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Resume Example

System Administrator Resume Example

A system administrator resume has to show you keep Windows and Linux systems available. Recruiters search Active Directory, Group Policy, Windows Server, and the Linux distro you administer. Scripting is part of the screen: name PowerShell or Bash and the task you automated. Certifications such as CompTIA Network+, RHCSA, or a Microsoft admin exam are matched literally, so put them on their own line.

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Key skills for a System Administrator resume

Active Directory & Group PolicyWindows ServerLinux administrationPowerShellBashMicrosoft 365DNS, DHCP, and firewallsPatch managementVMware or Hyper-VBackup and monitoring

ATS keywords recruiters scan for

Applicant tracking systems filter resumes by matching them against the job description. Work these terms into your resume naturally — only where they're true of your experience:

system administratorsysadminActive DirectoryWindows ServerLinuxPowerShellGroup PolicyMicrosoft 365patch managementRHCSA

Example bullet points

Good system administrator bullets pair a strong verb with a quantified result. Adapt these to your own numbers:

  • Administered Active Directory and Group Policy for about 1,000 accounts, including joiner, mover, and leaver.
  • Automated monthly Windows patching in PowerShell, shortening the maintenance window from an evening to about two hours.
  • Managed a mix of Windows Server and RHEL hosts, with Bash checks for disk space and failed services.

Common mistakes to avoid

  • Writing "Windows and Linux" with no version, distro, or what you actually administered.
  • Claiming scripting without one PowerShell or Bash task you automated.
  • Burying RHCSA, Network+, or a Microsoft admin exam in a paragraph instead of a Certifications line.
Turn this into your resume

Paste your resume and a system administrator job description — resuFresh rewrites your bullets, summary, and skills to match the role and scores it against the ATS.

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ATS checker for system administrators →System Administrator cover letter example →System Administrator interview questions →Free resume templates →
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