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  • Lockheed Martin

    Linux System Administrator, Stf – TS/SCI W/Poly- Onsite: Sunnyvale, CA

    $104,500-$208,150 Full Time

    Job ID: 716675BR Date posted: Feb. 05, 2026 Description:This Classified IT Operations position supports Lockheed Martin Space. The selected candidate will be responsible for upgrades,...

  • General Dynamics

    Linux System Administrator (Service Desk)

    $94,056-$101,771 Full Time

    Responsibilities for this Position Linux System Administrator (Service Desk)ID: 2026-70474 USA-CO-Schriever AFBRequired Clearance: TS/SCI with Polygraph, obtainable within reasonable time based on requirementsPosted Date: 1/29/2026Category:...

  • General Dynamics

    Linux System Administrator Cybersecurity Professional

    $100,219-$111,180 Full Time

    Responsibilities for this Position Linux System Administrator Cybersecurity ProfessionalID: 2026-70386 USA-NC-McLeansvilleRequired Clearance: TS/SCI, obtainable within reasonable time based on requirementsPosted Date: 1/26/2026Category: Information TechnologyEmployment Type:...

  • General Dynamics

    Linux System Administrator (Service Desk)

    $105,814-$114,494 Full Time

    Responsibilities for this Position Linux System Administrator (Service Desk)ID: 2026-70465 USA-TX-San AntonioRequired Clearance: TS/SCI with Polygraph, obtainable within reasonable time based on requirementsPosted Date: 1/29/2026Category:...

  • Boeing

    Mid-Level Windows and Linux System Administrator

    $102,850-$139,150 Full Time

    Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment for every teammate that’s welcoming,...

  • General Dynamics

    Senior Linux System Administrator

    $90,950-$123,050 Full Time

    Responsibilities for this Position Location: USA MS Stennis Space CenterFull Part/Time: Full timeJob Req: RQ212552Type of Requisition:RegularClearance Level Must Currently Possess:NoneClearance Level Must Be Able...

  • CACI

    Linux System Administrator

    $71,500-$150,200 Full Time

    Linux System AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of...

  • Raytheon

    Sr. Principal Linux System Administrators (SME)

    Salary not listed Full Time
  • Raytheon

    Sr. Principal AIX or Linux System Administrator

    Salary not listed Full Time
  • Kenjya-Trusant Group

    Linux System Administrator Level 2-4 (SF)

    $130,000-$275,000 Full Time

    Position Summary: The Kenjya-Trusant Group is looking for a Systems Administrator to support our Maryland Customer for cross domain solutions. The Systems Administrator will perform...

  • CACI

    Linux System Administrator

    $65,000-$136,500 Full Time

    Linux System AdministratorJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of...

  • Lockheed Martin

    Linux Systems Administrator, Stf / Secret / Onsite: Huntsville, AL

    Salary not listed Full Time

    Job ID: 717097BR Date posted: Feb. 04, 2026 Description:About Us:Our employees are the core of everything we do, and they are helping the future arrive....

  • Lockheed Martin

    Linux Systems Administrator, Sr / TS/SCI Poly / Onsite: KoP, PA

    Salary not listed Full Time

    Job ID: 717180BR Date posted: Feb. 05, 2026 Description:Our employees are the core of everything we do, and they are helping the future arrive. As...

  • Lockheed Martin

    Linux Systems Administrator, Stf / TS/SCI Poly / PART-TIME /Onsite: CO

    $104,500-$184,115 Full Time

    Job ID: 717181BR Date posted: Feb. 05, 2026 Description:Our employees are the core of everything we do, and they are helping the future arrive. As...

  • Northrop Grumman

    Linux / AWS Systems Administrator 3/4 – Polygraph

    $98,900-$185,000 Full Time

    RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE TYPE: PolygraphTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems...

  • Northrop Grumman

    HPC Linux Systems Administrator 3/4 – Secret

    $89,400-$167,500 Full Time

    RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary...

  • Northrop Grumman

    Principal Linux Systems Administrator

    $98,900-$148,300 Full Time

    RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary...

  • Northrop Grumman

    Sr Principal Software Factory (SWF) Linux Systems Administrator – Secret

    $111,700-$167,500 Full Time

    RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems...

  • Northrop Grumman

    HPC Linux Systems Administrator 3/4 – Secret

    $89,400-$167,500 Full Time

    RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary...

  • Northrop Grumman

    Northrop Grumman (DoD SkillBridge) – Linux Systems Administrator 3/4

    $89,400-$167,500 Full Time

    RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE TYPE: SecretTRAVEL: NoDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives...