• Principal / Sr . Principal

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

    Northrop Grumman (Chantilly, VA)
    …best work of your career. **Northrop Grumman Mission Systems** is seeking an experienced ** Senior Principal Cyber Software Engineer** to join our team ... 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 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:** + ... 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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  • Senior Principal Cyber

    ManTech (Chantilly, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Principal Cyber Security Engineer** to join our team in the **Chantilly, VA.** ... Qualifications** + Bachelor's degree or 4+ additional years of cyber experience in lieu of degree + 10+ years...of degree + 10+ years of experience in a cyber role + Experience with Security Information and Event… more
    ManTech (10/24/25)
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  • Systems Engineer Sr Principal

    SAIC (Chantilly, VA)
    …in evaluating developer technical performance. **Qualifications** + Experience with SIGINT and cyber capability design. + Ability to work independently and act as ... solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software; advanced analytics and simulation; and training. We are a… more
    SAIC (10/29/25)
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  • Senior Principal , Capture…

    L3Harris (Ashburn, VA)
    …sea and cyber domains in the interest of national security. Job Title: Senior Principal , Capture Management Job Code: 30547 Job Location: Palm Bay, FL, ... others) from Gate 1 through order booking . Work effectively with senior business development and program (P&L) leadership as well as program, technical,… more
    L3Harris (10/30/25)
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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 ... as a prime contact on contracts or projects. + Interacts with senior internal and external personnel on significant matters often requiring coordination between… more
    SAIC (10/24/25)
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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 offers,… more
    SAIC (10/23/25)
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  • Principal Process Engineer

    Parsons Corporation (Centreville, VA)
    …potential. Unleash your talent and redefine what's possible. **Job Description:** ** Principal Process Engineer - Wastewater Systems - Los Angeles, CA** ... **OPPORTUNITY** : The **Wastewater Principal Process Engineer** provides technical leadership and project management...other advanced water and wastewater treatment processes.** + The senior project/process engineer is expected to be an effective… more
    Parsons Corporation (10/30/25)
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  • Principal Civil Roadway & Highway Engineer

    Parsons Corporation (Centreville, VA)
    …and redefine what's possible. **Job Description:** **Join Parsons Corporation as a Principal -Level Roadway & Highway Design Engineer** Are you an experienced Civil ... and seasoned professional to join our team as a Principal -Level Roadway & Highway Design Engineer. This is an...Highway Design Engineer. This is an exciting opportunity for senior engineers who are eager to step into project… more
    Parsons Corporation (09/12/25)
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  • System Engineer Principal Uscybercom SETA…

    Sciolex Corporation (Chantilly, VA)
    …briefings for senior decision makers. + Support efforts regarding Space Cyber Vulnerabilities assessments and development of Defensive Cyber Policy for the ... to weekly meetings at NSA Overhead Program Division (OPD), coordinating offensive cyber opportunities for USCYBERCOM and the NRO. Make a difference in securing… more
    Sciolex Corporation (10/14/25)
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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 ... meaningful work that is vital to our national security, apply today! ** Principal Cyber Engineer** Cyber Offense and Defense Experts (CODEX) is seeking… more
    Nightwing (09/12/25)
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  • Data Scientist Principal

    SAIC (Ashburn, VA)
    …+ 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 ... data + Experience working with various forms of biometric algorithms, facial recognition preferred + Familiarity with NIST standards + Master's Degree or higher… more
    SAIC (10/11/25)
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  • Software Developer - Principal

    Parsons Corporation (Chantilly, VA)
    …process, from understanding customer requirements, to design, development, testing and deployment. Senior members at BRE also directly assist with winning new work, ... 75 years of experience, Parsons is uniquely qualified to deliver cyber /converged security, technology-based intellectual property, and other innovative services to… more
    Parsons Corporation (10/21/25)
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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 are a… more
    SAIC (09/20/25)
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  • Software Developer (Systems Software) - TS/SCI w/…

    General Dynamics Information Technology (Herndon, VA)
    …to advancing innovation. Transform technology into opportunity as a Software Developer Sr Principal at GDIT. Shape what's next for mission-critical government ... countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to… 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 ... countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to… more
    General Dynamics Information Technology (09/27/25)
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  • Geospatial Technical SME (TS/SCI with Polygraph…

    General Dynamics Information Technology (Chantilly, VA)
    …related experience **US Citizenship Required:** Yes **Job Description:** GEOSPATIAL ANALYST SR PRINCIPAL The Geospatial Technical identifies entities of interest ... countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to… 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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