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Information Technology

Systems Administrator Resume Example

A systems administrator resume needs ATS-recognized keywords for server platforms and virtualization tools while proving reliability through uptime, patching, and cost-saving metrics.

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Systems Administrator Resume Sample

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ANNA KOWALSKI

Systems Administrator

Chicago, IL · a.kowalski@email.com · (555) 618-3390

Summary

Systems administrator with 6 years managing 300+ Windows and Linux servers across on-prem and Azure hybrid environments. Maintains 99.9% uptime and led a patch-automation project that cut vulnerability exposure window by 60%.

Experience

Systems Administrator · United Airlines

2020 - Present

  • Administer 300+ Windows Server and Linux VMs across on-prem and Azure hybrid infrastructure with 99.9% uptime
  • Built PowerShell-based patch automation, cutting critical vulnerability exposure window from 14 to 5 days
  • Led disaster-recovery testing for 40 business-critical systems, reducing recovery time objective from 8 to 3 hours

Junior Systems Administrator · Northern Trust

2018 - 2020

  • Managed Active Directory and Group Policy for 1,800 users across 5 offices
  • Migrated 60 physical servers to VMware vSphere, reducing hardware costs by $95K/year

Education

B.S. Information Technology — DePaul University · 2018

Skills

Windows Server, Linux (RHEL/Ubuntu), VMware vSphere, Active Directory, PowerShell, Bash, Group Policy, Azure, Hyper-V, Backup and Recovery, Patch Management

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Must-Have Keywords for Systems Administrator Resumes

These are the keywords ATS systems and recruiters search for. Include them naturally in your Skills, Summary, and Experience sections.

Windows ServerLinuxVMwareActive DirectoryPowerShellBashBackup and RecoveryPatch ManagementGroup PolicyAzureHyper-VDisaster Recovery

The Right Resume Structure for Systems Administrator Roles

ATS systems parse your resume top to bottom. The order of your sections matters — here is the order that works best for Systems Administrator applications:

  1. 1Contact Information
  2. 2Professional Summary
  3. 3Technical Skills
  4. 4Work Experience
  5. 5Certifications
  6. 6Education

ATS Optimization Tips for Systems Administrator Resumes

  • Quantify infrastructure scale: number of servers, VMs, and endpoints you administer.
  • List every OS and hypervisor by name (Windows Server 2022, VMware vSphere, Hyper-V) for exact ATS matches.
  • Highlight uptime percentages and disaster-recovery drills to prove reliability under pressure.
  • Show automation wins: scripts (PowerShell/Bash) that reduced manual admin hours.
  • Mention patch/vulnerability management cadence to signal security awareness.
  • Include cloud migration experience (Azure/AWS) since most admin roles now span hybrid environments.

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