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Senior Linux System Administrator

ManTech

Fort Meade, MDJobSeen 1 day agoSeen in employer's feed 1 day ago

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At a glance

Compensation
No compensation found
Location
Fort Meade, MD
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

TS/SCI clearance

Job overview

ManTech seeks a Senior Linux System Administrator in Ft. Meade, Maryland. The role supports implementation, troubleshooting, and maintenance of IT systems; manages infrastructure and related processes; and provides Tier 1 and Tier 2 support. The administrator also configures Linux and Windows systems, optimizes operations, maintains system integrity and network components, analyzes escalated issues, and supports system architecture design.

Skills & qualifications

RequiredNice to have

Skills

Linux System Administration

Qualifications

Bachelor's in Technical Discipline or Equivalent Experience20+ Years Related ExperienceActive TS/SCI With PolygraphStationary Position 50% of Time

Full job description

MANTECH seeks a Senior Linux System Administrator to join our team in Ft. Meade, MD .

In this role, you will provide support for implementation, troubleshooting, and maintenance of IT systems, as well as manage IT system infrastructure and any processes related to these systems.

Responsibilities include, but are not limited to:

  • Provide support for implementation, troubleshooting, and maintenance of IT systems.

  • Manage IT system infrastructure and processes related to client/server/storage/network devices and mobile devices.

  • Perform Tier 1 (Help Desk) and Tier 2 (Escalation) support: problem identification, diagnosis, and resolution.

  • Optimize system operations and resource utilization; perform capacity analysis and system planning.

  • Configure and manage Linux and Windows operating systems; install, load, and enhance OS software for improved reliability and performance.

  • Troubleshoot and maintain system integrity and network components.

  • Provide detailed analysis and feedback to management and internal customers on escalated issues.

  • Support the design of system architectures and associated hardware.

Minimum Qualification

  • Bachelor’s degree in a technical discipline; an additional 4 years of related experience might be substituted for a degree.

  • 20+ years of related experience in systems administration or IT operations.

  • Experience with Linux, including installation, configuration, troubleshooting, and maintenance.

Security Clearance Requirements:

  • Active TS/SCI with Polygraph.

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time.

  • Constantly operates a computer and other office productivity machinery (e.g., calculator, copy machine, printer).

  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.

MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at [email protected] and provide your name and contact information.

How this job compares

Set against the 2,521 open Systems Administrator jobs on Olive Jobs, counted October 29, 2026.

Pay
  • This postingNot listed
  • Maryland median$99–167K/yr131 salary ranges
  • US median$40–46/hr106 hourly ranges
Openings
Olive Jobs lists 177 open Systems Administrator jobs in Maryland and 2,521 across the US. 4% of them nationwide are listed as remote or flexible.
Hiring the most in Maryland
Experience
This posting asks for at least 20 years of experience — more than three in four Systems Administrator postings that state a minimum ask for (median 4 years, across 2,169 postings).
Education
723 of the 2,521 open Systems Administrator jobs (29%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on October 29, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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