• Principal Software Engineer

    Lockheed Martin (Hanover, MD)
    …provide life\-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection\. * You will modernize and sustain capabilities to include ... professionals interested in a variety of responsibilities including; * Software development / * Software engineering For a complete list that changes weekly, use… more
    Lockheed Martin (10/10/25)
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  • Systems Test Engineer / Principal

    Northrop Grumman (Chantilly, VA)
    …**Northrop Grumman Mission Systems** is seeking a candidate to fill a **Systems Test Engineer / Principal Systems Test Engineer ** position. This position ... test kits. This requisition may be filled at either the **Systems** **Test Engineer ** or ** Principal ** **Systems** **Test Engineer ** level. **Basic… more
    Northrop Grumman (10/23/25)
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  • Principal Software Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal ** ** Software Engineer ** in our **National Security Sector's (NSS) Cyber & ... **Join us and make a difference in National Security!** **Job Description** A Software Engineer on this program provides Agile development and operations and… more
    Leidos (11/07/25)
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  • Principal Software Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & ... more. **Join us and make a difference in National Security!** **Job Description** As a Software Engineer on this program, you will have the opportunity to build… more
    Leidos (10/31/25)
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  • Principal Kubernetes Software

    Leidos (Columbia, MD)
    …and make a difference in National Security!** **Job Summary:** Our ideal Software Engineer will have expertise in Kubernetes containerization and orchestration. ... **Description** **Leidos** has a new and exciting opportunity for a ** Principal Kubernetes** **S** **oftware Engineer ** in our **National Security Sector's (NSS)… more
    Leidos (09/04/25)
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  • Principal Software Engineer

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & ... the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence ( SIGINT ), and… more
    Leidos (11/07/25)
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  • Sr. Principal Systems Engineer

    RTX Corporation (Dulles, VA)
    …managed by Collins Aerospace Applied Signal Technology (AST) is seeking a **Sr. Principal Systems Engineer / Technical Program Manager** to join our Advanced ... Technology Division (ATD). Applied Signal Technology, provides trusted Signals Intelligence ( SIGINT ) and Cyber solutions for the US and its partners. AST's work in… more
    RTX Corporation (11/13/25)
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  • Principal Mission / Systems Engineer

    RTX Corporation (Annapolis Junction, MD)
    …at hiring manager discretion.** Applied Signal Technology (AST) is seeking a ** Principal ** **Mission / Systems Engineer ** who strives for excellence and ... of our world. AST provides trusted strategic and tactical SIGINT solutions that secure the interests of the US...with design, development and testing of custom hardware and software systems of high complexity + Experience interacting with… more
    RTX Corporation (10/23/25)
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  • Principal RF Engineer

    Leidos (Arlington, VA)
    …engineers, systems engineers, software /firmware engineers, scientists, etc.). The ** Principal RF Engineer ** will direct the design and development ... nation's defense.** We currently have an opening for a ** Principal RF Engineer ** to work with a...+ Experience working in Electronic Warfare applications and systems, SIGINT and/or radar fields as a subject matter expert.… more
    Leidos (11/11/25)
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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 ... the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence ( SIGINT ), and… more
    Leidos (09/12/25)
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