• Staff Information Security Engineer

    Zscaler (Mclean, VA)
    …Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. ... strategy. We are looking for a Staff Information Security Engineer who will operate as a vulnerability management ...adhering to one-way diode transfer protocols.** Reporting to the Senior Manager of Information Security Engineering, you will be… more
    Zscaler (01/10/26)
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  • Security Engineer

    Tetrad Digital Integrity LLC (Arlington, VA)
    …vulnerabilities in this digital age. TDI has an immediate need for a Security Engineer for a customer on a highly visible and strategic Cybersecurity Task Order. The ... Security Engineer will need to be a self-starter with excellent...ad-hoc vulnerability scans across various environments. + Analyze vulnerability data to identify trends, patterns, and potential impacts. +… more
    Tetrad Digital Integrity LLC (01/08/26)
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  • Modeling and Simulation Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Alexandria, VA)
    Modeling and Simulation Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact on ... a Modeling and Simulation ( M & S ) Engineer , you will design and implement advanced models to...support the acqui sit ion community in making smarter, data -driven investment choices for next-generation warfare technologies. Along the… more
    BOOZ, ALLEN & HAMILTON, INC. (12/19/25)
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  • Software Engineer

    SAIC (Reston, VA)
    **Description** SAIC has an immediate opening for a Software Engineer to maintain, upgrade, and develop as necessary a custom software solution critical to the daily ... an application framework hosting a SQLite database. The Software Engineer candidate will also work within a team to...to support development of scripts and tools to support data collection and automation of lab-based hardware testing. **Roles… more
    SAIC (12/13/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    Linux Engineer Location: Chantilly, VA, US Job ID: ATR 17717 Job Description Job Title: Linux Engineer Location: Chantilly, VA Eligibility:Top Secret/SCI ... required The Systems Engineering team is seeking a driven Senior Linux/UNIX Systems Administrator that is highly technical and...level Linux/UNIX Administrator, experienced in managing large amounts of data and storage at sites all over the world.… more
    Arena Technical Resources, LLC (11/29/25)
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  • Systems Engineer ( Engineer Systems…

    HII (Suffolk, VA)
    …and commercial customers. Our capabilities range from C5ISR, AI and Big Data , cyber operations and synthetic training environments to fleet sustainment, ... Range: $135,954.00 - $208,000.00 Security Clearance: Secret Level of Experience: Senior This opportunity resides with Global Security (GS). Mission Technologies'… more
    HII (12/18/25)
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  • Sr. Sales Engineer

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber, data operations , systems integration and intelligence mission support services to meet our ... customers' most demanding challenges. Our capabilities include cyber space operations , cyber defense and resiliency, vulnerability research, ubiquitous technical… more
    Nightwing (12/12/25)
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  • Cloud Engineer 3

    Huntington Ingalls Industries (Suffolk, VA)
    …and commercial customers. Our capabilities range from C5ISR, AI and Big Data , cyber operations and synthetic training environments to fleet sustainment, ... $140,000.00 Security Clearance: Ability to Obtain Level of Experience: Senior This opportunity resides with Global Security (GS). Mission...leading the next evolution of national defense - the data evolution - by accelerating a breadth of national… more
    Huntington Ingalls Industries (01/06/26)
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  • RF Spectrum Policy Engineer , Lead

    Huntington Ingalls Industries (Arlington, VA)
    …and commercial customers. Our capabilities range from C5ISR, AI and Big Data , cyber operations and synthetic training environments to fleet sustainment, ... Salary Range: $129,850.00 - $200,000.00 Security Clearance: Secret Level of Experience: Senior This opportunity resides with Warfare Systems (WS), a business group… more
    Huntington Ingalls Industries (12/12/25)
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  • SharePoint Engineer (Back End) - TS/SCI

    General Dynamics Information Technology (Sterling, VA)
    …today is safe and tomorrow is smarter. Our work depends on a SharePoint Engineer joining our team to support Government activities in Annapolis Junction, MD or ... environment in delivering Enterprise Apps services. As a SharePoint Engineer supporting the Government, charged with engineering solutions which integrate… more
    General Dynamics Information Technology (01/08/26)
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