• Network Emulation Engineer

    CACI International (Chantilly, VA)
    Network Emulation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular ... data, tools, and process** **Address gaps within defenses by improving systems and processes** **Develop approaches to automating cybersecurity operations, reducing… more
    CACI International (10/28/25)
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  • Network Security Engineer III

    Imagine One Technology & Management (Virginia Beach, VA)
    …Requirements:** + US Citizenship required + Candidate must have an ACTIVE SECRET clearance (with TS /SCI eligibility) **Imagine One Technology & Management, ... Imagine One is currently seeking qualified **Network Security Engineer III** individuals to join our team to...Designs, installs, maintains and coordinates the use of network systems . Evaluates hardware and software and peripheral equipment for… more
    Imagine One Technology & Management (11/12/25)
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  • Lowband Software Support Engineer Expert…

    RTX Corporation (Langley AFB, VA)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI - Current Raytheon Company Managed by Collins Aerospace Collins Aerospace, an ... and analyses intelligence information from airborne, ground, and other systems . **What You Will Do** ​ + Manages multiple...CAP, etc.) + Active and transferable US government issued TS /SCI security clearance is required prior to start date… more
    RTX Corporation (01/10/26)
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  • Data Engineer

    Nightwing (Sterling, VA)
    …the intelligence community, defense, civil, and commercial markets. Job Title: Data Engineer Location: Sterling, VA **Clearance: TS /SCI Poly** **This position is ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (12/26/25)
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  • Engineer Network 3

    Huntington Ingalls Industries (Langley AFB, VA)
    …Time/Salaried/Exempt Anticipated Salary Range: $88,834.00 - $125,000.00 Security Clearance: TS /SCI Level of Experience: Mid This opportunity resides with Warfare ... Systems (WS), a business group within HII's Mission Technologies...CCNA, CCNP, or equivalent are highly desirable. + Active TS /SCI clearance. + Must have Security+ or equivalent Cybersecurity… more
    Huntington Ingalls Industries (01/10/26)
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  • Optical Test Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a mid-level Optical Test Engineer with NRO experience to provide Systems Engineering and Technical Advisory (SETA) services to a ... National Reconnaissance Office's (NRO) space resiliency posture. The optical test engineer should have technical and practical understanding of electro-optical and… more
    SAIC (01/10/26)
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  • Mid-Level Modeling and Simulation Engineer

    KBR (Chantilly, VA)
    Title: Mid-Level Modeling and Simulation Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense.… more
    KBR (12/16/25)
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  • Nautical

    UIC Government Services and the Bowhead Family of Companies (Alexandria, VA)
    …Cloud Application Developer - Master + Cloud Application Developer - SME + DevSecOps Engineer - Journeyman + DevSecOps Engineer - Senior + DevSecOps Engineer ... Journeyman + Technical Writer - Senior + Lead Cloud Engineer + Lead Legacy System Engineer +...Master + IT Training Specialist - SME + Cloud Systems Architect - Senior + Cloud Systems … more
    UIC Government Services and the Bowhead Family of Companies (10/30/25)
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  • DevSecOps Engineer

    Lockheed Martin (Herndon, VA)
    …ensure that scientists and engineers will be able to fully utilize modern HPC systems \. We are seeking a DevOps Engineers familiar with Unix/Linux/SE for our Data ... use cases, design, coding, documentation and testing * Security\+ Certification * TS /SCI with Poly security clearance required to start **Desired Skills:** *… more
    Lockheed Martin (01/07/26)
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  • Software Engineer

    SAIC (Chantilly, VA)
    …a bi-directional AWS API Gateway capable of sending and pulling data from various source systems over a secure network. In this role you will work closely with over ... is located in **Chantilly, VA** and requires an **active TS /SCI clearance with Polygraph** . This project is part...Sponsor effort to migrate portions or all of payroll systems to a new-shared service provider. Priorities will be… more
    SAIC (11/14/25)
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