Leidos, Inc.Hiring

Senior Windows System Administrator

  • Remote, United States
  • Senior
  • Posted 5 days ago
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In one line

Senior Windows System Administrator is a remote role in the United States at a defense and aerospace contractor.

About the role

The team maintains and secures enterprise IT infrastructure across multiple systems. Good work means reliable operations, timely issue resolution, and compliance with DoD security requirements.

At a glance

Pay
Not stated in the posting
Remote scope
Remote, United States
Seniority
Senior
Skills
Windows Server, Linux, Hyper-V, Active Directory, DNS, DHCP, Group Policy, PKI
Posted
30 Oct 2026
Last checked
2 Nov 2026

What you will do

  • Monitor and administer systems, applications, and processes to resolve issues.
  • Oversee patching, backups, disaster recovery, and endpoint security.
  • Mentor junior staff and develop technical documentation.

What they look for

  • Minimum Secret clearance and ability to qualify for TS SCI.
  • Experience with Windows Server, Linux, Hyper-V, and enterprise services.
  • Knowledge of DoD security requirements like STIGs and IAVAs.

Benefits

  • Paid time off, 11 holidays, 401K with 6% match and immediate vesting.
  • Flexible schedules, discounted stock purchase, and training support.

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Questions about this job

Can I do this job remotely, and from which countries?

Yes, it is listed as remote, aimed at candidates in the United States.

What does this job pay?

The posting does not state a salary, so there is no figure to quote.

What experience is needed?

It is a senior role. The posting asks for: minimum Secret clearance and ability to qualify for TS SCI; experience with Windows Server, Linux, Hyper-V, and enterprise services; knowledge of DoD security requirements like STIGs and IAVAs. Skills it names include Windows Server, Linux, Hyper-V, Active Directory.

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Leidos, Inc.Remote, United States
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