• Software Engineering Manager (.NET)

    Mastercard (Arlington, VA)
    …You'll tackle critical domains like authentication, caching, logging, error handling, testing frameworks, and more, ensuring our applications are built on a ... small, flexible teams. Every team member contributes to designing, building, and testing features. About You: Hands-on technical leader with deep expertise in… more
    Mastercard (07/16/25)
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  • Software Engineer Staff

    Lockheed Martin (Springfield, VA)
    **Description:** Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as a destination, we see it as a ... solutions, focusing on resiliency and urgency through our 21st Century Security (R) vision\. We're erasing boundaries and forming partnerships across industries and… more
    Lockheed Martin (07/12/25)
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  • Pipefitter (Mastertradesperson 4)

    HII (Newport News, VA)
    …Employment Type: Full Time/Hourly/Non-Exempt Anticipated Salary Range: $49,777.00 - $57,200.00 Security Clearance: Ability to Obtain Level of Experience: Mid This ... opportunity resides with Global Security (GS). Mission Technologies' Global Security (GS)...to demonstrate welding ability on needed processes through qualification testing and pass with a satisfactory grade from our… more
    HII (07/11/25)
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  • Operational Technology (OT) Senior Technologist

    Amentum (Herndon, VA)
    …technology solutions with focus on cybersecurity, networking, firewalls, industrial security controls, cybersecurity policy and program development and consulting ... (switching, routing, segregation (VLAN's), subnets, redundancy protocols), network perimeter security , intrusion detection systems, network behavioral analytics (anomaly detection)… more
    Amentum (07/09/25)
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  • Network Engineer

    CACI International (Mclean, VA)
    …**Duties include but are not limited to:** + Designing, installing, testing network infrastructure, configurations, and equipment such as firewalls, routers, and ... + Installing and maintaining network cabling systems (pulling, terminating, and testing ) + Identifying and resolving issues related to network infrastructure +… more
    CACI International (07/08/25)
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  • Cloud Cybersecurity Subject Matter Expert

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    …delivering scalable, high availability solutions while adhering to government mandated security standards. + Design and engineer secure, scalable cloud architectures ... Develop and manage DevSecOps pipelines within the Gov Cloud Framework, emphasizing security and compliance. Write advanced scripts using PowerShell, Python, and Bash… more
    UIC Government Services and the Bowhead Family of Companies (06/19/25)
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  • Network Engineer

    SAIC (Chantilly, VA)
    …to: + Network Connectivity. + Traffic Flow. + Redundancy (Failover). + Network Security . + Equipment Maintenance of current sites and future coop sites. + Increase ... Maintain necessary test and integration equipment for integration and regression testing , validation, and troubleshooting. + Maintain configuration management of all… more
    SAIC (06/19/25)
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  • Scientist, Optical Engineer

    L3Harris (Herndon, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Scientist, Optical Engineering Job Code: 24864 Job Location: Herndon, VA ... 16 years of prior related experience. + Ability to obtain a TS/SCI security clearance + Professional experience in physical and system modeling, for optical and/or… more
    L3Harris (06/18/25)
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  • Fire Alarm Design Consultant

    Jensen Hughes Inc. (Fairfax, VA)
    …upheld since 1939. Today, our expertise extends broadly across closely related security and risk-based fields - from accessibility consulting and risk analysis to ... process safety, forensic investigations, security risk consulting, emergency management, digital innovation and more. Our engineers and consultants collaborate to… more
    Jensen Hughes Inc. (05/24/25)
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  • Cyber Software Engineer

    Leidos (Arlington, VA)
    …Are you an ethical hacker ready to apply your knowledge to National Security ? Join us at the Leidos Innovations Center, Information and Data Science Division, ... low-level networking and embedded software systems in support of national security missions. You will work in a dynamic, high-impact environment requiring… more
    Leidos (05/08/25)
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