• Principal Technical Scrum Team PM (SPM)

    Leidos (Bethesda, MD)
    **Description** ** Principal Technical Scrum Team PM (SPM)** **Leidos** has a new and exciting opportunity for a **Technical Scrum Team PM (SPM)** in our **National ... Security Sector's (NSS) Cyber & Analytics Business Area (CABA)**...abilities, as well as internal equity, alignment with market data , applicable bargaining agreement (if any), or other law.… more
    Leidos (12/19/25)
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  • Senior Principal Software Engineer (Onsite)

    RTX Corporation (Fort Wayne, IN)
    …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:** Secret - Current...Mission Planning team is looking for an experienced Senior Principal Software Engineer to join our team. This is… more
    RTX Corporation (12/18/25)
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  • Principal Test Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Test Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business ... Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling,… more
    Leidos (12/11/25)
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  • Field Engineer Level 4 (Sr Principal )

    Northrop Grumman (Jacksonville, FL)
    …Mission Systems is a trusted provider of mission-enabling solutions for global security . Our Engineering and Sciences (E&S) organization pushes the boundaries of ... team as a **F** **ield Engineer Level 4 (Sr Principal )** based out of **Mayport, FL** with some CONUS/OCONUS...airborne and terrestrial tactical communication system providing voice and data services in real world operations on the Triton… more
    Northrop Grumman (11/25/25)
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  • Principal Systems Engineer (Onsite)

    RTX Corporation (Largo, FL)
    …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:** Secret - Current **Raytheon Company, Managed by Collins Aerospace**… more
    RTX Corporation (12/30/25)
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  • Principal Systems Engineer

    RTX Corporation (Woburn, MA)
    …Status Requirements:** The ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only US citizens are ... eligible for a security clearance ** Security Clearance:** DoD Clearance: Secret...secure world. The RMD team is looking for a ** Principal ** **Systems Engineer** to support the Missile Defense Sensors… more
    RTX Corporation (12/27/25)
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  • Principal Software Engineer - Embedded…

    RTX Corporation (Cedar Rapids, IA)
    …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:** DoD Clearance: Secret...and informed-no matter the environment. We're looking for a ** Principal Software Engineer** who's ready to make an impact.… more
    RTX Corporation (12/03/25)
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  • Principal EH&S Generalist (Onsite)

    RTX Corporation (Wilsonville, OR)
    …"U.S. Person" go here: https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62 ** Security Clearance:** None/Not Required We ... in all functional aspects of the sites' EHS Management System. As a Principal EH&S Generalist, you will execute initiatives and programs across multiple EH&S… more
    RTX Corporation (12/24/25)
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  • Principal Hardware Design Engineer (Onsite)

    RTX Corporation (Cedar Rapids, IA)
    …only US citizens are authorized to access information under this program/contract. ** Security Clearance:** None/Not Required We are seeking a highly motivated ... Principal Electrical Engineer to join the Computing Products Hardware...Mission computers + Small form factor Multi-Function Displays + Data Transfer Units and Network Attached Storage + Processing… more
    RTX Corporation (11/22/25)
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  • Principal Military Trainer -…

    Serco (Fort Leavenworth, KS)
    **Position Description** Serco is seeking a motivated and experienced Principal Military Trainer - Other Government Agency (OGA) to support the Mission Command ... upon your ability to obtain/maintain/transfer an active DoD Secret security clearance.** In this role, you will: + Support...Observer Coach/Trainers (OC/T) to develop AAR products. + Extract data from WFX simulations to meet direct or anticipated… more
    Serco (12/26/25)
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