Linux Systems Administrator

  • MANTECH
  • Laurel, Maryland
  • Full Time

MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD.

Responsibilities :

Responsibilities include, but are not limited to the following:

  • Ability to analyze users requirements and high-level system architectures to develop system requirements
  • Provide Tier 1(Help Desk) and Tier 2/3 (Escalation) problem identification, diagnosis, and resolution of problems
  • Provide support to IT systems including day-to-day operations, monitoring, and problem resolution for all the clients/servers/network devices.
  • Provide support for the patching systems and hardware problems and remains involved in the resolution process.
  • Ability to support the planning and test analysis of the DoD Certification/ Accreditation process
  • Ability to install software and hardware applications; upgrade systems with new releases and models
  • Must be able to create accounts, reset passwords, and provide desktop support to customers via phone, tickets, or in-person
  • Must be willing to work a flexible schedule between 6:00am-6:00pm and may be assigned to an evening patching schedule

Minimum/Basic Qualifications:

  • Must be proficient with troubleshooting in a Linux Red Hat environment
  • Bachelors degree in technical discipline from an accredited college or university; an additional 5 years of SA experience might be substituted for a degree is required.
  • 15+ years experience as a SA in programs and contracts of similar scope, type and complexity is required.
  • IAT II certification (DOD 8140 required within 60 days of starting employment. Acceptable certifications include CCNA-Security, Security+)

Preferred Qualifications:

  • Experience with SCANBOY or LatteArt
  • Experience with RHEL 8 or 9
  • Familiarity with JIRA ticketing system

Clearance Requirements:

  • Must be a US Citizen
  • Must have a current active Top Secret/SCI with Polygraph

Physical Requirements:

  • The candidate must be able to move, carry and deliver workstations from inside the office to customers desk. The person in this position must be able to remain in a stationary position 50% of the time. Must communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.
Job ID: 507527710
Originally Posted on: 1/23/2026

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