• Cybersecurity Engineer

    General Dynamics Information Technology (Fairfax, VA)
    …including any necessary Ports, Protocols, and Services (PPS) adjustments related to firewall rules. + Provide support for secure network configurations, ... ports, protocols, firewall rule sets, and IDS/IPS configurations across the network . + Document security procedures and assist in training team members on best… more
    General Dynamics Information Technology (09/21/25)
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  • Cybersecurity Engineer Senior

    General Dynamics Information Technology (Fairfax, VA)
    …and be a part of creating Cybersecurity solutions that make a real impact. As a Network Engineer on an Enterprise Zero Trust Program for a DoD cleint, your ... Serve as a subject matter expert in zero trust network security tools, cloud security, and firewall ...trust network security tools, cloud security, and firewall architecture. + Maintaining comprehensive network documentation,… more
    General Dynamics Information Technology (09/20/25)
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  • Sr. Sales Engineer - TS/SCI - Hybrid | Fort…

    Optiv (Herndon, VA)
    …or more of the following: Splunk Platform, Splunk Security, Enterprise Networking, Network Security, Enterprise Firewall Deployment, Data Center, and/or ... or more of the following: Splunk Platform, Splunk Security, Enterprise Networking, Network Security, Enterprise Firewall Deployment, Data Center, and/or … more
    Optiv (07/05/25)
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  • Systems Engineer /Architect

    ManTech (Herndon, VA)
    …and CCNA certification + Hands-on experience with Cisco routing, switching, and firewall technology + Experience with primary network topologies, LANs, WANs ... **ManTech** seeks a motivated, career and customer-oriented **Midlevel Systems Engineer /Architect** to join our team in **DC, Maryland, and Virginia (DMV) area** .… more
    ManTech (08/21/25)
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  • Senior Field Engineer

    ManTech (Herndon, VA)
    …III) and CCNA certification + Hands-on experience with Cisco routing, switching, and firewall technology + Experience with primary network topologies, LANs, WANs ... **ManTech** seeks a motivated, career and customer-oriented **Senior Field Engineer ** to join our team in **DC, Maryland, and Virginia (DMV) area** . In this role… more
    ManTech (08/21/25)
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  • WGL - Senior OT Systems Engineer

    AltaGas (Springfield, VA)
    …and OT devices (PLCs, RTUs). The ideal candidate would have extensive experience as a network engineer and virtualization engineer for the oil and gas ... team who performs the engineering, configuration and deployment of the network and virtual server infrastructure that supports the organization's OT environment.… more
    AltaGas (08/07/25)
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  • Information System Security Engineer (ISSE)

    Assertive Professionals (Chantilly, VA)
    Information System Security Engineer (ISSE) About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small ... Timeline Pipeline Description Assertive Professionalsis seeking anInformation System Security Engineer (ISSE) with Poygraph supporting ourNational Security Customer in… more
    Assertive Professionals (07/10/25)
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  • Linux or Cloud Engineer

    BAE Systems (Sterling, VA)
    … Security Groups, Virtual Networks, Virtual Machines + Google Cloud: Compute Engines, Network Interface, Firewall Rules, VPCs + Eclipse developmental duties Git ... our future and protect our freedom We are looking for experienced Systems Engineer to join our technology-based program supporting a key government customer. This… more
    BAE Systems (09/09/25)
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  • Cyber Operations Engineer

    CACI International (Chantilly, VA)
    Cyber Operations Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage ... * **The Opportunity:** CACI is seeking a VDI Automation Engineer to assist with the development, deployment, and O&M...to engage with your co-workers and expand your career network . We are a fun, engaging environment with a… more
    CACI International (08/08/25)
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  • Senior Lead Infrastructure Engineer - DNS

    Lumen (Richmond, VA)
    …as we digitally connect the world and shape the future. **The Role** The Network Engineer will be responsible for designing, implementing, and managing Domain ... solutions to ensure optimal performance, reliability, and availability of our network infrastructure within a hybrid cloud environment. This role combines advanced… more
    Lumen (09/30/25)
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