• Principal /Sr. Principal

    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 ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...hours and weekends as needed. Basic Qualifications for a Senior Principal System Admin: + Bachelor's degree… more
    Northrop Grumman (12/12/25)
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  • Senior Principal Network Engineer

    Northrop Grumman (San Diego, CA)
    …making history. Northrop Grumman Aeronautics Systems is looking to add a ** Senior Principal Network Engineer** to our team in San Diego (Rancho Bernardo), ... effort to develop novel and innovative solutions to advanced technical problems. The ** Senior Principal Network Engineer** in this role will be responsible for:… more
    Northrop Grumman (12/04/25)
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  • Senior Principal Software Engineer…

    RTX Corporation (Cedar Rapids, IA)
    …world safe, connected, and informed-no matter the environment. We're looking for a ** Senior ** ** Principal Software Engineer** who's ready to make an impact. In ... don't just build technology-we engineer mission success. Our Communication Systems teams are on the front lines of innovation,...3+ years' experience with software development and integration for Windows , Linux, and containers + At least 3+ years'… more
    RTX Corporation (11/13/25)
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  • Senior Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …and workstation support. + Experience with troubleshooting, patching, and support Linux, ESXi and Windows Systems . + Work as a team member in a fast-paced ... candidate is responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux/ Windows more
    RTX Corporation (09/26/25)
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  • Deployable Senior Principal Network…

    Northrop Grumman (Beale AFB, CA)
    …history. Northrop Grumman Aeronautics Systems has an opening for a **Deployable Senior Principal Network Communications (Level 4)** engineer to join our team ... Implementation + Integrated Maintenance Data System + Unix/Solaris Operating Systems and Principles + Windows Server and Desktop versions. + Wide Area (WAN) and… more
    Northrop Grumman (12/09/25)
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  • Senior Principal Software Engineer…

    RTX Corporation (Largo, FL)
    Systems (PCS) Software (SW) Engineering Department has an opportunity for a talented ** Senior Principal Software Engineer** to join our team. **What You Will ... UDP, HTTP, HTTPS, RTP, SIP) * Working knowledge of Windows , Linux, VxWorks or other Real time operating ...Windows , Linux, VxWorks or other Real time operating systems * Typically requires a degree in Science, Technology,… more
    RTX Corporation (10/05/25)
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  • Senior Principal Cyber Security…

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Principal Cyber Security Engineer** to join our team in **Chantilly, VA.** This role ... high availability solutions, network management systems , and virtual systems + Knowledge of Windows and Linux systems , general operating system security… more
    ManTech (12/13/25)
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  • Senior Principal Engineer Software…

    Northrop Grumman (Melbourne, FL)
    …making history. Northrop Grumman Aeronautics Systems has an opening for a ** Senior Principal Software Engineer - Air Vehicle Modeling & Simulation** to join ... 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 (12/13/25)
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  • Senior Principal DevOps Lead…

    RTX Corporation (Fulton, MD)
    …global market. Collins Aerospace is currently seeking a self-motivated and talented ** Senior Principal ** **DevOps Lead Engineer** who is seeking a challenging ... Agile concepts and methodologies + Working knowledge of system administration (RHEL, Windows ) and networking + Experience with DoD Enterprise DevOps initiatives and… more
    RTX Corporation (10/17/25)
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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 (11/08/25)
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