• LINUX Sr Principal Systems Engineer…

    General Dynamics Information Technology (Washington, DC)
    …of related experience **US Citizenship Required:** Yes **Job Description:** Job Description ** Senior Principal Systems Engineer - Linux** Design, deploy, ... maintain Linux technologies to advance the mission as a ** SENIOR PRINCIPAL SYSTEMS ENGINEER** with...Linux Systems (currently, RHEL 7/8 and Ubuntu systems ) into a primary Windows environment (workstations… more
    General Dynamics Information Technology (09/23/25)
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  • Principal Systems Engineer - Active…

    General Dynamics Information Technology (Washington, DC)
    …15 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Senior Principal Systems Engineer** Seize your opportunity to make ... None **Job Family:** IT Infrastructure and Operations **Skills:** Complex Systems ,Encryption,Hardware Security,Microsoft Windows Server, Systems Engineering...a personal impact as a Senior Principal Systems Engineer with… more
    General Dynamics Information Technology (08/09/25)
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  • Systems Administrator Principal

    General Dynamics Information Technology (Fort Belvoir, VA)
    …safe and tomorrow is smarter. **GDIT** seeks a highly motivated and experienced ** Windows Systems Administrator** to support a **Defense Threat Reduction Agency ... operate. At GDIT, people are our differentiator. As a Systems Administrator Senior you will help ensure... across the organization. + Provide day-to-day support for Windows systems , services, and performances. + Perform… more
    General Dynamics Information Technology (09/30/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …us to get a preview of the full benefits package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer) to join our team ... design, implementation, documentation, and troubleshooting of the enterprise server environment. The Principal Systems Engineer must have the ability to manage… more
    Saliense Consulting (10/01/25)
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  • Principal Cyber Security Systems…

    ManTech (Chantilly, VA)
    MANTECH seeks a motivated, career-driven ** Principal Cyber Security Systems Engineer** to join our team in **Chantilly, VA** . This role offers an exciting ... including Juniper, Cisco, F5, and similar platforms + Administering and troubleshooting Windows , Linux, and vendor appliance-based systems to ensure high… more
    ManTech (08/29/25)
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  • Principal / Sr. Principal…

    Northrop Grumman (Annapolis Junction, MD)
    …Center (NGMC) (https://www.northropgrumman.com/what-we-do/mission-solutions/microelectronics) is seeking a ** Principal Application Software Engineer/ Senior ... may be filled as a** ** Principal Application Software Engineer or Senior Principal Application Software Engineer** **.** **This position is contingent upon… more
    Northrop Grumman (10/02/25)
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  • Information Systems Security Engineer…

    Amentum (Fort Meade, MD)
    …Security, & Intel space? If so, look no further. Amentum is seeking a ** Principal Information Systems Security Engineer** to join our team of passionate ... the front and back end of new products and processes. **Responsibilities:** The ** Senior Information Systems Security Engineer (ISSE)** shall deliver and lead… more
    Amentum (10/01/25)
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  • Sr Principal Cybersecurity Analyst/Network…

    Northrop Grumman (Chantilly, VA)
    …including but not limited to Standard Operating Procedures and VISIO diagrams. ** Senior Principal Cyber Systems Engineer Basic Qualifications:** + ... our diverse team of engineers, system administrators, and operators as a Sr. Principal Cyber Systems Engineer professional in Chantilly, VA. The successful… more
    Northrop Grumman (10/02/25)
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  • Sr Principal Network Engineer

    Northrop Grumman (Fairfax, VA)
    …of our mission! Northrop Grumman Space Systems (NGSP) seeks to fill a ** Senior Principal Network Engineer** in the Payload and Ground Systems Division ... 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 (08/31/25)
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  • Principal Network Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Network Engineer** in our **National Security Sector's (NSS) Cyber & Analytics ... with domain and expert technical knowledge. + Experience in interfacing with senior management and negotiating with clients on requirements and deliverables. +… more
    Leidos (08/02/25)
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