Hubbry Logo
Network administratorNetwork administratorMain
Open search
Network administrator
Community hub
Network administrator
logo
7 pages, 0 posts
0 subscribers
Be the first to start a discussion here.
Be the first to start a discussion here.
Contribute something
Network administrator
Network administrator
Network administrator
View on Wikipedia
from Wikipedia

A network administrator is a person designated in an organization whose responsibility includes maintaining computer infrastructures with emphasis on local area networks (LANs) up to wide area networks (WANs). Responsibilities may vary between organizations, but installing new hardware, on-site servers, enforcing licensing agreements, software-network interactions as well as network integrity and resilience are some of the key areas of focus.

Duties

[edit]

The role of the network administrator can vary significantly depending on an organization's size, location, and socioeconomic considerations. Some organizations work on a user-to-technical support ratio,[1][2][3]

Network administrators are often involved in proactive work. This type of work will often include:[citation needed]

  • Designing network infrastructure
  • Implementing and configuring network hardware and software
  • Network monitoring and maintaining the network
  • Testing network for vulnerability & weakness
  • Providing technical support
  • Managing network resources
  • Managing network documentation
  • Managing vendor relationships
  • Staying up to date with new technologies and best practices
  • Providing training and guidance to other team members

Network administrators are responsible for making sure that computer hardware and network infrastructure related to an organization's data network are effectively maintained. In smaller organizations, they are typically involved in the procurement of new hardware, the rollout of new software, maintaining disk images for new computer installs, making sure that licenses are paid for and up to date for software that needs it, maintaining the standards for server installations and applications, monitoring the performance of the network, checking for security breaches, and poor data management practices. A common question for the small to medium-sized business (SMB) network administrator is, how much bandwidth do I need to run my business?[4] Typically, within a larger organization, these roles are split into multiple roles or functions across various divisions and are not actioned by the one individual. In other organizations, some of these roles mentioned are carried out by system administrators.

As with many technical roles, network administrator positions require a breadth of technical knowledge and the ability to learn the intricacies of new networking and server software packages quickly. Within smaller organizations, the more senior role of network engineer is sometimes attached to the responsibilities of the network administrator. It is common for smaller organizations to outsource this function.[5]

Occupational Outlook

[edit]

The U.S. Bureau of Labor Statistics (BLS) Occupational Outlook predicts a decline for Network Administrators of -4 percent from 2024 to 2034[6]

See also

[edit]

References

[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Network administrator

View on Grokipedia
from Grokipedia
A network administrator is an (IT) professional responsible for installing, configuring, maintaining, and securing an organization's computer networks, including local area networks (LANs), wide area networks (WANs), and related systems, to ensure reliable operation and connectivity for users and devices. These professionals play a critical role in supporting daily business operations by optimizing network performance, preventing downtime, and protecting against security threats such as unauthorized access or . Key responsibilities of a network administrator include assessing an organization's network needs, deploying hardware like routers and switches, and implementing software updates to enhance and compliance with policies. They troubleshoot connectivity issues, monitor network traffic for anomalies, and perform routine maintenance tasks such as data backups and to minimize disruptions. Additionally, network administrators manage user access controls, train end-users on network protocols, and collaborate with other IT teams to integrate new technologies, often working in environments like corporate offices, educational institutions, or government agencies. Essential skills for network administrators encompass strong technical knowledge of protocols like TCP/IP, routing, and switching, alongside proficiency in tools such as firewalls and intrusion detection systems. are equally vital, including analytical problem-solving to diagnose complex issues, effective communication for explaining technical concepts to non-experts, and multitasking in fast-paced settings where overtime may be required during upgrades or crises. Most positions require a in or a related field, though associate degrees or certifications (e.g., from or ) can suffice for entry-level roles, with ongoing training essential due to evolving technologies like . In the United States, network administrators earned a median annual wage of $96,800 as of 2024, with employment projected to decline by 4% from 2024 to 2034 due to and migration, though opportunities persist in high-demand areas like cybersecurity. Despite the outlook, the role remains foundational to modern IT infrastructure, adapting to trends such as and increased data volumes.

Overview

Definition and role

A network administrator is an IT professional responsible for planning, implementing, and maintaining computer networks, such as local area networks (LANs), wide area networks (WANs), and intranets, to support organizational operations. Their primary functions include configuring network hardware and software, monitoring to identify issues, and ensuring reliable connectivity and resource access for users across the organization. These efforts focus on the day-to-day management and maintenance of existing networks to optimize , , and availability. In the IT hierarchy, network administrators typically report to IT managers or chief information officers (CIOs), serving as the first line of support for networking needs within an organization. This role is distinct from that of a network engineer, who emphasizes designing and developing new network infrastructures, whereas administrators prioritize ongoing maintenance and operational reliability. It also differs from system administrators, who focus more on server management and broader system support rather than network-specific tasks like routing and switching. In smaller organizations, network administrators may take on additional responsibilities overlapping with these roles to cover comprehensive IT support. Network administrators operate in diverse organizational contexts, including corporate IT departments of financial institutions and firms, educational institutions, agencies, and healthcare providers, where they provision resources like bandwidth and transport channels to meet business demands.

Historical development

The role of the network administrator emerged in the 1970s alongside the development of foundational computer networks, particularly the , which was established in 1969 as the first operational packet-switched network by the U.S. Department of Defense's Advanced Research Projects Agency (). This system connected research institutions and required specialized personnel to oversee host-to-host communications, protocol implementation, and resource allocation using early standards like the Network Control Protocol (NCP). The 1980s saw further evolution with the advent of local area networks (LANs), amplifying the need for dedicated administration to manage physical cabling, device connectivity, and basic troubleshooting. A landmark innovation was , a collision-detection-based LAN technology jointly developed by , , and (DEC), culminating in the Ethernet specification released in for 10 Mbps operation over . This standard enabled scalable, shared-medium networking in organizational settings, tasking administrators with configuring hubs, , and initial traffic control to support emerging . The 1990s witnessed explosive growth in the network administrator profession, fueled by the 's commercialization and the widespread adoption of TCP/IP as the de facto protocol suite. The (IP), formalized in RFC 791 in 1981, established core mechanisms for datagram routing and addressing across heterogeneous networks, laying the groundwork for global interconnectivity. By the early , the internet had expanded to encompass over 5,000 networks, compelling administrators to handle , IP allocation, router configurations, and the integration of diverse systems amid surging traffic volumes. The 2000s introduced transformative shifts through and , expanding the scope of network administration to encompass distributed and hybrid architectures. Amazon Web Services (AWS) pioneered public cloud infrastructure with its 2006 launch of Simple Storage Service (S3) for scalable and Elastic Compute Cloud (EC2) for virtual servers, enabling organizations to migrate workloads off-premises while retaining control over network overlays. Administrators adapted by managing virtual private clouds (VPCs), load balancers, and interconnects between legacy LANs and remote data centers, prioritizing scalability and reduced hardware dependency. From the 2010s onward, Software-Defined Networking (SDN) and automation have redefined the role, emphasizing programmable control to minimize manual interventions in increasingly complex environments. SDN originated around 2010 as a paradigm decoupling the network's control plane from its data forwarding hardware, allowing centralized orchestration via APIs and controllers like OpenFlow. This approach, integrated into platforms such as OpenStack by 2016, empowers administrators to automate provisioning, traffic engineering, and fault recovery, fostering agility in cloud-native and multi-tenant setups while addressing the demands of 5G and IoT proliferation.

Responsibilities

Core duties

Network administrators are responsible for the day-to-day setup and of computer networks, ensuring reliable operation and for users within an . Their core duties revolve around hands-on configuration, ongoing , and immediate issue resolution to maintain seamless network functionality. These tasks form the backbone of routine network operations, focusing on hardware and software integration, oversight, and user facilitation without delving into specialized protective measures. A primary duty involves installing and configuring network devices, including routers, switches, firewalls, and cabling infrastructure for local area networks (LANs) and wide area networks (WANs). This process entails assessing organizational needs, procuring appropriate hardware and software, and setting up operating systems, servers, and applications to align with connectivity requirements. For instance, administrators deploy these components to establish secure and efficient data pathways, often integrating them into existing systems to support business operations. Monitoring is another essential task, where administrators track key metrics such as bandwidth utilization and latency to identify bottlenecks or inefficiencies. Using automated tools, they evaluate system health in real-time, optimizing configurations to enhance connection speeds and overall throughput. This proactive surveillance helps prevent disruptions by alerting to potential issues before they impact users. Troubleshooting connectivity issues forms a critical part of daily responsibilities, involving the diagnosis and resolution of problems reported by users or detected through monitoring. Administrators employ diagnostic commands like ping to test between devices and to map packet paths and pinpoint failures along the route. These tools enable quick identification of faults, such as misconfigurations or hardware malfunctions, allowing for swift repairs to restore service. In supporting users, network administrators manage access permissions and handle IP address assignments, often via the (DHCP). They add new users to the , assign security levels, and configure DHCP servers to dynamically allocate IP addresses from a predefined pool, ensuring devices receive necessary network configurations automatically. This user-centric support includes training on usage and providing technical assistance for routine connectivity needs. Finally, administrators oversee backup and recovery procedures for network configurations to safeguard against data loss or system failures. This involves scheduling regular backups of critical settings, servers, and email systems, as well as testing recovery processes to ensure quick restoration if needed. These steps maintain operational continuity by preserving essential network data and setups.

Security and maintenance tasks

Network administrators play a critical role in safeguarding network infrastructure against evolving cyber threats by implementing robust security measures. One primary responsibility involves deploying firewalls to monitor and control incoming and outgoing network traffic based on predetermined security rules, thereby blocking unauthorized access attempts. Virtual Private Networks (VPNs) are also configured to enable secure remote access, encrypting data transmissions over public networks to protect sensitive information from interception. Additionally, intrusion detection systems (IDS) are installed and maintained to actively scan for suspicious patterns of traffic, alerting administrators to potential breaches in real-time for swift mitigation. To maintain network integrity, administrators conduct regular vulnerability assessments using tools that identify weaknesses in software, hardware, and configurations, followed by the timely application of security patches. These assessments often reference the database, a centralized repository maintained by , to prioritize updates for known exploits affecting network components. Patch management processes ensure that firmware and operating systems are updated to address identified vulnerabilities, reducing the and preventing exploitation by or . Ongoing maintenance tasks are essential for network reliability and performance. Firmware upgrades on routers, switches, and access points are performed periodically to incorporate security enhancements and fix bugs, often scheduled during low-traffic periods to minimize disruptions. (QoS) optimization is another key activity, where administrators configure policies to prioritize critical traffic—such as voice or video streams—over less urgent data, ensuring efficient bandwidth allocation and reducing latency in enterprise environments. Disaster recovery planning forms a cornerstone of maintenance efforts, involving the design and testing of strategies to restore network operations after failures. This includes implementing redundancy mechanisms like Redundant Array of Independent Disks () for to prevent loss from hardware failures, and systems that automatically switch to servers or links during outages. Administrators develop and periodically update recovery plans, conducting drills to validate procedures and ensure minimal , often aligning with business continuity requirements. Ensuring compliance with regulatory standards is integral to security and maintenance, particularly in handling sensitive data. Network administrators configure access controls and encryption protocols to meet requirements under the General Data Protection Regulation (GDPR) in the , which mandates protection of across networked systems. Similarly, for healthcare networks, adherence to the Health Insurance Portability and Accountability Act (HIPAA) involves securing electronic (ePHI) through audit logs, secure transmission, and regular risk assessments. Non-compliance can result in severe penalties, underscoring the need for ongoing audits and policy enforcement.

Required skills and qualifications

Technical skills

Network administrators require proficiency in core networking protocols, particularly the TCP/IP suite, which enables reliable data transmission across interconnected systems by defining rules for addressing, routing, and packet delivery. This suite operates through four layers—link, internet, transport, and application—facilitating end-to-end communication in modern networks. Complementing TCP/IP, administrators must understand the , a conceptual seven-layer framework developed by the to standardize network functions and troubleshoot issues systematically. The OSI layers include:
  • Physical layer (Layer 1): Responsible for the transmission and reception of unstructured raw data bits over a physical medium, such as cables or signals.
  • Data Link layer (Layer 2): Provides node-to-node data transfer, error detection, and MAC addressing to ensure reliable frame delivery within a single .
  • Network layer (Layer 3): Handles logical addressing (e.g., IP addresses) and routing to forward packets across multiple networks.
  • Transport layer (Layer 4): Ensures end-to-end data delivery, error recovery, and flow control using protocols like TCP for reliable transmission or UDP for faster, connectionless service.
  • Session layer (Layer 5): Manages setup, coordination, and termination of communication sessions between applications.
  • Presentation layer (Layer 6): Translates data between application formats and the network, handling , compression, and syntax conversion.
  • Application layer (Layer 7): Interfaces directly with end-user applications, providing network services like and .
Effective (CLI) skills are essential for configuring and monitoring network devices. Administrators commonly use CLI, which supports modes like user EXEC for basic monitoring and privileged EXEC for advanced configuration, allowing commands such as "show interfaces" to display status or "configure terminal" to enter setup mode. On systems, while legacy tools like and may still be available in some distributions, the recommended modern equivalents from the suite are used for configuring and monitoring. For example, the ip command configures and displays network interfaces (e.g., assigning an via "ip addr add 192.168.1.1/24 dev eth0" and viewing with "ip addr show"), and provides statistics on active connections and routing (e.g., "ss -r" for routes). These commands enable rapid diagnostics and adjustments without graphical interfaces. Knowledge of cabling standards ensures reliable physical connectivity, with Category 6 (Cat6) twisted-pair cabling supporting Ethernet up to 10 Gbps over 55 meters, as defined in the ANSI/TIA-568-C.2 standard for horizontal cabling in commercial buildings. For wireless networks, administrators must understand (IEEE 802.11ax), which operates in the 2.4 GHz and 5 GHz bands, with Wi-Fi 6E extending support to the 6 GHz band, delivering up to 9.6 Gbps throughput through features like orthogonal frequency-division multiple-access (OFDMA) for efficient multi-device handling. Basic scripting skills automate routine tasks, such as using Bash for Linux-based — for instance, a script to ping multiple hosts and log results (e.g., #!/bin/bash\nfor ip in 192.168.1.{1..10}; do ping -c1 $ip && echo "$ip is up" || echo "$ip is down"; done). Similarly, Python scripting facilitates cross-platform automation, like using the Netmiko library to connect to devices and execute commands (e.g., from netmiko import ConnectHandler\n device = ConnectHandler(device_type='cisco_ios', ip='192.168.1.1', username='admin', password='pass')\n output = device.send_command('show ip interface brief')). Administrators need a solid grasp of subnetting and (CIDR) notation to optimize allocation and routing. Subnetting divides a large network into smaller subnetworks by borrowing bits from the host portion of an , as in a /24 subnet mask (255.255.255.0) that yields 256 addresses (254 usable hosts) from the third octet. CIDR notation, such as 192.168.1.0/24, specifies the network prefix length to enable variable-length subnet masking, reducing sizes and conserving IPv4 addresses.

Education and certifications

Network administrators typically hold a in , , or a related field to enter the profession, as this provides foundational knowledge in networking, , and problem-solving. Entry-level positions may accept an associate's degree in network administration or a similar program, which covers essential topics like hardware configuration and basic . Key certifications validate core competencies and are often required by employers. The CompTIA Network+ certification establishes foundational skills in troubleshooting, configuring, and managing networks, serving as an entry-level credential for IT infrastructure roles. Cisco's Certified Network Associate (CCNA), particularly the 200-301 exam version introduced in 2020 and updated to v1.1, focuses on implementing and administering Cisco solutions, including routing, switching, and network fundamentals. For advanced enterprise networking, the Cisco Certified Network Professional (CCNP) Enterprise certification requires passing a core exam on enterprise infrastructure and a concentration exam, demonstrating expertise in complex network design and optimization. Professionals emphasizing security may pursue the Certified Information Systems Security Professional (CISSP) certification, which requires at least five years of cumulative experience in at least two of its eight domains and covers cybersecurity management relevant to network protection. Vendor-specific options, such as Juniper's Associate (JNCIA-Junos) certification, target beginner-to-intermediate knowledge of for configuring and troubleshooting Juniper devices. Online platforms like offer accessible training paths, including courses on network fundamentals and administration from providers such as and , often leading to certificates that complement formal education. Due to rapid technological advancements in networking, continuous learning is essential, with most certifications requiring recertification every three years through credits. CompTIA Network+ renewal involves earning continuing education units (CEUs) via approved training or higher education courses. Cisco's program allows recertification by completing qualifying activities, such as training sessions or passing related exams, to maintain skills in evolving areas like and security.

Tools and technologies

Hardware and software tools

Network administrators rely on a variety of hardware devices to build, maintain, and troubleshoot network infrastructure. Routers, such as the Cisco 1000 Series Integrated Services Routers (ISR), serve as core components for directing traffic between networks, providing integrated services like security and WAN connectivity in branch offices. Switches form the backbone for local connectivity, with managed switches enabling administrators to implement features like segmentation and (QoS) prioritization, whereas unmanaged switches offer simple, plug-and-play connectivity without configuration options. Wireless access points, exemplified by Catalyst 9100 series models, extend coverage and support secure client connections in enterprise environments. For physical layer diagnostics, administrators use specialized hardware to identify and resolve cabling issues that can disrupt connectivity. Cable testers, such as Fluke Networks' LinkIQ Cable+ Network Tester, verify wire mapping, length, and faults in Ethernet cables like Cat5e or Cat6, ensuring compliance with installation standards. Multimeters help detect electrical problems, such as voltage drops or continuity failures in twisted-pair wiring, which are common causes of physical layer errors in Ethernet networks. Integrated systems like unified threat management (UTM) appliances, such as those from , combine firewall, antivirus, and intrusion prevention functionalities into a single device to streamline security management and protect against multiple threats at the network perimeter. Software tools complement hardware by enabling monitoring, analysis, and automation of network operations. , an open-source , allows administrators to capture and inspect network traffic in real-time, facilitating detailed troubleshooting of protocol issues and performance bottlenecks. Network Performance Monitor provides comprehensive tracking of device health, bandwidth usage, and latency, helping to proactively identify and resolve performance degradations across the network. For configuration management, tools like automate repetitive tasks such as device provisioning and compliance checks, reducing manual errors in multi-vendor environments. SNMP-based managers, which leverage protocols for device polling, integrate with these tools to collect metrics on uptime and resource utilization from network elements.

Network management protocols

Network management protocols provide standardized mechanisms for administrators to monitor, configure, and maintain network devices and traffic flows. These protocols enable communication between management systems and network elements, facilitating tasks such as fault detection, performance monitoring, and configuration changes across diverse infrastructures. By adhering to open standards where possible, they ensure among multivendor environments, reducing complexity in large-scale deployments. The (SNMP) is a foundational application-layer protocol used for collecting and organizing information about managed devices on IP networks, including routers, switches, and servers. Defined initially in SNMP (SNMPv1) by RFC 1157, it allows managers to query agents on devices for management data via polling and receive asynchronous notifications known as traps for events like errors or threshold breaches. SNMP version 2 (SNMPv2) introduced enhancements such as bulk data retrieval and improved error handling, as outlined in RFC 1901, which serves as the community-based administrative framework for the protocol. SNMP version 3 (SNMPv3) added robust features, including and through the User-based Security Model (USM), as specified in RFC 3414, addressing vulnerabilities in earlier versions and enabling secure remote management. Overall, SNMP operates over UDP and relies on a (MIB) to structure data, making it essential for proactive and fault management. NetFlow and its standardized successor, IPFIX (IP Flow Information Export), are protocols designed for exporting network traffic flow data to enable analysis, accounting, and . , originally developed by , captures metadata about IP traffic conversations, such as source and destination addresses, ports, and byte counts, without inspecting packet payloads, as detailed in its version 9 specification in RFC 3954. extends into an IETF standard, providing a flexible template-based format for flow records and supporting bidirectional flows, as defined in RFC 7011, which allows for customizable information elements to suit diverse traffic monitoring needs. These protocols are typically implemented on routers or switches, where they sample and aggregate traffic statistics for export to collectors, aiding administrators in bandwidth optimization, usage billing, and forensics. Routing protocols like (BGP) and (OSPF) are critical for dynamic path selection and scalability in network administration. BGP, specified in RFC 4271 as version 4 (BGP-4), serves as the de facto for inter-autonomous system routing on the , exchanging reachability information and policy attributes to handle large-scale, policy-driven decisions across global networks. In contrast, OSPF, a link-state detailed in RFC 2328 for version 2 (OSPFv2), operates within a single autonomous system to compute shortest paths using , supporting fast convergence and hierarchical area designs for efficient internal management. Administrators use these protocols to ensure reliable connectivity, with BGP emphasizing external peering stability and OSPF focusing on intra-domain topology awareness. For local network discovery, protocols such as (LLDP) and (CDP) enable devices to advertise their identity and capabilities to neighbors. LLDP, standardized by IEEE 802.1AB, is a vendor-neutral Layer 2 protocol that periodically sends Type-Length-Value (TLV) advertisements containing details like name, port description, and IP , facilitating mapping in Ethernet-based LANs. CDP, a Cisco alternative, performs similar functions but is limited to Cisco devices, exchanging information on hardware platforms, software versions, and interface details via messages, as described in Cisco's official configuration . Both protocols aid in automated inventory, cable , and integration with systems without requiring IP-layer configuration. In modern software-defined networking (SDN) environments, network management increasingly integrates traditional protocols with RESTful APIs for programmatic control and automation. SDN controllers, such as those based on OpenDaylight, expose RESTCONF interfaces—defined in RFC 8040 as an HTTP-based protocol leveraging data models—to allow administrators to query, configure, and monitor network states via standardized endpoints, bridging legacy protocols like SNMP with cloud-native orchestration. This API-driven approach enhances by decoupling control from data planes, enabling dynamic policy enforcement and integration with higher-level applications. These protocols are commonly implemented in network management tools for comprehensive oversight.

Career aspects

Job market and salary

The demand for network administrators remains robust globally, driven by ongoing initiatives, the expansion of , and heightened cybersecurity needs across industries. Organizations worldwide are investing heavily in network infrastructure to support , data analytics, and IoT integration, creating sustained opportunities despite automation pressures. In the United States, however, the projects a 4% decline in employment for network and computer systems administrators from to 2034, slower than the average for all occupations, due to efficiencies from cloud services and ; nonetheless, about 14,300 openings are expected annually from retirements and replacements. This projected decline is balanced by the resistance of the role to full AI automation, as human administrators remain essential for integrating AI tools with existing systems, managing security, troubleshooting complex failures, and handling physical and virtual configurations. Network administrators find primarily in sectors such as IT services, which accounts for a significant portion of roles, alongside , healthcare, , and . For instance, financial institutions rely on administrators for secure transaction networks, while healthcare organizations prioritize compliance with data protection standards like HIPAA. Post-2020, remote and hybrid work arrangements have proliferated, with numerous job postings offering flexible setups to accommodate distributed teams and global operations. In the United States, the annual for network and computer systems administrators was $96,800 as of May 2024, reflecting competitive compensation for maintaining . Entry-level positions typically start around $76,000 annually for those with 0-1 year of experience, while senior roles can exceed $120,000, often reaching $123,000 to $194,000 with 10+ years. Salaries vary significantly by location, with higher earnings in tech hubs like , where the mean annual wage in the San Jose-Sunnyvale-Santa Clara metropolitan area was $139,670 as of May 2023 due to cost-of-living adjustments and demand from innovation-driven firms. Key factors influencing compensation include professional certifications such as Network+ or , which can boost earnings by 10-20%; company size, with larger enterprises offering premiums for expertise; and specialization in areas like cybersecurity, where roles command 15-30% higher pay due to demands. Recent hiring trends emphasize proficiency, particularly in hybrid environments, as organizations migrate to multi-cloud setups; surveys indicate that over two-thirds of IT roles now require such skills to handle integration and security challenges.

Professional development

Network administrators typically begin their careers in entry-level roles such as network technicians, progressing to junior network administrator positions where they handle basic configuration and tasks. With accumulated experience, they advance to mid-level network administrator roles, often after 3-5 years, taking on responsibilities like network optimization and team coordination. Further progression leads to senior positions, such as senior network administrator or network architect, involving and oversight of complex infrastructures, or into management roles like network manager or IT director. Ongoing is essential for network administrators to stay current with evolving technologies and advance in their careers. opportunities include attending workshops and conferences, such as Cisco Live, which offers hands-on sessions and earns continuing education credits for certifications. 's broader training programs provide flexible options like self-paced courses and instructor-led workshops focused on advanced networking topics. Additionally, pursuing advanced degrees, such as a in Cybersecurity and Network Administration, equips professionals with deeper knowledge in protocols and . Specialization paths allow network administrators to focus on high-demand areas, enhancing their expertise and career prospects. In cloud networking, obtaining the AWS Certified Advanced Networking – Specialty certification validates skills in designing and implementing complex AWS network architectures, requiring at least five years of hands-on experience. To pursue a career in cloud networking without deep DevOps involvement, professionals can target infrastructure-focused roles in enterprises that emphasize reliable, secure connectivity; master cloud provider innovations and the infrastructure side; gain basic container awareness for collaboration; and filter job descriptions mentioning EKS/AKS/GKE networking, service meshes, or CNI plugins to avoid mismatched roles. For IoT management, certifications like ISACA's IoT Fundamentals Certificate cover key principles, models, and security considerations for integrating IoT devices into enterprise networks. Professional networking plays a crucial role in career growth, providing and job opportunities. Joining organizations like offers access to mentorship programs that connect members across career stages for guidance in IT governance and security. Similarly, IEEE provides networking and mentorship initiatives through its societies, such as the IEEE Communications Society, fostering connections for knowledge sharing and professional leads in networking fields. Advancement in network administration is often measured by key performance indicators related to and . Metrics such as mean time to resolve (MTTR) incidents evaluate proficiency in handling network disruptions quickly and effectively. Leadership in projects, including the number of successful network migrations or upgrades completed, demonstrates the ability to lead teams and deliver scalable solutions.

Common challenges

Network administrators frequently encounter scalability issues when managing growing volumes in large-scale networks, where expanding must be achieved without causing to maintain continuous service availability. This challenge arises from the rapid increase in data demands driven by adoption and IoT proliferation, requiring administrators to implement modular designs and load-balancing techniques to handle surges effectively. Cybersecurity threats pose significant hurdles, particularly in responding to distributed denial-of-service (DDoS) attacks and incidents that can overwhelm network resources and encrypt critical data. DDoS attacks challenge administrators by flooding systems with malicious traffic, complicating real-time detection and mitigation to prevent service disruptions. Ransomware responses demand swift isolation of affected segments while minimizing data loss, with the average cost of such incidents reaching $4.54 million in 2023 due to recovery efforts, lost productivity, and regulatory fines. Budget constraints often force network administrators to balance cost-effective upgrades against the need for sustained , as limited funding restricts investments in advanced hardware or software while demands for reliability persist. Administrators must prioritize essential enhancements, such as bandwidth optimization, over comprehensive overhauls to avoid degradation without exceeding financial limits. Vendor presents ongoing challenges in multi-vendor environments, where reliance on proprietary technologies from a single provider leads to compatibility issues and hinders seamless integration of diverse equipment. This dependency increases operational , as administrators navigate problems that can result in higher costs and reduced flexibility in network expansions. Maintaining work-life balance is difficult due to on-call duties required for 24/7 network availability, which often lead to irregular hours and constant alertness for potential outages. These demands contribute to elevated burnout rates in the IT sector, with 57% of tech workers reporting burnout in 2024 surveys, exacerbated by the pressure of immediate issue resolution. The role of network administrators is evolving with the adoption of zero-trust , a cybersecurity model that gained significant emphasis after 2020 through frameworks like NIST SP 800-207, which outlines principles for continuous verification to mitigate data breaches in enterprise environments. This shift requires administrators to implement granular access controls and real-time monitoring, moving away from perimeter-based to protect resources regardless of location. As organizations integrate hybrid and infrastructures, zero-trust adoption has become a standard practice, with NIST providing updated guidance in 2025 on deploying 19 example architectures using commercial technologies. Artificial intelligence (AI) and (ML) are being integrated into for , particularly through systems that analyze traffic patterns to foresee failures. These tools enable administrators to proactively address issues, reducing unplanned by 30% to 50% according to industry analyses, while also extending equipment lifespan by 20% to 40%. For instance, AI-driven platforms monitor network infrastructure in real time, flagging deviations that could lead to outages and automating responses to maintain performance. This integration not only enhances reliability but also optimizes resource allocation in complex, data-intensive environments. Despite these advancements, the network administrator role demonstrates resistance to full AI automation. While AI optimizes network operations and automates routine tasks, human administrators remain essential for integrating AI tools with legacy systems, managing evolving security threats, troubleshooting complex and unpredictable failures, and handling configurations in both physical and virtual environments. According to the U.S. Bureau of Labor Statistics, employment for network and computer systems administrators is projected to decline by 4% from 2024 to 2034, yet approximately 14,300 annual job openings will arise due to retirements and occupational transfers, underscoring ongoing demand for skilled professionals. CompTIA's IT Industry Outlook 2024 reports that AI adoption in managed service providers is expected to maintain or increase staffing levels, emphasizing the need for human upskilling in AI oversight. Gartner notes that network personnel often require validation of AI-recommended remediation actions due to risk aversion and trust issues, preserving the human role in decision-making. Cisco highlights the necessity of human expertise in mastering AI Operations (AIOps) for designing resilient networks and implementing advanced infrastructure. The proliferation of combined with networks is transforming how administrators manage distributed systems, especially for (IoT) deployments that demand low-latency processing. In 2025, the number of connected IoT devices reached approximately 21 billion worldwide, necessitating scalable architectures that process data closer to the source to support real-time applications in industries like and healthcare. Administrators must now oversee hybrid edge-cloud setups, ensuring secure data flows across -enabled networks while addressing challenges like and bandwidth constraints. This trend is driving the market toward a value of USD 186.6 billion by 2035, underscoring its impact on IoT . Automation is advancing through intent-based networking (IBN), which allows administrators to define high-level business policies that are automatically translated into device configurations. Platforms like Cisco DNA Center exemplify this by using AI to monitor network health, provision resources, and remediate issues without manual intervention, reducing configuration errors and deployment times. IBN ensures ongoing alignment between network operations and organizational goals, with continuous assurance mechanisms verifying policy enforcement across wired, wireless, and SD-WAN environments. As a result, administrators shift focus from routine tasks to strategic oversight, enhancing agility in dynamic infrastructures. Sustainability has emerged as a key priority, with network administrators implementing energy-efficient practices to lower the of data centers, which consume vast amounts of globally. Strategies include optimizing protocols to minimize power usage, adopting low-energy hardware, and integrating sources like solar and to power facilities. For example, green data centers leverage and cooling innovations to reduce emissions by up to 50%, aligning with broader goals to achieve net-zero operations. This focus not only complies with regulatory pressures but also supports cost savings through efficient resource management in high-density networking environments.

References

  1. https://www.bls.gov/ooh/computer-and-information-technology/network-and-computer-systems-administrators.htm
  2. https://www.cisco.com/site/us/en/learn/training-certifications/tech-roles/network-administrator.html
  3. https://cybersecurityguide.org/careers/network-administrator/
  4. https://www.comptia.org/en-us/blog/your-next-move-network-administrator/
  5. https://www.comptia.org/en-us/blog/the-changing-role-of-network-administration/
  6. https://www.comptia.org/en-us/blog/network-administrator-vs-network-engineer-key-differences-and-similarities/
  7. https://www.dice.com/hiring/recruitment/network-administrator
  8. https://www.ibm.com/think/topics/network-management
  9. https://www.techtarget.com/searchnetworking/definition/ARPANET
  10. https://www.internetsociety.org/internet/history-internet/brief-history-internet/
  11. https://timeline.intel.com/1980/the-ethernet-standard
  12. https://historyofcomputercommunications.info/section/11.3/DIX-%28Digital-Equipment-Corporation%2C-Intel%2C-and-Xerox%29-1979-1980/
  13. https://datatracker.ietf.org/doc/html/rfc791
  14. https://www.internetsociety.org/internet/history-internet/brief-history-internet-related-networks/
  15. http://www.sci.brooklyn.cuny.edu/~parsons/courses/3120-fall-2012/notes/tcp-ip-notes.pdf
  16. https://digitalcloud.training/a-brief-history-of-aws-and-how-computing-has-changed/
  17. https://www.dataversity.net/articles/brief-history-cloud-computing/
  18. https://www.e-spincorp.com/software-defined-networking-the-evolution-of-sdn/
  19. https://www.redhat.com/en/blog/evolution-software-defined-networking
  20. https://queue.acm.org/detail.cfm?id=2560327
  21. https://www.comptia.org/en-us/blog/how-to-become-a-network-administrator/
  22. https://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-software-releases-121-mainline/12778-ping-traceroute.html
  23. https://www.comptia.org/en-us/blog/what-is-dhcp-dynamic-host-configuration-protocol/
  24. https://www.techtarget.com/searchnetworking/definition/TCP-IP
  25. https://aws.amazon.com/what-is/osi-model/
  26. https://phoenixnap.com/kb/linux-network-commands
  27. https://www.redhat.com/en/blog/deprecated-linux-command-replacements
  28. https://www.redhat.com/en/blog/7-great-network-commands
  29. https://www.cablestogo.com/learning/library/standards-specs-certs/ansi-tia
  30. https://www.intel.com/content/www/us/en/products/docs/wireless/wi-fi-6e.html
  31. https://www.digitalocean.com/community/tutorials/understanding-ip-addresses-subnets-and-cidr-notation-for-networking
  32. https://docs.netgate.com/pfsense/en/latest/network/cidr.html
  33. https://www.wgu.edu/career-guide/information-technology/network-admin-career.html
  34. https://www.comptia.org/en-us/certifications/network/
  35. https://www.cisco.com/site/us/en/learn/training-certifications/exams/ccna.html
  36. https://www.cisco.com/site/us/en/learn/training-certifications/certifications/enterprise/ccnp-enterprise/index.html
  37. https://www.isc2.org/certifications/cissp
  38. https://www.juniper.net/us/en/training/certification/tracks/junos/jncia-junos.html
  39. https://www.coursera.org/courses?query=network%2520administration
  40. https://www.comptia.org/en-us/resources/ce/choose/renewing-with-multiple-activities/training-and-higher-education/network-educational-units/
  41. https://www.cisco.com/site/us/en/learn/training-certifications/certifications/continuing-education/index.html
  42. https://www.cisco.com/site/us/en/products/networking/sdwan-routers/1000-series-integrated-services-routers-isr/index.html
  43. https://www.cisco.com/site/us/en/learn/topics/networking/what-is-a-managed-switch.html
  44. https://www.cisco.com/site/us/en/products/networking/wireless/access-points/index.html
  45. https://www.flukenetworks.com/products/installation-and-test/copper-cable-testers-and-tone-generators
  46. https://www.flukenetworks.com/blog/cabling-chronicles/network-and-cable-testing
  47. https://www.fortinet.com/resources/cyberglossary/unified-threat-management
  48. https://www.wireshark.org/
  49. https://www.solarwinds.com/network-performance-monitor
  50. https://docs.ansible.com/ansible/latest/network/index.html
  51. https://www.datadoghq.com/knowledge-center/network-monitoring/snmp-monitoring/
  52. https://datatracker.ietf.org/doc/html/rfc1157
  53. https://datatracker.ietf.org/doc/html/rfc1901
  54. https://datatracker.ietf.org/doc/html/rfc3414
  55. https://datatracker.ietf.org/doc/html/rfc3954
  56. https://datatracker.ietf.org/doc/html/rfc7011
  57. https://datatracker.ietf.org/doc/html/rfc4271
  58. https://datatracker.ietf.org/doc/html/rfc2328
  59. https://standards.ieee.org/ieee/802.1AB/6047/
  60. https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/cdp/configuration/15-mt/cdp-15-mt-book/nm-cdp-discover.html
  61. https://datatracker.ietf.org/doc/html/rfc8040
  62. https://aolbrampton.ca/growing-demand-network-administrators/
  63. https://mckelveyconnect.washu.edu/blog/2025/09/11/how-network-automation-is-reshaping-career-paths-in-engineering-and-it/
  64. https://www.indeed.com/career-advice/finding-a-job/computer-networking-degree-jobs
  65. https://www.indeed.com/q-network-administrator-hybrid-jobs.html
  66. https://www.coursera.org/articles/network-administrator-salary
  67. https://www.glassdoor.com/Salaries/senior-network-administrator-salary-SRCH_KO0%2C28.htm
  68. https://www.bls.gov/oes/2023/may/oes_41940.htm
  69. https://trainingcamp.com/articles/comptia-network-certification-a-2025-salary-analysis/
  70. https://www.netcomlearning.com/blog/network-administrator-salary
  71. https://www.eccouncil.org/cybersecurity-salary/
  72. https://www.techtarget.com/searchnetworking/feature/Networking-pros-face-strong-job-market-greater-demands
  73. https://www.ekascloud.com/our-blog/cloud-skills-in-demand-for-2025/3416
  74. https://onlinedegrees.sandiego.edu/it-career-paths/
  75. https://www.cbtnuggets.com/how-to-become/network-administrator-career
  76. https://www.dice.com/career-advice/network-engineer-career-path-what-you-need-to-know
  77. https://www.ciscolive.com/global/learn.html
  78. https://gst.touro.edu/academics/network-administration-and-security/index.php
  79. https://aws.amazon.com/certification/certified-advanced-networking-specialty/
  80. https://tutorialsdojo.com/cloud-careers-without-code-how-non-coders-can-thrive-in-the-cloud-computing-industry/
  81. https://trendnologies.com/cloud-computing-vs-devops-which-career-path-should-you-choose/
  82. https://www.isaca.org/credentialing/iot-fundamentals-certificate
  83. https://www.isaca.org/isaca-engage/isaca-mentorship-pilot-program
  84. https://www.linkedin.com/learning/topics/network-administration
  85. https://www.atlassian.com/incident-management/kpis
  86. https://www.linkedin.com/advice/1/heres-how-you-can-effectively-measure-success-wtgre
  87. https://stars.library.ucf.edu/cgi/viewcontent.cgi?article=7452&context=etd
  88. https://ww2.jacksonms.gov/libweb/VhKSXs/8OK148/ThePracticeOfSystemAndNetworkAdministration.pdf
  89. https://www.cisa.gov/resources-tools/resources/understanding-and-responding-distributed-denial-service-attacks
  90. https://www.upguard.com/blog/cost-of-data-breach
  91. https://www.cisco.com/c/en/us/support/docs/availability/high-availability/15115-perfmgmt.html
  92. https://www.cisco.com/c/en/us/solutions/collateral/full-stack-observability/service-provider-network-wp.html
  93. https://www.bitsight.com/blog/5-shocking-it-cybersecurity-burnout-statistics
  94. https://nvlpubs.nist.gov/nistpubs/specialpublications/NIST.SP.800-207.pdf
  95. https://csrc.nist.gov/pubs/sp/800/207/final
  96. https://www.nist.gov/news-events/news/2025/06/nist-offers-19-ways-build-zero-trust-architectures
  97. https://www.turn-keytechnologies.com/blog/ai-in-predictive-maintenance-for-network-systems
  98. https://kanerika.com/blogs/ai-in-predictive-maintenance/
  99. https://aws.amazon.com/marketplace/pp/prodview-il4znluidpzzi
  100. https://www.comptia.org/en-us/resources/research/it-industry-outlook-2024/
  101. https://www.gartner.com/en/documents/4356899
  102. https://blogs.cisco.com/learning/future-proof-your-networking-career-mastering-aiops-with-cisco
  103. https://www.ibm.com/think/topics/iot-edge-computing
  104. https://iot-analytics.com/number-connected-iot-devices/
  105. https://www.1global.com/blog/iot/5-iot-predictions-5-years
  106. https://www.factmr.com/report/5g-edge-computing-market
  107. https://www.cisco.com/site/us/en/solutions/intent-based-networking/index.html
  108. https://www.netcomlearning.com/blog/cisco-dna-center
  109. https://www.cisco.com/c/en/us/solutions/collateral/internet-of-things/nb-09-intent-based-iot-wp-cte-en.html
  110. https://datacenters.google/operating-sustainably
  111. https://www.parkplacetechnologies.com/blog/how-to-make-data-centers-more-sustainable-tips-best-practices/
  112. https://www.ibm.com/think/topics/green-data-center
  113. https://cwnow.com/blog/sustainable-data-center-reduce-its-carbon-footprint/
Add your contribution
Related Hubs
Contribute something
User Avatar
No comments yet.