• 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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  • Senior Principal Cyber

    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 ... + A Bachelor's degree or 4+ additional years of cyber experience in lieu of a degree + 10+...centers + Hands-on experience deploying and/or supporting enterprise security software products such as firewalls, IPS, Anti-Virus solutions, application… more
    ManTech (12/13/25)
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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 (12/12/25)
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  • Contracts Senior Principal

    SAIC (Reston, VA)
    …Business Enablement organization is seeking an experienced and highly adaptable Contracts Senior Principal to manage contracts/proposals in the Army Business ... solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software ; advanced analytics and simulation; and training. We… more
    SAIC (12/03/25)
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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 (12/11/25)
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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 (11/21/25)
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  • Principal Associate, TRM Controls Review

    Capital One (Mclean, VA)
    Principal Associate, TRM Controls Review Capital One is one of the fastest growing organizations in the world today, powered by our passion for our customers. We are ... driving innovation through technology, we equally prioritize cybersecurity, reliability, software quality, and data management. Technology & Data Risk Management… more
    Capital One (12/20/25)
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  • Principal Associate, Business Risk Guide-…

    Capital One (Mclean, VA)
    Principal Associate, Business Risk Guide- Enterprise Services Risk Office We are hiring! The Enterprise Services Business Risk Office provides risk management ... Brand, Enterprise Supplier Management, Enterprise Products & Experience (EPX), Software , External Affairs, eData, Global Workplace Solutions, Emerging Payments,… more
    Capital One (11/22/25)
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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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  • Systems Acquisition, Principal

    The MITRE Corporation (Mclean, VA)
    …agile software development methodologies, DevOps, and/or cloud-based capabilities + Cyber security or cyber operations + Conventional/nuclear command and ... The team may publish, speak at high visibility events, and advise senior government officials. + Effectively engage and motivate sponsors, stakeholders, and the… more
    The MITRE Corporation (12/24/25)
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  • Program Control Analyst Principal

    SAIC (Chantilly, VA)
    …solutions in systems engineering and integration; enterprise IT, including cloud services; cyber ; software ; advanced analytics and simulation; and training. We ... convey resource trade- offs within and among competing programs and provide senior managers with resource alternatives. + Analyze contract budget and financial data… more
    SAIC (12/11/25)
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  • Network Engineer Senior

    General Dynamics Information Technology (Germantown, MD)
    …of related experience **US Citizenship Required:** Yes **Job Description:** NETWORK ENGINEER SR PRINCIPAL Transform technology into opportunity as a Network ... Engineer Sr Principal at GDIT. Shape what's next...and recovery capability Coordinates the acquisition of hardware and software as well as subcontractor services as needed Creates… more
    General Dynamics Information Technology (11/25/25)
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  • (USA) Principal , Risk Expert

    Walmart (Herndon, VA)
    …Join Walmart's Global Tech Policy & Security Advisors Team as a senior contributor shaping technology and information security policies for the world's largest ... continuous improvement, leveraging expertise in risk analysis, stakeholder management, and cyber security to protect business operations and drive innovation. Your… more
    Walmart (11/27/25)
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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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  • Field Engineer (Full Performance, Senior

    Parsons Corporation (Sterling, VA)
    …installation, maintenance, and field-related sustainment work worldwide. Field Engineer, Associate Principal : BS 10-12, MS 8-10, Phd 5-7 Field Engineer, Senior ... 8-10, MS 6-8, PhD 3-5 Field Engineer, Full Performance Senior : BS 5-7 Years, MS 3-5, PhD 0-2 **What...logistical work + Participate in testing and evaluation of software and hardware upgrades at the warehouse laboratory and… more
    Parsons Corporation (12/18/25)
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  • Senior Data Engineer

    BCMC (Dulles, VA)
    …Account (FSA) for dependent & health care 11 standard holidays & 3 weeks of annual leave Software Engineer - Principal I - ESW05 DOM-TO9-3482 Powered by JazzHR ... build, deliver, and operate a network operations environment including introducing new cyber capabilities to address emerging threats. BCMC is seeking a Senior more
    BCMC (12/11/25)
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