• Adelphi (Mclean, VA)
    Company: Adelphi Data, Inc. Title: Senior / Principal Software Engineer Location: NYC or McLean, VA Reporting To: CEO About Adelphi: Adelphi is building ... and intelligence sectors. This role requires a mix of software development and ML Ops practices, resulting in an...the full data stack: from the data management, to software development and deployment lifecycles. Experience in the defense… more
    job goal (01/14/26)
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  • Adelphi (Mclean, VA)
    A technology company specializing in data infrastructure is seeking a Senior / Principal Software Engineer to develop secure data sharing middleware for ... national security and intelligence. The role involves software development and ML Ops practices, requiring a proactive approach to solving complex challenges. Ideal… more
    job goal (01/14/26)
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  • SnaKORPIO GROUP (Mclean, VA)
    Overview JOB DESCRIPTION: The Cloud Solutions Network Engineer is part of the Cloud Center of Excellence (CCOE) and responsible for delivering on the transport ... services technologies to the published product roadmap. The Cloud Solutions Network Engineer will partner with cross functional teams to deliver integrations and… more
    job goal (01/14/26)
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  • Senior Principal Software

    Mastercard (Arlington, VA)
    …help people, businesses and governments realize their greatest potential._ **Title and Summary** Senior Principal Software Engineer , Data Architecture ... Overview: Mastercard's Data & Analytics is seeking a visionary and results-oriented Senior Principal Software Engineer , Data Architecture to lead the… more
    Mastercard (10/17/25)
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  • Sr. Principal Software

    Northrop Grumman (Falls Church, VA)
    …employees are not only part of history, they're making history. Northrop Grumman is hiring a senior principal software engineer to join our Insights & ... with robust testing for integration components, treating data pipelines as production-grade software . + Collaboration: Work directly with Senior Data Engineers… more
    Northrop Grumman (01/10/26)
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  • Senior Software Engineer

    Capital One (Mclean, VA)
    Senior Software Engineer , Android ( Principal Associate Do you love building and pioneering in the technology space? Do you enjoy solving complex business ... number of hours to be regularly worked. McLean, VA: $158,600 - $181,000 for Senior Software Engineer Candidates hired to work in other locations will be… more
    Capital One (12/28/25)
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  • Principal / Sr. Principal DevOps…

    Northrop Grumman (Chantilly, VA)
    …& mission operations This requisition may be filled at either the ** Principal DevOps Software Engineer ** or ** Senior Principal DevOps Software ... theories, concepts, and techniques **Basic Qualifications for** ** Senior Principal DevOps Software Engineer ** **:** + Must have a Bachelor's degree… more
    Northrop Grumman (12/04/25)
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  • Sr. Principal Cyber Software

    Northrop Grumman (Chantilly, VA)
    …of your career. **Northrop Grumman Mission Systems** is seeking an experienced ** Senior Principal Cyber Software Engineer ** to join our team supporting a ... will be located at a Mission Systems Sector site in Chantilly, VA. As a Senior Software Engineer on the Mobile Development team, you will be responsible for… more
    Northrop Grumman (10/21/25)
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  • Principal or Senior Principal

    Northrop Grumman (Fairfax, VA)
    …Aeronautics Systems is looking to add a ** Principal or Senior Principal Network and Communications Field Service Engineer ** to our team at **RAAF Base ... of Comms and Networks equipment to include radio terminals, software loads, switches, routers, and firewalls required to support...filled at either the Principal Field Service Engineer OR Senior Principal Field… more
    Northrop Grumman (12/04/25)
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  • Principal , Software Engineer

    Walmart (Herndon, VA)
    …the Global Technology Network Engineering and Operations Team:** The Principal Network Engineer will report to the Senior Director of Network Engineering and ... **Position Summary ** **What you'll do ** As a Principal Engineer , you will play an important...do at Walmart Global Tech. We're a team of software engineers, data scientists, cybersecurity expert's and service professionals… more
    Walmart (12/31/25)
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  • Senior Principal Cyber…

    Nightwing (Sterling, VA)
    …in the intelligence community, defense, civil, and commercial markets. **Sr. Principal Cyber Engineer ** Nightwing provides technically advanced full-spectrum ... challenging, meaningful work that is vital to our national security, apply today! ** Principal Cyber Engineer ** Cyber Offense and Defense Experts (CODEX) is… more
    Nightwing (01/09/26)
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  • Senior Principal Cyber Security…

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role ... **Responsibilities include but are not limited to:** + You will engineer , design, implement, integrate, and sustain Comply-to-Connect (C2C) deployment support to… more
    ManTech (12/13/25)
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  • Acquisition Systems Engineer Senior

    SAIC (Chantilly, VA)
    …part of an exciting and innovative set of programs. The **Acquisition Systems Engineer ** provides support to the Systems Program Office (SPO) in acquisition and ... execution of mission critical systems. The Acquisition Systems Engineer is part of a team of high-performing subject matter experts (SMEs) responsible for planning,… more
    SAIC (11/21/25)
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  • Principal /Sr. Principal Cyber…

    Northrop Grumman (Fairfax, VA)
    …instruction, demos, and training to individuals and groups. **Basic Qualifications for a Senior Principal Cyber Systems Engineer :** + A security clearance ... global security environments, Northrop Grumman brings informed insights and software -secure technology to enable strategic planning. We're looking for...looking for you to join our team as a Principal Cyber Systems Engineer or Sr. … more
    Northrop Grumman (11/21/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …the full benefits package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer ) to join our team in support of our team ... be considered and must be eligible to obtain a Top Secret clearance. The Principal Network Systems Engineer will be responsible for leading day-to-day operations… more
    Saliense Consulting (01/06/26)
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  • Lead/ Principal ASME Codes and Standards…

    MPR Associates (Alexandria, VA)
    …solutions applicable from conceptual design to full qualification. Duties/Responsibilities The Lead/ Principal ASME Codes and Standards Engineer will: + Plan, ... firm, is actively seeking a capable and motivated Lead/ Principal ASME (American Society of Mechanical Engineers) Codes and...ASME (American Society of Mechanical Engineers) Codes and Standards Engineer to join our team. If you are seeking… more
    MPR Associates (10/30/25)
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  • Principal /Sr Principal GNC…

    Northrop Grumman (Dulles, VA)
    …Space Systems is seeking a motivated candidate that will fill the position of Principal / Senior Principal Engineer within our Spacecraft Guidance, ... spacecraft navigation, robotics, and/or embedded processing is preferred. A spacecraft GNC engineer is expected to: + Design, develop, integrate, and test machine… more
    Northrop Grumman (12/09/25)
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  • Command, Control, Communications, and Battle…

    Chenega Corporation (Fort Belvoir, VA)
    Command, Control, Communications, and Battle Management (C3BM) Principal Systems Engineer Ft. Belvoir, VA Join our Talent Network Command, Control, ... Communications, and Battle Management (C3BM) Principal Systems Engineer Ft. Belvoir, VA Are...BC contractors, and MDS Elements. + Participate in C2BMC software engineering reviews and analyses for developing C2BMC Spiral… more
    Chenega Corporation (12/14/25)
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  • Principal Engineer , Amazon…

    Amazon (Arlington, VA)
    …that delight our customers and advance our technology. Key job responsibilities As a Principal Software Engineer , you will: Serve as a technical leader ... both visionary leaders and hands-on builders. As Amazon's most senior individual contributors, Principal Engineers work on...admit the luxury of a conservative approach. Amazon offers software engineers the opportunity to make an impact in… more
    Amazon (11/14/25)
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  • Principal RF Engineer

    CACI International (Springfield, VA)
    Principal RF Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel ... Continental US * * * CACI is hiring a Principal Electrical Engineer that will Leads project...TS/SCI to begin employment **Duties:** + Serves as the senior technical consultant on this Task Order. + Serves… more
    CACI International (10/31/25)
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