Sample Resume for a Systems and Network Administrator

A Systems and Network Administrator's resume needs to convince a CIO or technical manager within seconds: this role is hired based on sharp technical skills and the ability to guarantee the availability, security, and performance of an infrastructure. Virtualization, identity management, backups, network monitoring, disaster recovery: recruiters look for concrete achievements, not just a list of technologies. This guide covers the expected structure, the must-have skills, and the common mistakes on an administrator's resume in 2026, in a field where openings are plentiful but truly operational candidates remain scarce.

The role at a glance: key responsibilities

  • Administer and maintain operational uptime for servers (Windows Server, Linux) and network equipment (switches, routers, firewalls)
  • Manage infrastructure virtualization (VMware vSphere, Hyper-V, Proxmox) and hybrid cloud environments (Azure, AWS)
  • Design and monitor the backup and disaster recovery plan (BC/DR), and test restoration procedures
  • Administer directory services and identity management: Active Directory, LDAP, GPOs, RBAC
  • Monitor availability and performance using monitoring tools (Zabbix, Nagios, PRTG, Grafana)
  • Secure the fleet (patch management, configuration hardening, vulnerability management, compliance with security standards)
  • Manage infrastructure evolution projects: cloud migration, hardware refresh, new architecture deployment
  • Document architectures, write operating procedures, and train Tier 1 support teams

The ideal resume structure

Title and summary

Clearly state "Systems and Network Administrator" followed by your seniority level if relevant (Senior, Experienced). Add a 2-3 line summary specifying your areas of focus (cloud, cybersecurity, virtualization), the size of the environments you manage (number of servers, sites, users), and a reliability indicator (uptime rate, scope managed).

Professional experience

For each role, give the technical context (number of servers, users, geographic sites, industry), then list 3 to 5 measurable achievements: successful migration, improved uptime, reduced incidents, deployments completed on tight deadlines. Mention key technologies so the ATS can pick them up.

Technical skills

Organize this section by category: systems, network, virtualization/cloud, security, scripting, monitoring tools. This is often the first section a CIO or technical recruiter scans: it must be thorough, readable, and accurately reflect your actual level with each tool.

Education and certifications

List your degree (associate's degree, bachelor's in IT, master's in networks/security, engineering school) and, above all, your certifications: Microsoft (MCSA, AZ-104, AZ-500), VMware (VCP), Cisco (CCNA, CCNP), Red Hat (RHCSA, RHCE). Cloud and security certifications are especially valued in 2026.

Personal projects and technology watch

A documented home lab, open source contributions, or active learning (blog, recent certifications) set proactive candidates apart. Specify the technologies you've explored outside of work: it reassures recruiters about your curiosity and ability to learn independently.

Key skills to highlight

Linux administration (RHEL, Debian, Ubuntu) and Windows Server (2016/2019/2022)Virtualization: VMware vSphere/ESXi, Hyper-V, ProxmoxHybrid cloud: Microsoft Azure, AWS (EC2, S3, IAM), Azure ADNetworking: TCP/IP, VLAN, BGP/OSPF, VPN (IPSec, SSL), SD-WANSecurity: firewalls (Fortinet, Palo Alto, pfSense), IDS/IPS, SIEMActive Directory, GPOs, PKI, identity management (IAM)Backup and disaster recovery: Veeam, Nakivo, CommvaultMonitoring: Zabbix, Nagios, PRTG, Grafana, PrometheusScripting and automation: PowerShell, Bash, Ansible, TerraformContainerization: Docker, Kubernetes (basics)Ticketing and ITSM: ServiceNow, GLPI, JiraTechnical documentation and CMDB management

Resume summary / title example

« Senior Systems and Network Administrator — 9 years of experience managing critical infrastructure (350 servers, 8 sites, 1,200 users). Specialized in VMware virtualization and Azure migration, I led a hybrid cloud transition for an industrial group (cutting infrastructure costs by 30%) and maintained 99.97% uptime over 3 years. AZ-104, VCP-DCV, and CCNA certified. »

Common mistakes to avoid

  • Listing technologies without specifying your proficiency level

    Distinguish what you administer daily in production from what you've merely experimented with. "VMware vSphere 7 administration in production (200 VMs)" is far more credible than "VMware" listed on its own.

  • Omitting the context and size of the environments managed

    Always specify: number of servers, users, sites, VMs. Administering 5 servers versus a 500-node, multi-site infrastructure represents a very different level of responsibility.

  • Neglecting the security and compliance dimension

    In 2026, every technical recruiter expects to see security awareness: patch management, hardening, access rights management. If you don't mention it, your application will look incomplete.

  • A resume too focused on support and not enough on projects

    Senior administrator roles expect proactivity: migrations, deployments, continuous improvement. Balance run tasks (maintenance, incidents) with build tasks (infrastructure projects, standardization).

Our tips for a standout resume

  1. Get certified: a recent Microsoft AZ-104, VMware VCP, or Cisco CCNA certification on your resume is often worth more than a long list of duties when it comes to passing the recruiter's first screening.
  2. Quantify your environments: always state the number of servers, users, sites, or VMs involved in your responsibilities to give a precise sense of the scale you managed.
  3. Show your ability to move toward the cloud: nearly every infrastructure is shifting to a hybrid model. Highlight any Azure, AWS, or GCP experience, even partial.
  4. Use an ATS-friendly layout: no complex tables, no multi-level columns, and clearly separated sections with standard headings that HR parsing tools recognize.
  5. Document your home lab or side projects: an administrator who experiments with Kubernetes, Ansible, or Proxmox in their free time sends a strong signal of passion and continuous learning.

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Frequently asked questions

Which certifications should I highlight on a Systems and Network Administrator resume in 2026?

Cloud certifications carry the most weight: Microsoft AZ-104 (Azure Administrator) and AZ-500 (Security), AWS Solutions Architect Associate, VMware VCP-DCV for virtualization, and Cisco CCNA/CCNP for network-focused profiles. A recent certification (under 3 years old) counts for more than an older, unrenewed one.

Should this resume be one page or two?

One page is enough for under 5 years of experience. Beyond that, two pages are accepted — even expected — as long as you fill them with concrete achievements and precise technical environments. Don't pad it with administrative details; condense your earliest roles.

How do I position a generalist profile against highly specialized candidates?

Versatility is a real asset at SMBs and mid-size companies, where the administrator often single-handedly manages systems, network, and security. Structure your resume by skill area and specify the context: one administrator managing an entire 300-user infrastructure demonstrates strong technical and organizational maturity.

What salary should I list or target on my resume/in interviews for this profile?

In France in 2026, an experienced administrator (5-8 years) can target €42,000 to €55,000 gross per year depending on region and industry, with a senior cloud/security specialist reaching €58,000 to €70,000. The Paris region and sectors like finance, healthcare, and defense generally pay above the median.

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