• Senior Principal Software Interface Lead

    Northrop Grumman (Jessup, MD)
    …for Senior Principal SW Interface Lead:** * Current active DoD TS /SCI with Polygraph clearance * STEM degree in Electrical Engineering, Computer Engineering, or ... 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 (12/05/25)
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  • Principal Modeling & Simulation Operations…

    RTX Corporation (El Segundo, CA)
    …Modeling & Simulation experience in the defense industry **Qualifications We Prefer** + Active Top Secret clearance + Advanced degree in STEM (and can be ... US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our… more
    RTX Corporation (11/13/25)
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  • Sr Principal Software Developer

    Oracle (Reston, VA)
    …root cause analysis for critical issues. **Capacity and Performance Management** : Architect and implement systems to monitor, predict, and optimize ... **Job Description** ** Architect Operational Processes** : Design and implement scalable and automated operational processes for incident management, change… more
    Oracle (12/31/25)
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  • Senior/ Principal Software Engineer…

    Sandia National Laboratories (Livermore, CA)
    …mission partners. + Active DOE Q/SCI security clearance or equivalent DOD Top Secret /SCI security clearance. About Our Team: The Special Programs ... Technology staff, management, and customers to implement solutions that address requirements. Architect software systems , develop code, write unit tests, and… more
    Sandia National Laboratories (12/16/25)
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  • Systems Engineer, Staff Principal

    BigBear.ai (Columbia, MD)
    …advanced IT systems . You'll work independently and collaboratively to: + Architect and enhance complex IT systems that support national security missions. ... environments and is passionate about building, maintaining, and optimizing mission-critical systems . If you're ready to lead innovative projects, shape future… more
    BigBear.ai (11/27/25)
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  • Sr. Principal Digital Engineer (GPS Navwar)

    Northrop Grumman (Dayton, OH)
    …and RTOS environments + Experience with GNU Radio or software-defined radios + Active Top Secret security clearance + Proven skills to include: team leadership, ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Interim Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our… more
    Northrop Grumman (11/13/25)
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  • Principal Mbse SME

    Belcan (Fairborn, OH)
    …361216 Category: -Corporate Description: Belcan Government Solutions (BGS) is seeking a Principal Model Based Systems Engineering (MBSE) Subject Matter Expert ... (SME). As a Principal Model Based Systems Engineer, you will...Citizenship required Desired Qualifications: * OCSMP Certification * Active Secret Security Clearance or ability to obtain TS more
    Belcan (11/13/25)
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  • Principal Software Development Engineer…

    Oracle (Montpelier, VT)
    …Government Defense Intelligence (GDI) division. **Responsibilities** **Responsibilities** Our Principal engineers are technical leaders in our government clouds. ... influence the profitability and scalability of OCI's government cloud solutions. + ** Architect and Design** : Lead the design and architecture of microservices that… more
    Oracle (12/20/25)
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  • Optical Architecture and Analysis Principal

    Lockheed Martin (Sunnyvale, CA)
    …The successful candidate will demonstrate mastery of optical design of complex systems , error budgeting, and analysis of operational data collected from those ... systems \. You will posses a breadth of knowledge required to architect complex optical payloads to meet mission\-level requirements\. You will lead… more
    Lockheed Martin (11/01/25)
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  • Principal Software Engineer - 25k Sign…

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Software Enginee** r in our **National Security Sector's (NSS) Cyber & Analytics ... to support a high-stakes, mission-critical program. In this role, you'll help architect , develop, and integrate software solutions that shape national security and… more
    Leidos (12/13/25)
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