• 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 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 ... global security environments, Northrop Grumman brings informed insights and software -secure technology to enable strategic planning. We're looking for innovators… more
    Northrop Grumman (10/07/25)
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  • Sr. Software Engineer , Full Stack…

    Capital One (Mclean, VA)
    Sr. Software Engineer , Full Stack (Bank Tech) ** Senior Software Engineer , Full Stack ( Principal Associate - ITSG45)** Do you love building and ... upon number of hours to be regularly worked. McLean, VA: $158,600 - $181,000 for Senior Software Engineer Richmond, VA: $144,200 - $164,600 for Senior more
    Capital One (08/22/25)
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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 **Reston, VA.** This is an onsite position. The ... ** Principal Software Engineer ** will work...to communicate, converse, and exchange information with peers and senior personnel + Constantly operates a computer and other… more
    ManTech (09/10/25)
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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 (10/02/25)
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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 (08/22/25)
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  • Principal /Sr. Principal Systems…

    Northrop Grumman (Dulles, VA)
    …5 years of experience; MS in STEM or related area and 3 years of experience. + ** Senior Principal Engineer Level (T4)** - BS in STEM - Science, Technology, ... Systems Sector seeks a qualified Principal or Senior Principal Systems Engineer for...Engineer for the role of Ground Segment Systems Engineer for a Ground/Mission Software program. This… more
    Northrop Grumman (10/17/25)
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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 (10/01/25)
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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 (07/31/25)
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  • Principal /Sr. Principal Electronics…

    Northrop Grumman (Chantilly, VA)
    …or training in basic Surface Mount Technology (SMT) soldering and assembly skills. ** Senior Principal Electronics Engineer ** **Basic Qualifications:** + Must ... Signals Intelligence Mission Solutions (SMS) Department. This role can be filled as a Principal or Sr. Principal Electrical Engineer . ** Principal more
    Northrop Grumman (10/16/25)
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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 (09/14/25)
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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 (08/15/25)
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  • Principal Electrical Engineer

    CACI International (Springfield, VA)
    Principal Electrical Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... 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 (08/02/25)
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  • Lead/ Principal Nuclear Engineer

    MPR Associates (Alexandria, VA)
    …team and project management responsibilities will be included. Duties/Responsibilities The Lead/ Principal Nuclear Engineer will: + Plan, lead, and enable the ... consulting firm, is actively seeking capable and motivated Lead/ Principal Nuclear Engineers to join our team. If you...test facilities. We are currently seeking an experienced nuclear engineer to guide, challenge, and mentor our growing team… more
    MPR Associates (09/26/25)
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  • Sr Principal Cybersecurity Analyst/Network…

    Northrop Grumman (Chantilly, VA)
    …including but not limited to Standard Operating Procedures and VISIO diagrams. ** Senior Principal Cyber Systems Engineer Basic Qualifications:** + ... our diverse team of engineers, system administrators, and operators as a Sr. Principal Cyber Systems Engineer professional in Chantilly, VA. The successful… more
    Northrop Grumman (10/02/25)
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  • Sr Principal Network Engineer

    Northrop Grumman (Fairfax, VA)
    …a part of our mission! Northrop Grumman Space Systems (NGSP) seeks to fill a ** Senior Principal Network Engineer ** in the Payload and Ground Systems Division ... LAN/WAN environment and provide specific detailed information for hardware and software selections, implementation techniques and tools for the most efficient… more
    Northrop Grumman (08/31/25)
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  • Principal Network Engineer

    Leidos (Mclean, VA)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Network Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... forefront in Security Engineering, Computer Network Operations (CNO), Mission Software , Analytical Methods and Modeling, Signals Intelligence (SIGINT), and… more
    Leidos (10/10/25)
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  • Senior Software Engineer

    ICF (Reston, VA)
    …delivering an integrated solution. **The work:** We are looking for a **Backend Software Engineer ** with solid fundamentals in backend development and expertise ... and scalability** . This role is open to mid-level to principal -level professionals, depending on experience. **Key Responsibilities:** + Design and develop… more
    ICF (09/26/25)
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  • Software Engineer - Level 3 or 4

    Northrop Grumman (Fairfax, VA)
    …+ PhD with 1 year of software development experience + **Level 4** : ( Senior Principal level) + Bachelor's degree with 8 years of software development ... your pioneering spirit to our collaborative teams. This _Software Engineer - Level 3 or 4_ role will be...will:** + Design, develop, document, test and debug applications software and systems that contain logical and mathematical solutions.… more
    Northrop Grumman (09/25/25)
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  • Senior Cyber Engineer

    Nightwing (Sterling, VA)
    …customers in the intelligence community, defense, civil, and commercial markets. ** Senior 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 (09/12/25)
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