• Fannie Mae (Reston, VA)
    …maintaining hardware, technology, and/or processes. *THE IMPACT YOU WILL MAKE* The * Principal Engineer (Director IC), Exchange Platform (APIs, Files, AI ... relevant programming languages * Product Testing including testing and evaluating software , usability testing, UAT, and using relevant product testing technology *… more
    DirectEmployers Association (10/17/25)
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  • Fannie Mae (Reston, VA)
    software , and applications. *THE IMPACT YOU WILL MAKE* The Platform Engineering, Principal Engineer (Director IC) role will offer you the flexibility to make ... etc. *Tools* * Skilled in using UNIX * Experience using APIs for developing or programming software * Skilled in Java * Skilled in using REST API * Skilled in Python… more
    DirectEmployers Association (08/22/25)
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  • Principal Software Engineer

    RTX Corporation (Fulton, MD)
    …a wholly owned subsidiary of Collins Aerospace/RTX and is currently seeking a ** Principal Software Engineer ** who is enthusiastic, hardworking, and proactive ... 8170 Maple Lawn Boulevard , Fulton, MD, 20759 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** The ability to… more
    RTX Corporation (10/24/25)
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  • Senior Principal Software

    RTX Corporation (Fulton, MD)
    …of Raytheon Technologies (RTX). We are currently looking for a talented **Senior Principal Software Engineering,** **who is experienced in either C++ and/or ... Boulevard , Fulton, MD, 20759 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:**...Java, with an aptitude to work on software -intense distributed systems** . The successful candidate will execute… more
    RTX Corporation (10/02/25)
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  • Principal Software Systems…

    RTX Corporation (Sterling, VA)
    …security clearance **Security Clearance:** DoD Clearance: Secret Collins Aerospace is looking for a Principal Software Systems Engineer - IPT Lead with a ... and military customers. https://www.collinsaerospace.com/what-we-do/industries/military-and-defense/navigation/airborne-products/attitude-and-heading-reference-system/athena-gs111r-uas-autopilot-adahrs-pnt-hub As a Software Systems Engineer -… more
    RTX Corporation (10/29/25)
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  • Senior Principal Systems Engineer

    RTX Corporation (Fulton, MD)
    …including a mix of domestic and international pursuits and programs. We are seeking a Principal Systems Engineer to work on-site in Fulton, MD. **What You Will ... Boulevard , Fulton, MD, 20759 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:**...Do** + Serve as a technical lead and systems engineer on challenging software development projects such… more
    RTX Corporation (10/26/25)
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  • Principal Systems Engineer

    RTX Corporation (Fulton, MD)
    …including a mix of domestic and international pursuits and programs. **We are seeking a Principal Systems Engineer to work onsite ** **in Fulton, MD.** **U.S. ... Boulevard , Fulton, MD, 20759 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:**...you will serve as a technical lead and systems engineer on challenging software development projects such… more
    RTX Corporation (10/16/25)
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  • Principal Systems Engineer (MBSE)…

    RTX Corporation (Dulles, VA)
    …that create a safer, more secure world. Raytheon Technologies is seeking a Principal Systems Engineer (MBSE) to provide enterprise-wide systems engineering and ... 6th Avenue Buckley AFB, Aurora, CO, 80011 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable… more
    RTX Corporation (10/13/25)
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  • Senior Principal Systems Engineer

    RTX Corporation (Fulton, MD)
    …8170 Maple Lawn Boulevard , Fulton, MD, 20759 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** The ability to ... industry leader in the development of command and control software systems and operates in a dynamic, complex, fast-paced...In this position, you will serve as a systems engineer with a focus on systems modeling and analysis… more
    RTX Corporation (10/26/25)
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  • Principal Engineer Software

    Northrop Grumman (Annapolis Junction, MD)
    …mechanics to develop radical new energy-efficient computing systems. MDA is seeking a ** Principal Software Engineer ** with demonstrated ability to lead ... supercomputing technologies. **What You'll Get To Do:** As a Principal Software Engineer , you will...is contingent upon clearance.** **This position will serve 100% onsite in Linthicum /** **Annapolis Junction, MD** **_._** **Basic… more
    Northrop Grumman (08/30/25)
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  • Principal Software Engineer

    ManTech (Reston, VA)
    …to join our team in **Reston, VA.** This is an onsite position. The ** Principal Software Engineer ** will work with Network and Systems Engineers to ... include but are not limited to:** + Designing, developing, programming, and modifying software , systems, applications, and tools, both existing and new in the future… more
    ManTech (09/10/25)
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  • Principal Software Engineer

    Corcentric (Bethesda, MD)
    As a Principal Software Engineer at...with occasional travel to our Bethesda, MD office for onsite meetings. At this time, we are unable to ... of opportunity. We look forward to adding you into the mix! As a Principal Software Engineer , you will: + Design and implement .NET-based microservices with… more
    Corcentric (09/26/25)
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  • Principal Software Engineer

    Ford Motor Company (Washington, DC)
    …code the backbone of Ford's Industrial System. **In this position ** As a Principal Software Engineer within the Global Industrial System Analytics ... you will be a hands-on technical leader delivering working software . You will be responsible for design, development, and...preference for a candidate who is available to work onsite in our Dearborn, MI office four days/ week.… more
    Ford Motor Company (10/11/25)
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  • Principal Software Engineer

    ManTech (Reston, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Principal Software Engineer ** to join our team in the **Reston or Chantilly, VA** location. ... This is an onsite position. The successful candidate will be dedicated full-time...dedicated full-time to development and enhancement support for existing software and systems solutions and the development of new… more
    ManTech (09/11/25)
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  • Principal / Senior Principal Data…

    Northrop Grumman (Annapolis Junction, MD)
    …Linthicum or Annapolis Junction, MD. Basic Qualifications for Principal Data Engineer : + Bachelor's degree in data science, software engineering, or related ... and testing methodologies. + Willingness and ability to work onsite full-time. + Applicant must be a US citizen...clearance. Basic Qualifications for Sr. Principal Data Engineer : + Bachelor's degree in data science, software more
    Northrop Grumman (09/30/25)
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  • Principal OR Senior Principal Field…

    Northrop Grumman (Washington, DC)
    …Grumman Aeronautics Systems is looking to add a ** Principal OR Senior Principal Field Service Engineer - Network and Communications** to join our team ... of Comms and Networks equipment to include radio terminals, software loads, switches, routers, and firewalls required to support...location. _This position can be filled at either the Principal Field Service Engineer - Network and… more
    Northrop Grumman (09/17/25)
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  • Principal Systems Engineer

    RTX Corporation (Fulton, MD)
    …Solipsys is a wholly owned subsidiary of Collins Aerospace/RTX and is currently seeking a Software Engineer with experience in Java to join our team who is ... and international pursuits and programs. We are seeking a Principal Systems Engineer to work in Fulton,...week. **What You Will Do** + Serve as an Onsite Systems Engineer and Command and Control… more
    RTX Corporation (10/26/25)
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  • Principal Satellite Systems Engineer

    System One (Rockville, MD)
    …systems. + Hands-On Technical Expert with a passion for technical details. The principal engineer will thrive as a senior individual contributor and is ... sectors, bringing a practical, product-focused mindset. + Multi-Disciplinary Fluency: The principal engineer must possess an SME-level, intuitive understanding… more
    System One (08/23/25)
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  • Principal Software Engineer

    Anthem Engineering (Annapolis Junction, MD)
    …know everything, but we do expect everyone on the team to learn and grow. Onsite work at customer location required Anthem Engineering is an EEO employer. We are ... committed to providing fair and equal employment consideration, regardless of race, color, religion, national origin, gender, sexual orientation, age, marital status or disability. more
    Anthem Engineering (09/22/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …of the full benefits package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer ) to join our team in support of our ... Please note: This role is hybrid with 3 days/week onsite in Arlington, VA. Candidates must possess an active...be eligible to obtain a Top Secret clearance. The Principal Network Systems Engineer will be responsible… more
    Saliense Consulting (10/01/25)
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