• Computer Associates' Top Secret

    General Dynamics Information Technology (Fairfax, VA)
    …projects across the country. We are currently seeking a Computer Associates' Top Secret Security product Systems Administrator . Responsibilities: ... and provide the ability to externalize security. * Hands on experience and knowledge CA Top Secret , z/OS * Hands-on administration of z/OS, CICS, and Top more
    General Dynamics Information Technology (11/13/25)
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  • Site Reliability Engineer (Starshield)…

    SpaceX (Hawthorne, CA)
    Site Reliability Engineer (Starshield) - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out ... goal of enabling human life on Mars. SITE RELIABILITY ENGINEER (STARSHIELD) - TOP SECRET CLEARANCE Starshield leverages SpaceX's Starlink technology and launch… more
    SpaceX (10/04/25)
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  • COMSEC / 5G cellular / VHF Systems Engineer…

    General Dynamics Information Technology (Washington, DC)
    …3 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Engineer- Active Top Secret Required** Seize your opportunity ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...to make a personal impact as a Systems Engineer supporting a world class maintenance program servicing… more
    General Dynamics Information Technology (11/20/25)
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  • Sr. Principal Network Engineer - Top

    Northrop Grumman (Redondo Beach, CA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... (example: Security+ CE) + Candidates must have a currentand **fully adjudicated DOD Top Secret ** level security clearance (at a minimum) in order to… more
    Northrop Grumman (11/19/25)
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  • Pr./ System Admin - Shift Work…

    Northrop Grumman (Chantilly, VA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: No **Description** At Northrop Grumman, our employees have ... configuration management. + Maintain smooth operation of multi-user computer systems , including coordination with team members, system ...**Must have US Citizenship with a current or active Top Secret level clearance and the ability… more
    Northrop Grumman (11/25/25)
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  • IT Sys Admin (RMF / Security) / Top

    Lockheed Martin (Palmdale, CA)
    …to start and then will transition to a 4x10 schedule \(Wed \- Sat\); Active Top Secret Security Clearance \(and of course US Citizenship\) is required for this ... Aeronautics Division located at the Palmdale, CA facility\. This Systems Administrator role will focus heavily on RMF and...organization** **Basic Qualifications:** * Must hold an active DoD Top Secret \(U\.S\. Citizen\) * Must have… more
    Lockheed Martin (10/18/25)
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  • Help Desk System Administrator - Top

    Lockheed Martin (Schriever AFB, CO)
    …infrastructure\. **Please Note:** * This position requires a government security clearance at the Top Secret level; you must be a US Citizen for consideration\. ... and outside of work\. **Basic Qualifications:** * Active Final TOP SECRET clearance is required prior to...certification within 60 days of starting\. * Experience with system administration in both Windows Server and… more
    Lockheed Martin (12/11/25)
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  • LINUX Systems Administrator - Active…

    General Dynamics Information Technology (Washington, DC)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** **Linux Systems Administrator** **- Active Top Secret Required** Seize ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job...** Systems Administrator** with GDIT. A career in systems administration means connecting and enhancing the… more
    General Dynamics Information Technology (12/05/25)
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  • Systems Administrator / Top

    Lockheed Martin (Arlington, VA)
    …that requires special access\. The selected candidate must possess an active Top Secret clearance to start\. \#lmatl **Basic Qualifications:** \* In\-depth ... systems administration experience with Linux \* Demonstrated...Strong oral and written communication skills \* Current final Top Secret clearance and ability to obtain… more
    Lockheed Martin (10/22/25)
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  • IT Systems Administrator - Top

    SpaceX (Hawthorne, CA)
    IT Systems Administrator - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring the ... ultimate goal of enabling human life on Mars. IT SYSTEMS ADMINISTRATOR - TOP SECRET ...BASIC QUALIFICATIONS: + 4+ years of experience in IT systems administration . + Experience with Windows servers… more
    SpaceX (10/11/25)
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  • IT Systems Administrator / Top

    Lockheed Martin (Las Vegas, NV)
    …and infrastructure deployments for their assigned program\. They will perform Systems Administration across multiple platforms including RHEL, Windows Server, ... and Windows 10\. Active Top Secret Security Clearance and US Citizenship...CompTIA Security \+ certification * Experience with Windows Operating Systems \(i\.e\., Windows Server 2016, 2019, Win10, etc\.\) *… more
    Lockheed Martin (10/18/25)
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  • Lead IT Systems Engineer - Top

    SpaceX (Hawthorne, CA)
    Lead IT Systems Engineer - Top Secret ...OR 6+ years of professional experience in an IT administration or IT engineering role in lieu of a degree. ... possible, with the ultimate goal of enabling human life on Mars. LEAD IT SYSTEMS ENGINEER - TOP SECRET CLEARANCE As Lead IT Systems Engineer, you're… more
    SpaceX (10/28/25)
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  • Sr. Software Engineer ( Top Secret

    Lockheed Martin (King Of Prussia, PA)
    …over 3 years of experience, or equivalent experience/combined education\. You currently hold a Top Secret clearance\. **The Work:** * As a Software Engineer for ... **Basic Qualifications:** * Security Clearance required prior to start: Top Secret * Experience developing full stack...tests * Experience working with Linux OS, including basic system administration \(emphasis on RHEL\) * Desire… more
    Lockheed Martin (11/06/25)
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  • Principal Linux Administrator ( Top

    RTX Corporation (Richardson, TX)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret Job Description RTX Corporation is an Aerospace and Defense ... is ideal for candidates with specialized expertise in Linux system administration , a commitment to collaboration, and...McKinney, TX or Tucson, AZ. It requires an active Top Secret clearance in order to be… more
    RTX Corporation (12/12/25)
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  • PDM/PLM Application Administrator (Windchill)…

    RTX Corporation (Plano, TX)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current **Application System Administrator (PDM/PLM - ... Management (PDM) team works to deliver high-quality data management systems to our strategic business units. The PDM tools...drive results + Active and transferable US government issued TOP SECRET security clearance is required prior… more
    RTX Corporation (11/24/25)
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  • Enterprise Classified Cloud Specialist…

    RTX Corporation (Mckinney, TX)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret RTX Corporation is a leading Aerospace and Defense company ... across RTX. This on-site position is based in McKinney, TX, and requires a Top Secret Clearance. The selected candidate will lead the design, automation, and… more
    RTX Corporation (10/29/25)
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  • Forensic Laboratory Technician - Top

    Three Saints Bay (Quantico, VA)
    **Forensic Laboratory Technician - Top Secret (5137)** Location **Quantico, VA** Job Code **5137** \# of Openings **2** Apply Now ... forms. + Enter data into the laboratory information management system (LIMS), create examination plan, and generate barcode labels....with QA / QC, experience with a LIMS. + Top Secret Clearance **Position is Located in… more
    Three Saints Bay (09/26/25)
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  • DevSecOps Engineer Senior - Top

    Lockheed Martin (King Of Prussia, PA)
    …to customer specifications\. This role will also be able to perform certain system administration functions to support development efforts\. * Have strong ... skills are a plus in this role\. **Selected candidate must have a Final Top Secret security clearance PRIOR to start\.** **This is an MID CAREER \(level 3\) ROLE… more
    Lockheed Martin (12/06/25)
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  • G2 Senior Systems Administrator | Active…

    General Dynamics Information Technology (Fairfax, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure ... and Operations **Skills:** Microsoft Windows Server, System Administration ,Virtual Environments **Certifications:** CompTIA Security+ CE...YOU'LL NEED TO SUCCEED:** + **Security Clearance Level:** Active Top Secret clearance. (A Secret more
    General Dynamics Information Technology (12/08/25)
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  • G2 Infrastructure Engineer | Active Top

    General Dynamics Information Technology (Fairfax, VA)
    …**Job Family:** IT Infrastructure and Operations **Skills:** Infrastructure Engineering, System Administration , Systems Engineering **Certifications:** ... Planning for EIM Analyze program efforts. + Also support System Administration for G2 Systems ....Re-Alignment) **WHAT YOU'LL NEED:** + **Security Clearance Level:** Active Top Secret clearance. {A Secret more
    General Dynamics Information Technology (10/25/25)
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