• Principal Systems

    ManTech (Arlington, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Principal Systems Administrator ** to join our team in **Pentagon, VA.** The position is ... software, network, and application issues + Manage and maintain computer systems , servers, and other IT infrastructure, ensuring optimal performance and security… more
    ManTech (10/10/25)
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  • Principal Linux Systems

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber ... difference in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the implementation,… more
    Leidos (10/10/25)
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  • Principal Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & ... in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with demonstrated experience supporting and optimizing… more
    Leidos (07/31/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Dulles, VA)
    …Chief Information and Digital Office (CIDO) organization is seeking an experienced **Sr Principal Windows Systems Administrator ** to join its dynamic team ... 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 Windows System Administrator for a classified government contract. + Able to… more
    Northrop Grumman (10/03/25)
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  • Windows Systems Administrator

    Northrop Grumman (Annapolis Junction, MD)
    …career. Northrop Grumman's Classified Solutions team is seeking a well-qualified Windows Systems Administrator to join its dynamic team of technical ... not be limited to the following: + Perform as a Windows/VMware systems administrator for a classified government contract. + Maintain smooth operation of… more
    Northrop Grumman (10/14/25)
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  • Principal Windows Systems

    Northrop Grumman (Linthicum Heights, MD)
    …but not be limited to the following: + Perform as a primary Windows/VMware systems administrator for a classified government contact. + Maintain smooth operation ... the best work of your career. Northrop Grumman Mission Systems is seeking a well-qualified Windows Administrator ...Mission Systems is seeking a well-qualified Windows Administrator to join its Classified Solutions team in Linthicum,… more
    Northrop Grumman (10/15/25)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …your career. Northrop Grumman Classified Solutions is seeking a well-qualified **Linux Systems Administrator ** to join its dynamic team of technical ... not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at all levels… more
    Northrop Grumman (08/20/25)
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  • Principal Linux Systems

    Northrop Grumman (Baltimore, MD)
    …career. Northrop Grumman Mission Systems is seeking a well-qualified **Linux Systems Administrator ** to join its Classified Solutions team of technical ... not be limited to the following: + Perform as primary Linux Systems Administrator for a large, classified government contract. + Communicate effectively at all… more
    Northrop Grumman (10/15/25)
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  • Northrop Grumman (DoD SkillBridge) - Linux/…

    Northrop Grumman (Linthicum Heights, MD)
    …Description:** Northrop Grumman's Classified Solutions Team is seeking a well-qualified Linux Systems Administrator to join our dynamic team of technical ... but not be limited to the following: + Perform as a Linux Systems Administrator for a classified government contract. + Maintain smooth operation of multi-user… more
    Northrop Grumman (08/01/25)
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  • Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a Systems Administrator Advisor with GDIT. A career in enterprise IT ... improving how agencies operate. At GDIT, people are our differentiator. As a Systems Administrator Senior you will help ensure today is safe and tomorrow is… more
    General Dynamics Information Technology (09/30/25)
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  • Windows System Administrators Careers

    Northrop Grumman (Annapolis, MD)
    …of the entire IT infrastructure including Windows desktop, servers and networking equipment. ** Principal Windows Systems Administrator :** + Serve as primary ... including installing, upgrading/patching, monitoring, and hardening the system. **Sr. Principal Windows Systems Administrator :** + Perform as a Lead Windows… more
    Northrop Grumman (09/14/25)
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  • Linux System Administrators Careers

    Northrop Grumman (Linthicum Heights, MD)
    systems , workstations, and applications for several program or project areas. ** Principal Linux Systems Administrator ** + Serve as primary Linux ... status as required for all recurring and non-recurring efforts ​ **Sr. Principal Linux Systems Administrator ** + Serve as a Project Lead analyzing internal… more
    Northrop Grumman (09/14/25)
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  • (DoD SkillBridge) Principal / Sr…

    Northrop Grumman (Linthicum Heights, MD)
    …our team as a ** Principal or Sr. Principal Contract Administrator ** supporting the Maritime/Land Systems and Sensors Division based out of Sunnyvale, ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...to closeout. **This requisition may be filled as a Principal Contract Administrator or a Sr … more
    Northrop Grumman (07/30/25)
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  • Principal Support Administrator

    Patriot Group International, Inc (Chantilly, VA)
    Principal Support Administrator Position Type: Full-Time, Exempt Work Location: Chantilly, VA; McLean, VA Clearance: TS/SCI with polygraph Shift: M-F 9A-5P ... with a special operations and intelligence perspective. We are looking to hire a Principal Support Administrator to join our team in the Northern Virginia area,… more
    Patriot Group International, Inc (09/30/25)
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  • Principal Contract Administrator

    BAE Systems (Sterling, VA)
    **Job Description** As the ** Principal Contract Administrator ** you willperform research on complex contracting matters and provide sound business advice and ... as skills, education, and experience. Employee Benefits: At BAE Systems , we support our employees in all aspects of...be available based on position level and/or job specifics. ** Principal Contract Administrator ** **117345BR** EEO Career Site… more
    BAE Systems (10/15/25)
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  • Contract Administrator / Principal

    Northrop Grumman (Baltimore, MD)
    …Capabilities Business Unit is seeking a motivated professional for a **Contract Administrator / Principal Contract Administrator ** . The successful candidate ... global supply chain, and security for seamless contract administration. For a Principal Contract Administrator (A03): + Conduct proposal preparation, contract… more
    Northrop Grumman (09/18/25)
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  • Principal Contract Administrator

    Northrop Grumman (Annapolis, MD)
    …The Oceanic Systems Operating Unit Contracts team is looking for a ** Principal Contract Administrator /Sr. Principal Contract Administrator ** to ... recommending corresponding risk mitigation strategies. **Qualifications:** **Basic Qualifications for Principal Contract Administrator :** + Bachelor's degree with… more
    Northrop Grumman (08/28/25)
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  • Contract Administrator / Principal

    Northrop Grumman (Annapolis, MD)
    …of the best work of your career. This position may be filled as a **Contracts Administrator or a Principal Contracts Administrator ** . This position is based ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...customers. This position may be filled as a Contracts Administrator or a Principal Contracts Administrator more
    Northrop Grumman (10/10/25)
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  • Principal / Sr Principal Contract…

    Northrop Grumman (Linthicum Heights, MD)
    …only part of history, they're making history. Northrop Grumman is seeking a Principal Contract Administrator /Sr. Principal Contract Administrator (Level ... grade based on qualifications listed below._ **Basic Qualifications for a Level 3 Principal Contract Administrator :** + Bachelor's degree with 5 years of… more
    Northrop Grumman (09/20/25)
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  • Principal / Sr Principal Contract…

    Northrop Grumman (Linthicum Heights, MD)
    …work of your career. Northrop Grumman Mission Systems Sector is seeking a ** Principal or Sr. Principal Contract Administrator ** to join our team. ... historical information from pre-award to closeout. **Qualifications:** **Basic Qualifications for Principal Contract Administrator :** + Bachelor's Degree with a… more
    Northrop Grumman (09/12/25)
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