• 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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  • Facilities Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a Facilities Engineer with facilities expertise and executive-level briefing experience to support our mission in Chantilly, VA. This ... position requires an active TS /SCI with Polygraph and requires a daily start on-site...procedures + Knowledge and experience with electrical and mechanical systems used in facility operations + Understanding of critical… more
    SAIC (12/31/25)
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  • Network Testing Lab Infrastructure Engineer

    CACI International (Sterling, VA)
    Network Testing Lab Infrastructure Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph ... test setups, and equipment inventory. + Support the installation and updates of software and firmware on lab devices. + Assist in the preparation of lab… more
    CACI International (10/24/25)
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  • Digital Signals Processing Engineer

    CACI International (Sterling, VA)
    …to obtain TS SCI with POLY _Desired:_ + Understanding of software defined radio systems : Receiver architectures, Software channelization, ... Digital Signals Processing Engineer Job Category: Engineering Time Type: Full time...debug, integrate, and test signal processing algorithms and SIGINT software systems running on a variety of… more
    CACI International (11/26/25)
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  • Satellite Communications Engineer

    Leidos (Chantilly, VA)
    **Description** **JOB DESCRIPTION** We're seeking a communications engineer to support mission-critical communications for national security and intelligence ... research, develop innovative solutions, and analyze advanced satellite communication systems to enable design, development, and integration for secure, reliable… more
    Leidos (12/04/25)
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  • ADC Engineer I, Amazon Dedicated Cloud…

    Amazon (Herndon, 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 (11/12/25)
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  • Network Firewall Engineer

    CACI International (Sterling, VA)
    Network Firewall Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... + Assist in the implementation and configuration of firewall systems across various platforms + Perform day-to-day firewall administration tasks,… more
    CACI International (10/25/25)
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  • (DoD SkillBridge), Specialist, Integration & Test…

    L3Harris (Herndon, VA)
    …Essential Functions: + Support the set-up, configuration, and documentation of hardware and software systems under test, including loading custom and commercial ... of national security. Job Title: Specialist, Integration and Test Engineer Job Code: 29068 Job Location: Herndon, VA Job...software onto multiple systems + Developing and executing structured training sessions +… more
    L3Harris (12/19/25)
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  • Digital Signal Processing Engineer

    CACI International (Sterling, VA)
    …+ Design, develop, debug, integrate, and test signal processing algorithms and SIGINT software systems running on a variety of platforms supporting intelligence, ... Digital Signal Processing Engineer Job Category: Engineering Time Type: Full time...Help define the requirements, CONOPs and architecture for future systems . + Use computer-assisted engineering and design software more
    CACI International (10/29/25)
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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 ... site administration one\-on\-one to troubleshoot automation/deployment issues * Install software libraries functioning in RHEL/SE Linux environment to support… more
    Lockheed Martin (01/07/26)
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