• Senior Principal Systems

    BAE Systems (Merrimack, NH)
    …incentives may be available based on position level and/or job specifics. **Senior Principal Systems Engineer ** **113673BR** EEO Career Site Equal ... achievable. BAE Systems is seeking an experienced systems engineer as part of a multi-disciplinary...PDR and CDR development and presentation + Familiarity with RF/ SIGINT applications. + Strong communication skills to collaborate with… more
    BAE Systems (06/13/25)
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  • Principal Software Systems

    Parsons Corporation (Herndon, VA)
    …for. **Job Description:** **Job Description:** Parsons is looking for an amazingly talented ** Principal ** **Software Systems Engineer ** to join our team! ... systems and embedded software deployment tooling. + Background in SIGINT , EW, or sensor fusion systems a plus. + Knowledge of industry standards such as… more
    Parsons Corporation (05/08/25)
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  • Principal Mission / Systems

    RTX Corporation (Annapolis Junction, MD)
    …flexibility at hiring manager discretion.** Applied Signal Technology (AST) is seeking a ** Principal ** **Mission / Systems Engineer ** who strives for ... of our world. AST provides trusted strategic and tactical SIGINT solutions that secure the interests of the US...relevant experience + 8 years of practical experience in Systems Engineering including experience with design, development and testing… more
    RTX Corporation (07/24/25)
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  • Principal Systems Engineer

    RTX Corporation (West Valley City, UT)
    …looking for a ** Principal ** **S** **ystems Engineering, Integration and Test (SEIT) Engineer ** to join our top-tier Engineering team and play a key role in ... the design, development, testing, and delivery of modern communication systems . AST is known for providing strategic and tactical.... AST is known for providing strategic and tactical SIGINT solutions that safeguard the interests of the US… more
    RTX Corporation (07/11/25)
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  • Principal Systems Engineer

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Systems Engineer ** in our **National Security Sector's (NSS) Cyber & ... and make a difference in National Security!** Leidos is seeking a versatile and proactive ** Principal ** ** Systems Engineer ** to serve as the central point of… more
    Leidos (07/25/25)
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  • Principal Systems Engineer

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Systems Engineer in our **National Security Sector's (NSS) Cyber & Analytics ... (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence ( SIGINT ), and Cryptographic Key Management. At **Leidos** , we...impactful results. Leidos is currently looking to add a Principal Systems Engineer (SE-3) to… more
    Leidos (07/31/25)
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  • Principal Systems Engineer

    Leidos (Fort Meade, MD)
    …**Join us and make a difference in National** **Security!** **Job Summary** As a Principal Systems Engineer , you will be responsible for designing, ... **Description** **Leidos** has a new and exciting opportunity for a Principal System Engineer in our **National Security Sector's (NSS) Cyber & Analytics… more
    Leidos (06/10/25)
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  • Principal Engineer Software

    Northrop Grumman (Chantilly, VA)
    …interested in defining possible? **Northrop Grumman Mission Systems ** is seeking a ** Principal Software Engineer ** to join our team! This position will be ... integration, test, and demonstration events. **Basic Qualifications for a Principal Software Engineer :** + Must have a...& functions + Knowledge of hardware and functions of SIGINT /EW systems and workflows + Hardware integration… more
    Northrop Grumman (07/24/25)
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  • Principal Elasticsearch Systems

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal ** **Elasticsearch Systems Engineer ** in our **National Security Sector's ... more. **Join us and make a difference in National Security!** **Job Summary** The Principal Elasticsearch Systems Engineer role provides support across an… more
    Leidos (08/01/25)
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  • Principal Antenna Engineer

    SpaceX (Hawthorne, CA)
    Principal Antenna Engineer (Starshield) Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring the stars is ... the ultimate goal of enabling human life on Mars. PRINCIPAL ANTENNA ENGINEER (STARSHIELD) Starshield leverages SpaceX's...work on RF or antennas + Experience with RF systems including SIGINT , ELINT, radar, or communications… more
    SpaceX (07/15/25)
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  • Sr Principal Engineer Software

    Northrop Grumman (Chantilly, VA)
    …in defining possible? **Northrop Grumman Mission Systems ** is seeking a **Sr Principal Software Engineer ** to join our team! This position will primarily be ... system components & functions + Knowledge of hardware and functions of SIGINT /EW systems and workflows + Hardware integration experience + Loading and starting… more
    Northrop Grumman (07/08/25)
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  • Principal Information Systems

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for Principal Information Systems Security Engineer (ISSE) in our **National Security Sector's ... Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence ( SIGINT ), and Cryptographic Key Management. At **Leidos** , we offer… more
    Leidos (08/01/25)
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  • Senior Principal MMIC Design…

    Mercury Systems (Peachtree Corners, GA)
    …aerospace and defense applications, advancing innovation where it matters most. The senior principal mmic design engineer will be responsible for designing and ... Req. Number 25-339 Job Description Job Summary: Mercury Systems is seeking the best and brightest talent...that operate from HF through Ka band. The ideal engineer has significant design experience with both GaAs and… more
    Mercury Systems (06/21/25)
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  • Principal Software Engineer

    RTX Corporation (West Valley City, UT)
    …flexibility at hiring manager discretion.** Applied Signal Technology (AST) is seeking a ** Principal Software Engineer ** who strives for excellence and have a ... of our world. AST provides trusted strategic and tactical SIGINT solutions that secure the interests of the US...new work products or enhancement of existing applications and systems + Design, code, test, integrate, and document software… more
    RTX Corporation (07/25/25)
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  • Principal and Sr Principal Flight…

    Northrop Grumman (Patuxent River, MD)
    …of test plans as required to support test. **"This requisition may be filled as a Principal Test Engineer or Sr Principal Test Engineer "** Basic ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...as a condition of employment. Basic Qualifications for Sr Principal Test Engineer : + Bachelor of Science… more
    Northrop Grumman (07/18/25)
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  • Principal Software Engineer

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... **Join us and make a difference in National Security!** We are seeking a Principal Software Engineer for cloud development work leveraging capabilities from open… more
    Leidos (05/30/25)
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  • Principal Software Engineer

    Leidos (Reston, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence ( SIGINT ), and Cryptographic Key Management. At **Leidos** , we offer… more
    Leidos (05/15/25)
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  • Principal Software Engineer - 25k…

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... Engineer to design, develop, and enhance complex software systems , including high-performance analytics, large-scale data processing, real-time applications, and… more
    Leidos (07/31/25)
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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 ... Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence ( SIGINT ), and Cryptographic Key Management. At **Leidos** , we offer… more
    Leidos (08/01/25)
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  • Principal Test Engineer

    Leidos (Reston, VA)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Test Engineer in our **National Security Sector's (NSS) Cyber & Analytics Business ... Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence ( SIGINT ), and Cryptographic Key Management. At **Leidos** , we offer… more
    Leidos (07/24/25)
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