• Advanced Programs - Sr Principal

    Northrop Grumman (Huntsville, AL)
    …they're making history. Northrop Grumman Defense Systems is seeking a **Sr Principal Systems Engineer ** in support of Advanced Programs. This opening ... 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 (11/26/25)
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  • Principal Systems Engineer

    Intuitive Research and Technology Corporation (Huntsville, AL)
    …initiative, and seeks excellence. Start Building Your Future today! We are seeking a Principal Systems Engineer to provide systems engineering expertise ... software integration, lab and open-air testing, system deployment, performance-based logistics , and disposal of systems . + Provide programmatic and technical… more
    Intuitive Research and Technology Corporation (10/15/25)
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  • ILS Principal Systems

    RTX Corporation (Tucson, AZ)
    …problems that create a safer, more secure world. Life Cycle Engineering (LCE) is seeking Principal Systems Engineers based out of Tucson, AZ. In this role, you ... will be involved in all aspects of system sustainment. You will also be responsible for executing...executing and managing tasks in the areas of Integrated Logistics Support (ILS), Sustainment Analysis, and Sustainment Planning. This… more
    RTX Corporation (10/24/25)
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  • Principal Systems Engineer

    RTX Corporation (Aberdeen, MD)
    …We have an immediate and upcoming career growth opportunities for an experienced ** Principal Systems Engineer ** to join our dynamic, talented, and ... * Work closely with an Integrated Program Team (IPT) supporting a Model Based Systems Engineering (MBSE) environment to develop system requirements * Analyze and… more
    RTX Corporation (10/09/25)
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  • Technical Fellow Senior Principal III…

    BAE Systems (Boulder, CO)
    **Job Description** The SIGINT Mission Chief Engineer (MCE) serves as the principal technical authority, responsible for leading a cross-functional team and ... be available based on position level and/or job specifics. **Technical Fellow Senior Principal III SIGINT Mission Chief Engineer ** **115754BR** EEO Career Site… more
    BAE Systems (09/12/25)
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  • Principal System Engineer

    KBR (Chevy Chase, MD)
    Title: Principal System Engineer /Enterprise Architect Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering ... + Innovative Projects: KBR's work is at the forefront of engineering, logistics , operations, science, program management, mission IT and cybersecurity solutions. +… more
    KBR (10/08/25)
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  • Sentinel - Sr Principal Systems

    Northrop Grumman (Roy, UT)
    …launch your career today. Northrop Grumman Defense Systems is seeking a **Sr** ** Principal Systems Engineer ** . This position is located in **Roy, UT** ... 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 (11/01/25)
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  • Principal RF Payload Integration & Test…

    Northrop Grumman (El Segundo, CA)
    …confirmation.** Northrop Grumman's Aeronautics Systems sector is seeking a ** Principal ** **RF Payload Integration & Tes** t ** Engineer /Sr. Principal ... be located in **El Segundo, CA.** **This position may be filled by either at the Principal RF Payload Integration & Test Engineer level OR at the Sr. … more
    Northrop Grumman (10/18/25)
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  • Principal Systems Engineer

    Sierra Nevada Company, LLC (Plano, TX)
    …more about NC3 and SAOC here (https://www.sncorp.com/capabilities/nc3- systems /) . Are you a Systems Engineer interested in working on one of the largest and ... command-and-control fleet. We need you! We are seeking a highly skilled Senior Systems Cybersecurity Engineer with a strong background in cybersecurity to join… more
    Sierra Nevada Company, LLC (11/15/25)
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  • Principal Systems Engineer

    Sierra Nevada Company, LLC (Plano, TX)
    …more about NC3 and SAOC here (https://www.sncorp.com/capabilities/nc3- systems /) . Are you a Systems Engineer who is interested in working on one of the ... fleet. We need you! At SNC, you'll work on cutting-edge defense systems , owning full system lifecycle responsibilities (requirements, modeling, simulation, test,… more
    Sierra Nevada Company, LLC (11/20/25)
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