Network Administrator Resume Example and Writing Guide

A network administrator resume should identify the infrastructure you maintain and show how you change, troubleshoot, monitor, and document it. Connect each device or tool to work you actually performed. This example follows access-switch changes, wired connection failures, and configuration records in an office and warehouse setting.

Micah Sutton, the employers, college, and career history below are fictional. The sample includes an illustrative Cisco Certified Network Associate (CCNA) credential earned in June 2025 and assumed current at publication. Replace every detail with your own experience, dates, and verified credentials.

Describe the change and the checks around it

Micah's first bullet names Cisco Catalyst access ports and virtual local area network (VLAN) assignments. It explains why the work happens: desks and printers move, and their connections need approved changes. Saving the earlier configuration and documenting rollback steps show preparation. Checking addressing, gateway reachability, and application access shows what Micah verifies afterward.

Those details give “configured switches” a useful scope. The bullet does not establish that Micah designed the network, chose its segmentation policy, or configured every kind of switch connection. An access port serving a device is different from an uplink carrying traffic between switches. Use the terms that match your actual changes.

If you implemented an approved configuration, describe that contribution. If you also designed the change, assessed dependencies, or authorized the work, include those responsibilities only when they were yours. A resume can explain preparation and verification without reproducing an internal runbook or exposing production configurations.

Make troubleshooting follow the connection

“Fixed network issues” leaves the reader guessing where the investigation began and ended. Micah checks device addressing, Dynamic Host Configuration Protocol (DHCP) lease details, Domain Name System (DNS) lookups, and switch-port status. The bullet then names a specific correction: a confirmed mismatch in an access port's VLAN assignment. Retesting with the employee gives the work an observable end point.

Keep the distinction between diagnostics and administration clear. Checking a device's lease does not establish that you managed DHCP scopes. Running a DNS lookup does not establish that you administered DNS zones. Micah's skills list therefore says “DHCP and DNS diagnostics.” It makes a narrower, supported claim.

For your own bullet, select the checks that mattered to the problem. Do not add packet capture, wireless surveys, routing protocols, or firewall changes because they sound more technical. If you used a packet analyzer, explain what you examined and what the evidence supported. If a case remained unresolved, describe the evidence and next step rather than inventing a resolution.

Micah's earlier support role stops at cable and device checks before handing unresolved cases to the network team. The current role adds configuration responsibility. Keeping both titles and their dates shows that progression without describing all IT support time as network administration. The IT support example shows the earlier kind of responsibility in more detail.

Separate monitoring, backups, and recovery claims

Micah uses SolarWinds Network Performance Monitor to review link alerts, interface errors, and traffic trends. Comparing those observations with device counters and recent changes shows an investigation. A chart alone would not establish the cause of a failure, and passing recurring faults to a senior engineer does not mean Micah resolved them.

The backup bullet concerns switch configurations. It does not describe application data backups, a server recovery plan, or a successful network restoration. If you tested a restore, name the environment and what you verified. If you only checked scheduled exports, keep that narrower wording.

Network diagrams also need a defined contribution. After moves, Micah updates diagrams and port records with the switch interfaces, uplinks, and VLAN assignments, then records the changes and checks in a ticket. Maintaining that record supports future troubleshooting. It does not imply ownership of the original architecture.

You do not need to add “99.99% uptime” or an incident-reduction percentage to make these bullets useful. A verified change, investigated fault, or corrected record provides evidence. Include an availability figure only when you know the monitored service, reporting period, measurement method, and your contribution. Avoid attributing an entire team's availability result to one person's work. The resume bullet guide explains how to write from evidence when results were not measured.

Keep credentials and lab work in their own context

Micah completed an associate degree in May 2020, began paid support work that July, and moved into network administration in March 2023. The fictional CCNA was earned later, in June 2025. It supports the background without implying that certification was required before the current job began.

Use the credential's exact name and issuer, and verify its current status before applying. Exam preparation, a course completion certificate, and an earned CCNA credential are different records. Do not list a planned exam as an awarded certification. See the certifications guide for ways to label those situations.

If your strongest networking evidence comes from a lab, label it as a personal or course project. Describe the simulated topology, what you configured, a fault you investigated, and the verification you performed. Keep simulated devices separate from an employer's production network. A lab can demonstrate a method without becoming a claim that you supported live warehouse operations. The personal-projects guide covers placement and labeling.

Match the job posting's infrastructure and level

Read beyond the title. One network administrator posting may focus on switches and connectivity, while another combines servers, virtualization, firewalls, wireless systems, and cloud networking. Required credentials, on-call coverage, travel, and clearance conditions also vary by employer. Compare those requirements with your actual history before changing the summary or skills.

Micah's seven listed skills have support in the work bullets. The sample does not demonstrate dynamic routing, firewall policy administration, wireless design, cloud networking, scripting, or server administration. A CCNA does not turn those missing work examples into production experience. For a role requiring them, identify your real evidence or leave the requirement as a gap.

For a switch-focused posting, Micah could keep the port-change bullet first. For an operations role, monitoring and configuration records might deserve earlier placement. Preserve the same titles, dates, tools, and responsibility boundaries in either version.

The information security analyst example follows suspicious activity into investigation and responder handoffs. This page follows network connections into configuration and operational checks. Shared tools or log-reading skills do not make those work histories interchangeable.