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Cover Letter Example

System Administrator Cover Letter Example

A sample cover letter for a system administrator role you can adapt to your own experience — plus what to include and the skills to highlight. Then let resuFresh write a personalized one from your resume and the job description in seconds.

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Sample system administrator cover letter

Dear Hiring Manager,

I'm writing to apply for the System Administrator position at [Company]. With hands-on experience in Active Directory & Group Policy, Windows Server, Linux administration, I was excited to see this role — it lines up closely with the work I do best, and with what your team is looking for.

In my current role, I administered Active Directory and Group Policy for about 1,000 accounts, including joiner, mover, and leaver. I pair that with strong sysadmin and Active Directory, and I'm deliberate about turning day-to-day work into measurable results rather than just activity. I believe that's exactly the kind of impact a system administrator should bring to [Company].

I'd welcome the chance to talk about how my background in Active Directory & Group Policy and Windows Server can support [Company]'s goals. Thank you for your time and consideration — I've attached my resume and would be glad to share more.

Sincerely, [Your Name]

Replace the bracketed placeholders with your details. This is a template — a strong cover letter should reflect your real achievements and the specific company.

What to include in a system administrator cover letter

  • A specific opening. Name the role and company, and lead with why you're a fit — skip "To whom it may concern."
  • One quantified proof point. Pick your strongest system administrator achievement and put a number on it.
  • The right keywords. Work in the skills the job asks for — for this role, things like system administrator, sysadmin, Active Directory, Windows Server.
  • A clear close. Express interest in talking further and thank them — keep the whole letter to about three quarters of a page.

Skills to highlight

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