• Sr. O&M Network Engineer

    Leidos (Chantilly, VA)
    …rotational basis. + Not required but experience with Palo Alto, Cisco Adaptive Security Appliance (ASA), and Forcepoint firewall equipment and applications is a ... and 16 years. + Must comply with DoD 8570 Information Assurance Technical (IAT) Level 2. + Experience with...Internet Protocol (IP) subnet, Network Address Translation (NAT) and security technologies. + Demonstrated ability to engineer … more
    Leidos (09/02/25)
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  • WGL - Senior OT Systems Engineer

    AltaGas (Springfield, VA)
    …server infrastructure that supports the organization's OT environment. Responsible for the security , reliability, and performance of the OT environment to ensure the ... grade firewalls, switches, and routers), virtual server infrastructure, cyber security tools and technologies, identity access management systems, OT software… more
    AltaGas (08/07/25)
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  • Network Engineer III

    CACI International (Springfield, VA)
    Network Engineer III Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... an exciting and challenging opportunity available for a Network Engineer who performs research, requirements analysis, design, installation, documentation,… more
    CACI International (09/13/25)
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  • Systems Engineer (Expert)

    BAE Systems (Herndon, VA)
    …with Windows Group Policy and configuration management + Experience with Windows security features, such as Windows Defender and firewall configuration + ... and sustainment support for critical military platforms and systems. Intelligence & Security provides services and products to the Department of Defense, the… more
    BAE Systems (09/30/25)
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  • Network Architect/ Engineer

    ManTech (Herndon, VA)
    ManTech seeks a motivated, career and customer-oriented **Mid-level Network** **Architect/ Engineer ** in the DC, Maryland, and Virginia (Northern) **DMV area** . In ... this role you will provide crucial support to the Network Operations Security Center (NOSC). You will support and assist in the design, development, and deployment… more
    ManTech (09/01/25)
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  • Principal Satellite Communications Engineer

    ManTech (Reston, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Principal Satellite Communications Engineer ** to join our team in the **Reston, VA** location. This is ... an **onsite** position. The **Principal Satellite Communications Engineer ** will travel worldwide to deploy, configure, upgrade, troubleshoot, and maintain satellite… more
    ManTech (09/18/25)
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  • Field Engineer

    ManTech (Reston, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Field Engineer ** to join our team in **Reston, VA** . This is an **onsite** position. The **Field ... Engineer ** will travel worldwide to deploy, configure, upgrade, troubleshoot,...experience with Network administration experience, including DNS, routing, and firewall configuration + 1+ years of experience with Experience… more
    ManTech (09/10/25)
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  • Field Engineer

    ManTech (Reston, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Field Engineer ** to join our team in the **Reston, VA** . This is an **onsite** position. The **Field ... Engineer ** will travel worldwide to deploy, configure, upgrade, troubleshoot,...+ Strong Network administration experience, including DNS, routing, and firewall configuration + Strong infrastructure administration experience, including technologies… more
    ManTech (09/01/25)
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  • Network Engineer (Levels 2, 3)

    CACI International (Charlottesville, VA)
    Network Engineer (Levels 2, 3) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... operate/sustain, and enhance NGA networks and cybersecurity posture in support of national security . For additional information and a list of current openings,… more
    CACI International (08/11/25)
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  • Senior Network Engineer

    Noblis (Chantilly, VA)
    Responsibilities As a Senior Network Engineer , you will design, install, maintain, and evaluate network systems and communications. You will gather user network ... + Provide necessary technical documentation, system requirements documents, and security requirements. + Troubleshoot and resolve network issues involving various… more
    Noblis (09/03/25)
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