• Principal / Sr . Principal

    Northrop Grumman (Chantilly, VA)
    …development team and management to prioritize bugs until resolution **Basic Qualifications for a Sr . Principal Cyber Software Test Engineer:** + ... career. We are looking for you to join our team as a ** Principal ** ** Cyber Software Test Engineer** and ** Sr . Principal ** ** Cyber Software more
    Northrop Grumman (11/01/25)
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  • Sr . Principal Cyber

    Northrop Grumman (Chantilly, VA)
    …the best work of your career. **Northrop Grumman Mission Systems** is seeking an experienced ** Senior Principal Cyber Software Engineer** to join our ... 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 the… more
    Northrop Grumman (10/21/25)
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  • Sr Principal Cybersecurity…

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

    SAIC (Chantilly, VA)
    …solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software ; advanced analytics and simulation; and training. We ... in evaluating developer technical performance. **Qualifications** + Experience with SIGINT and cyber capability design. + Ability to work independently and act as… more
    SAIC (10/29/25)
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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)… more
    Nightwing (09/12/25)
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  • Sr . Full Stack Developer CMPRS

    SAIC (Ashburn, VA)
    **Description** **SAIC** is currently seeking a motivated, career and customer-oriented Principal Software Engineer to join our team in Ashburn, VA to begin an ... solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software ; advanced analytics and simulation; and training. We… more
    SAIC (09/20/25)
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  • Contracts Senior Principal

    SAIC (Chantilly, VA)
    …and Enterprise IT. SAIC's Business Enablement organization is seeking a Contracts Senior Principal to manage contracts/proposals with various National Security ... solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software ; advanced analytics and simulation; and training. We… more
    SAIC (10/24/25)
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  • Software Developer - Principal

    Parsons Corporation (Chantilly, VA)
    …Parsons Corporation is currently searching for a full-time **P** **rincipal Software Developer** position at our Chantilly, VA location. This will lead ... process, from understanding customer requirements, to design, development, testing and deployment. Senior members at BRE also directly assist with winning new work,… more
    Parsons Corporation (10/21/25)
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  • Acquisition Systems Engineer Senior

    SAIC (Chantilly, VA)
    …solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software ; advanced analytics and simulation; and training. We ... are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC… more
    SAIC (10/23/25)
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  • Data Scientist Principal

    SAIC (Ashburn, VA)
    …solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software ; advanced analytics and simulation; and training. We ... + We are currently seeking a motivated, career and customer-oriented **Data Scientist ( Senior )** to join our team to begin an exciting and challenging career in… more
    SAIC (10/11/25)
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  • Software Developer (Systems Software

    General Dynamics Information Technology (Herndon, VA)
    …who share your dedication to advancing innovation. Transform technology into opportunity as a Software Developer Sr Principal at GDIT. Shape what's next for ... SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Software Engineering **Skills:** GitHub,Java,Linux,Shell Scripting **Experience:** 8 + years of… more
    General Dynamics Information Technology (10/16/25)
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  • Data Engineer (TS/SCI with Polygraph Required)

    General Dynamics Information Technology (Chantilly, VA)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** DATA ENGINEER SR PRINCIPAL The Data Engineer will work closely with the team ... training, or work/military experience + 10+ years of related software engineering experience. **REQUIRED** **QUALIFICATIONS** + Experience with the following… more
    General Dynamics Information Technology (09/27/25)
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  • Space Systems Integration Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking an experienced **Space Systems Integration Engineer ( Senior Principal )** to support SAIC's Prime Program, Tranche 3 Program ... and requires a Top Secret clearance. As the Space Systems Integration Engineer ( Senior Principal ), you will be supporting the Systems Engineering and Integration… more
    SAIC (10/02/25)
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  • Biosolids Dewatering Technical Expert

    Parsons Corporation (Centreville, VA)
    …**Job Description:** We are seeking a highly experienced and innovative ** Principal Technical Consultant** with expertise in wastewater treatment plant design and ... engineering. This senior -level role combines advanced technical consulting, project leadership, and subject matter expertise to deliver cutting-edge solutions for… more
    Parsons Corporation (09/05/25)
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