• Sr . Linux/ Windows Systems

    Lockheed Martin (King Of Prussia, PA)
    …administration, including installing, patching, troubleshooting and hardening Linux and Windows operating systems \(both bare\-metal and virtual machines\) ... networking topographies, Virtualization Technologies * Must currently have an active Top Secret Clearance **Desired Skills:** * Windows and Linux OS… more
    Lockheed Martin (11/14/25)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI ... to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall support the...hands-on experience providing O&M support of enterprise server operating systems (OSs) ( Windows Server, Red Hat Enterprise… more
    V2X (11/15/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees have ... incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...Digital Office (CIDO) organization is seeking a highly experienced ** Senior Linux Server Admin** to join its dynamic team… more
    Northrop Grumman (12/12/25)
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  • IT Systems Engineer, Sr / Top…

    Lockheed Martin (King Of Prussia, PA)
    …Valley Forge, Pennsylvania\. Deep expertise in technical leadership, Linux server, Windows server, Storage and network administration are essential elements in ... This IT professional will ensure that the Space IT systems are managed, controlled and compliant with the Security...work at this facility \(No dual citizenship\)\. \- Top Secret level security clearance required\. \- Ability to move,… more
    Lockheed Martin (11/07/25)
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  • Sr . Systems Administrator…

    Lockheed Martin (King Of Prussia, PA)
    …and problem resolution for all of the client/server/storage/network devices \-Patch and harden Windows and Linux \(Red Hat\) and networking systems with Security ... is required . Extensive familiarity with system administration for Linux \(RHEL\) and Windows operating systems . Proven ability to install, secure \(harden\),… more
    Lockheed Martin (10/29/25)
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  • Linux Information Systems Analyst,…

    Lockheed Martin (King Of Prussia, PA)
    …* US Citizenship required at this facility **Desired Skills:** * Experience with Windows Server Operating Systems * Experience with Active Directory \(AD\) * ... NSS Space programs\. This position requires an active DOD Secret clearance and is Onsite in our King of...PA secure facility\. **Your Mission:** As a Linux Information Systems Analyst, your responsibilities will include: * Technical Support:… more
    Lockheed Martin (11/26/25)
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  • Sr Windows Systems

    Watershed Security (Pensacola, FL)
    …looking for qualified candidates to join our team in Pensacola, FL as a Senior Windows Systems Administrator with demonstrated experience conducting VMWare ... of system outage or surge support + Active DoD Secret clearance or higher + Must possess current IAT...+ Must have 8 or more years of progressive Windows and VMWare administration experience in an enterprise-scale environment… more
    Watershed Security (10/08/25)
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  • Information Systems Analyst, Stf…

    Lockheed Martin (Littleton, CO)
    … environments, including Active Directory and Group Policy * Experience with Windows /Linux administration or NetApp storage systems * Experience applying DISA ... Enterprise Operations' Enterprise Business & Digital Transformation \(EBDT\) organization** Windows System Administrator Windows System Administrator Job… more
    Lockheed Martin (12/04/25)
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  • Principal / Sr . Principal Systems

    Northrop Grumman (Patuxent River, MD)
    …Northrop Grumman Aeronautics Systems has an opening for a **Principal / Sr . Principal Systems Engineer​** to join our team of qualified, diverse individuals ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At...months of hire date + Must have experience with Windows and Linux Operating Systems + Must… more
    Northrop Grumman (10/30/25)
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  • Cyber Systems Security Engineer Sr .

    Gromelski & Associates, Inc. (Manassas, VA)
    **Cyber Systems Security Engineer Sr .** Location **Manassas, VA (Relocation Assistance Available)** Job Category **Engineering** ID **686** **_Cyber Systems ... Training Development and Delivery, Multimedia Support, and Technical System Support._ **_Cyber Systems Security Engineer Sr . Job Description:_** As a Cyber … more
    Gromelski & Associates, Inc. (12/05/25)
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  • Sr . Systems Engineer

    UIC Government Services and the Bowhead Family of Companies (San Antonio, TX)
    **Overview** SR . SYSTEMS ENGINEER (BAMCIT): Bowhead seeks a Sr . Systems Engineer to support the Geographic Service Providers (GSP) Brooke Army Medical ... for the PEO MS/J-6 through contractor staff augmentation. The Sr . Systems Engineer is tasked with improving...enterprise level design and deployment of technologies such as Windows Server Operating Systems (2016,2019, 2022), Storage… more
    UIC Government Services and the Bowhead Family of Companies (10/08/25)
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  • Principal/ Sr . Principal Systems

    Northrop Grumman (Patuxent River, MD)
    …Aeronautics Systems (NGAS) has an exciting career opportunity for a **Principal/ Sr . Principal Systems Administrator** to join the Ground Segment team of ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees… more
    Northrop Grumman (12/12/25)
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  • Sr . Cyber Systems Engineer (Active…

    Northrop Grumman (Tampa, FL)
    …to do some of the best work of your career. We are seeking cleared, ** Senior level** **Cyber Systems Engineers** to work on-site at our **Tampa, FL** location. ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (10/02/25)
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  • Sr . Systems Administrator

    Arena Technical Resources, LLC (Washington, DC)
    Sr . Systems Administrator Job Location: Washington, DC (Hybrid) Clearance: Secret Job Description: . Manage and maintain Windows and Linux servers in ... Sr . Systems Administrator Location: Washington, DC,...Secret Clearance to start Required Technical Skills: . Senior Level system administrator skills required . Current and… more
    Arena Technical Resources, LLC (10/25/25)
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  • Sr . Principal Cyber Systems

    Northrop Grumman (Redondo Beach, CA)
    …only part of history, they're making history. Northrop Grumman has an opening for ** Sr . Principal Cyber Systems Engineer** to join the Special Test Equipment ... IOS) + Experienced in the implementation of CMMC/DFARS/RMF/DOD Security Controls on Linux and Windows operating systems (ie Windows SHB and RHEL SSG builds)… more
    Northrop Grumman (11/26/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …employees are not only part of history, they're making history. Northrop Grumman Space Systems (NGSP) is seeking a ** Sr Principal Systems Administrator** to ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...to, the following:** + Perform as a Linux and Windows System Administrator on large government contracts. + Perform… more
    Northrop Grumman (11/13/25)
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  • Sr . Systems Administrator

    Chenega Corporation (Fort Belvoir, VA)
    Sr . Systems Administrator Ft. Belvoir, VA Join our Talent Network Sr . Systems Administrator Ft. Belvoir, VA C-CHR-24-050 TheSenior System ... administration and information assurance support. Duties and Responsibilities: + + Provide systems administration support for the Windows operating system and… more
    Chenega Corporation (12/01/25)
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  • Sr . Systems Engineer - RF Signal…

    RTX Corporation (Tucson, AZ)
    …of innovative weapons systems and advanced AI/ML solutions. We're looking for ** Sr . Systems Engineer - RF Signal and Sensor Modeling Engineers** who enjoy ... eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret At Raytheon, the foundation of everything we do...team environment, and are eager to learn. As a ** Sr . Systems Engineer - RF Signal and… more
    RTX Corporation (12/06/25)
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  • Principal / Sr . Principal Embedded…

    Northrop Grumman (Linthicum Heights, MD)
    …US Citizenship required + Ability to obtain and maintain a DoD Top Secret clearance with SCI **Basic Qualifications for** ** Sr .** **Principal Embedded Operating ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our… more
    Northrop Grumman (12/13/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Melbourne, FL)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an senior **Linux Systems Administrator** to join its dynamic team of technical ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees… more
    Northrop Grumman (11/25/25)
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