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  • Linux System Administrator (TS/SCI) – Service Desk

    $107,406-$114,000 Full Time

    Responsibilities for this Position Linux System Administrator (TS/SCI) - Service DeskID: 2026-71400 US-VA-Ft BelvoirRequired Clearance: TS/SCI with Polygraph, obtainable within reasonable time based on requirementsPosted...

  • Senior Linux System Administrator

    $95,106-$161,680 Full Time

    Job Description We put our customers first – exemplified by our missions: “We Protect Those Who Protect Us®” and “We Innovate for Those Who Move...

  • 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: RQ215945Type of Requisition:RegularClearance Level Must Currently Possess:NoneClearance Level Must Be Able...

  • Linux System Administrator, Stf / TS/SCI / Onsite: CO

    $104,500-$184,115 Full Time

    Job ID: 718673BR Date posted: Feb. 26, 2026 Description:Our employees are the core of everything we do, and they are helping the future arrive. As...

  • 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,...

  • 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...

  • Sr. Principal Linux System Administrators (SME)

    Salary not listed Full Time
  • Sr. Principal AIX or Linux System Administrator

    Salary not listed Full Time
  • 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...

  • 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...

  • Linux Systems Administrator (Mid-Level or Senior)

    $96,050-$162,150 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,...

  • Linux/Windows Systems Administrator

    Salary not listed Full Time

    Job ID: 721950BR Date posted: Mar. 31, 2026 Description:WHAT WE'RE DOINGAt Lockheed Martin Rotary and Mission Systems, we are inspired by innovation and integrity. We...

  • Enterprise Operations Linux Systems Administrator

    $111,123-$120,239 Full Time

    Responsibilities for this Position Enterprise Operations Linux Systems AdministratorID: 2026-71339 US-TX-San AntonioRequired Clearance: TS/SCI with Polygraph, obtainable within reasonable time based on requirementsPosted Date: 3/9/2026Category:...

  • Systems Administrator II, Windows/Linux

    $79,365-$134,921 Full Time

    Job Description We put our customers first – exemplified by our missions: “We Protect Those Who Protect Us®” and “We Innovate for Those Who Move...

  • Systems Administrator, Linux/Windows

    $97,008-$164,914 Full Time

    Job Description We put our customers first – exemplified by our missions: “We Protect Those Who Protect Us®” and “We Innovate for Those Who Move...

  • Linux Systems Administrator

    $132,962-$226,035 Full Time

    Job Description At BAE Systems, we promote a strong, collaborative culture and provide our employees with the tools, skills and training they need to succeed.We...

  • Senior Linux Systems Administrator

    $93,500-$126,500 Full Time

    Responsibilities for this Position Location: USA FL MacDill AFBFull Part/Time: Full timeJob Req: RQ215475Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret/SCIClearance Level Must Be Able...

  • Linux 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...

  • Linux Systems Administrator Senior

    $96,569-$130,651 Full Time

    Responsibilities for this Position Location: USA LA Home Office (LAHOME)Full Part/Time: Full timeJob Req: RQ214025Type of Requisition:PipelineClearance Level Must Currently Possess:NoneClearance Level Must Be Able...

  • 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....