• Java Developer

    Koniag Government Services (Vienna, VA)
    …testing, deployment, and support for new or existing IT application software on Unclassified, Secret and Top Secret enclaves. Development currently uses the ... Services company, is seeking a Java Developer with a TS /SCI security clearance to support Kadiak and our government...position offers a hybrid work schedule (3 days onsite, 2 days telework). We offer competitive compensation and an… more
    Koniag Government Services (10/18/25)
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  • Physical Security Engineer 4

    M. C. Dean (Chantilly, VA)
    …a **Physical Security Engineer 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will be ... Documents, Requirements Specifications, and Interface Control Documents + Perform complex system troubleshooting for ACS/IDS/CCTV systems + Configuration and… more
    M. C. Dean (10/23/25)
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  • 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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  • Software Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    Software Engineer Location: Chantilly, VA, US Job ID: ATR 17138 Job Description This is an opportunity to join a team of highly skilled TS /SCI professionals who ... Innovation in critical areas such as image processing and analysis, RF Systems , sensor calibration, waveform processing, and signal analysis will be conducted in… more
    Arena Technical Resources, LLC (11/15/25)
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  • F5 Load Balance Network Engineer

    Leidos (Alexandria, VA)
    …**_Your greatest work is ahead!_** Leidos is seeking a F5 Load Balance Network Engineer to support a large enterprise IT contract for the DOD. This role is ... upgrading to new technologies, tuning performance, and implementation of critical system patches. This infrastructure may include on-premises and cloud resources.… more
    Leidos (11/05/25)
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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 ... defining interface requirements, building a to-be architecture, performing comprehensive system testing, and ultimately, deploying an integrated internal and… more
    SAIC (11/14/25)
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  • Amazon Dedicated Cloud Engineer , Platform…

    Amazon (Arlington, VA)
    …most complex technical problems? Do you have a deep passion and desire to engineer and operate the world's largest cloud computing infrastructure to build a better ... building some of the largest and most complex distributed systems in the world, and we need adaptable people...candidate selected must currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires… more
    Amazon (11/13/25)
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  • Sr. Network Engineer

    Arena Technical Resources, LLC (Reston, VA)
    …, design, implementLANs/WANs/site-to-site VPNs/point-to-point/point- to multipoint. Serve as network systems engineer overseeing servers, storage and backup ... Sr. Network Engineer Location: Reston, VA, US Job ID: ATR... Location: Reston, VA - Onsite, SCIF Environment Eligibility: TS /SCI with CI Polygraph Job Description: The job duties… more
    Arena Technical Resources, LLC (10/23/25)
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  • Modeling And Simulation Engineer

    KBR (Chantilly, VA)
    Title: Modeling And Simulation Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology ... 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 (11/07/25)
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  • Software Integration Engineer

    Leidos (Chantilly, VA)
    …+ Perform system integration and experience integrating services from different systems + Help remove impediments and raise larger issues to the Program ... experience in strong authentication technologies and protocols (eg, PKI, SSL) + System administration skills with Linux systems + Knowledge of software… more
    Leidos (08/28/25)
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