• Principal Network and Protocol Architect

    Leidos (Arlington, VA)
    …including Wireline, RF, and Free Space Optics. This role requires deep technical expertise in network protocols, security , and cloud technologies, combined ... **Description** As a Principal Network and Protocol Architect, you will be...(eg, extending BGP to incorporate quantum sensing for link security evaluation). + Define, simulate, and evaluate new networking… more
    Leidos (10/04/25)
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  • Principal Engineer (Director IC), Exchange…

    Fannie Mae (Reston, VA)
    …hardware, technology, and/or processes. *THE IMPACT YOU WILL MAKE* The * Principal Engineer (Director IC), Exchange Platform (APIs, Files, AI protocols, and ... and resolving conflicting and/or complementary needs. * Design and develop technical solutions, which include leading matrixed teams. * Apply extensive expertise… more
    Fannie Mae (10/17/25)
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  • CCSS Principal Systems Engineer - WHCA…

    RTX Corporation (Springfield, VA)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS/SCI - Current...Raytheon Field Engineering is anticipating an opportunity for a Principal Systems Engineer. This role is suited for a… more
    RTX Corporation (11/13/25)
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  • Principal Advisor - Batteries

    Pacific Northwest National Laboratory (Richmond, VA)
    …and dedicated budget. Our Science & Technology directorates include National Security , Earth and Biological Sciences, Physical and Computational Sciences, and Energy ... and efficiency technologies that improve the affordability, reliability, resiliency, and security of the American energy system; and resolving complex issues in… more
    Pacific Northwest National Laboratory (10/17/25)
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  • Principal , Material Process Engineering

    L3Harris (Orange, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Principal , Materials Process Engineering Job Code: 30093 Job ... every other Friday off Job Description: Recognized as an external expert and technical leader with deep and substantive technical expertise in energetics and… more
    L3Harris (10/17/25)
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  • Sr Principal Windows Systems Administrator…

    Northrop Grumman (Dulles, VA)
    …Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological ... Information and Digital Office (CIDO) organization is seeking an experienced **Sr Principal Windows Systems Administrator** to join its dynamic team of technical more
    Northrop Grumman (10/31/25)
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  • SAP NS2 Principal Support Engineer - BTP

    SAP (Herndon, VA)
    …master new areas. + Advanced understanding of business processes within one application /technology area + Technical skills (debugging, tracing, verifying complex ... that wants you to grow and succeed. **SAP NS2 Principal Support Engineer - BTP - Remote** SAP NS2...for business software and related services, and SAP National Security Services Inc.(R) (SAP NS2(R)) is an independent US… more
    SAP (11/14/25)
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  • Principal Systems Engineer - Operational…

    RTX Corporation (Sterling, VA)
    …as only US citizens are eligible for a security clearance ** Security Clearance:** DoD Clearance: Top Secret ** Principal Systems Engineer** **- Operational ... operation and customer satisfaction. **What you will do: ** + Provide technical support to field engineers, technicians and product support who diagnose,… more
    RTX Corporation (11/04/25)
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  • Principal SME Science and Technology (S&T)

    Alaka'ina Foundation Family of Companies (Fort Belvoir, VA)
    …support product selection, architecture, system design, engineering, intelligence systems, security and other technical , operational, and analytical disciplines ... Principal SME Science and Technology (S&T) Location VA...acquisition and contracting strategy documentation and communications. + Provides security /vulnerability assessments and input to program protection plans. +… more
    Alaka'ina Foundation Family of Companies (09/19/25)
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  • Principal Network Engineer

    Leidos (Mclean, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Network Engineer** in our **National Security Sector's (NSS) Cyber & Analytics ... Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,… more
    Leidos (10/10/25)
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