• Infinity Systems Engineering (Alexandria, VA)
    …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a ... expertise, initiative, and experience supporting a mix of network and systems engineering and administration tasks. Key Responsibilities: Network Design &… more
    DirectEmployers Association (09/30/25)
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  • Tyto Athene (Ashburn, VA)
    …Architect. + Strong experience in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux systems ... with a strong emphasis on Amazon Web Services (AWS). + Serve as a senior Splunk Administrator or Architect, responsible for the configuration, maintenance, and… more
    DirectEmployers Association (11/01/25)
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  • Applied Research Associates, Inc. (Herndon, VA)
    …network policies ** Senior DevOps Engineer Preferred Qualifications:** + An active TS /SCI with CI Poly security clearance + OpenShift Certified Administrator ... **Description** ARA is looking for a Senior DevOps Engineer with strong expertise in OpenShift...clusters + **Documentation** : Maintain thorough documentation of infrastructure, systems , and processes **Offer is contingent upon contract award.**… more
    DirectEmployers Association (09/11/25)
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  • Applied Research Solutions (Dayton, OH)
    …are motivated through our industry competitive benefits package, our awards and recognition program, and personalized attention from ARS Senior Managers. ... developing, and maintaining integrations between cloud-based applications and on-premise systems . You'll work closely with cross-functional teams to ensure seamless… more
    DirectEmployers Association (11/15/25)
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  • Senior IT Systems

    BAE Systems (Nashua, NH)
    …your career with BAE Systems . BAE Systems is seeking a Senior Closed Area Systems Administrator to provide comprehensive technical and operational ... & Skills** US Citizenship as required by contract Active Secret Security Clearance and CompTIA Security or equivalent DoD...be available based on position level and/or job specifics. ** Senior IT Systems Administrator ** **118284BR**… more
    BAE Systems (11/18/25)
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  • Senior High Performance Computing…

    BAE Systems (Saratoga Springs, UT)
    …Other incentives may be available based on position level and/or job specifics. ** Senior High Performance Computing Systems Administrator ** **116451BR** EEO ... serve our nation. We are seeking High Performance Computing Systems Administrator with demonstrated experience in system...**Required Education, Experience, & Skills** + Must possess a TS /SCI clearance with appropriate poly + Must work onsite… more
    BAE Systems (09/19/25)
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  • Mid-Level HPC Systems Administrator

    BAE Systems (Saratoga Springs, UT)
    …be available based on position level and/or job specifics. **Mid-Level HPC Systems Administrator ** **116038BR** EEO Career Site Equal Opportunity Employer. ... make a meaningful impact. We are seeking an experienced Senior System Administrator to join our team....Acceptance testing during the purchase process of the HPS systems + Must possess a TS /SCI clearance… more
    BAE Systems (09/09/25)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …complex challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server ... required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to...to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall… more
    V2X (11/15/25)
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  • Senior High Performance Computing (HPC)…

    BAE Systems (Saratoga Springs, UT)
    …level and/or job specifics. ** Senior High Performance Computing (HPC) Systems Administrator ** **116840BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** At BAE Systems , we promote a strong, collaborative culture and...in-house applications \#LI-PB2 **Required Education, Experience, & Skills** + TS /SCI clearance with appropriate poly + Ability to work… more
    BAE Systems (10/03/25)
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  • IT Systems Administrator

    SpaceX (Hawthorne, CA)
    IT Systems Administrator - Top Secret ...both formal and informal situations. ADDITIONAL REQUIREMENTS: + Active Top Secret or TS /SCI with ... enabling human life on Mars. IT SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE...COMPENSATION AND BENEFITS: Pay Range: IT Systems Administrator : $90,000.00 - $115,000.00/per year Sr . IT… more
    SpaceX (10/11/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our ... becomes better. GDIT has an immediate opening for a Systems Administrator to fill a Core Services...(VDI Desktops). + Security Clearance Level: DOE Q or TS * Random Drug Screening* Required Skills and Abilities: Written… more
    General Dynamics Information Technology (09/16/25)
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  • Principal/ Sr . Principal Systems

    Northrop Grumman (Patuxent River, MD)
    …Grumman Aeronautics Systems (NGAS) has an exciting career opportunity for a **Principal/ Sr . Principal Systems Administrator ** to join the Ground Segment ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of...our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,… more
    Northrop Grumman (09/18/25)
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  • Systems Administrator Senior

    General Dynamics Information Technology (Savannah, GA)
    …of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator Senior (VDI) - TS /SCI required** Make meaningful ... RQ208380 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job… more
    General Dynamics Information Technology (10/07/25)
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  • Senior Systems Administrator

    Exeter Government Services, LLC (Miami, FL)
    …5 years of System Admin experience Position Description: Exeter Government Services is seeking a Senior Systems Administrator (SA) to work for SOUTCOM on a ... SCITES - Senior System Administrator Location: Doral, FL Required Clearance: TS or Secret w/SSBI (Tier 5 Investigation) Certifications: DoDM 8570 IAT… more
    Exeter Government Services, LLC (09/07/25)
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  • Systems Administrator II…

    V2X (Springfield, VA)
    …complex challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Cross Domain - ... required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to...to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II Cross… more
    V2X (11/14/25)
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  • Linux / AWS Systems Administrator

    Northrop Grumman (Morrisville, NC)
    …**Responsibilities will include but not be limited to the following:** + Serve as a senior Linux Systems Administrator within an AWS cloud environment for a ... Grumman Classified Solutions team is seeking an experienced **Linux Systems Administrator ** to join its dynamic team...system environments. + Candidates must have a current DoD ** Top Secret /SCI** level security clearance to include… more
    Northrop Grumman (11/15/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph ... any processes related to these systems . The Senior Systems Administrator will Configure...Network+, or System Security Certified Practitioner (SSCP). + A TS /SCI clearance with a Polygraph is required to begin… more
    CACI International (10/30/25)
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  • Senior Linux Systems

    General Dynamics Information Technology (Macdill AFB, FL)
    …Advance how our customers operate while you advance your career. Join GDIT as a ** Senior Linux Systems Administrator ** and build an impactful career in ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...like you. **MEANINGFUL WORK AND PERSONAL IMPACT:** As a ** Senior Linux Systems Administrator ** ,… more
    General Dynamics Information Technology (09/26/25)
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  • Senior Systems Administrator

    SMX (Patuxent River, MD)
    Senior Systems Administrator (VMware) (4601)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is looking for a highly motivated ... ** Systems Administrator ** with demonstrated experience to maintain...virtual networking. **Required Skills and Experience:** + Clearance Required: Top Secret + Bachelor's degree in a… more
    SMX (11/14/25)
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  • NCIS Systems Administrator | Active…

    General Dynamics Information Technology (Quantico, VA)
    …potential, or suspected criminal, terrorism, sabotage, espionage and subversive activities. **HOW OUR SENIOR SYSTEMS ADMINISTRATOR WILL MAKE AN IMPACT** As a ... Yes **Job Description:** Transform technology into opportunity as a ** Systems Administrator ** at GDIT. Shape what's next...YOU'LL NEED TO SUCCEED** + **Security Clearance Level:** Active Top Secret clearance (Must be TS more
    General Dynamics Information Technology (11/04/25)
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