• Senior Firewall Engineer

    Insight Global (Henrico, VA)
    Job Description The Senior Firewall Network Engineer is responsible for implementing and overseeing firewall policies based on input from the Information ... Management Office and application system owners to guide system designers on firewall requirements and document system communication flows affecting firewall … more
    Insight Global (09/09/25)
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  • Senior Network and Next Generation…

    Lumen (Richmond, VA)
    …one or more of the following services: Federal government (MTIPS, DHS), Managed firewall , IDPS, and incident response. **Location** This is a remote position open to ... that have company-wide and possibly industry-wide impacts. + Frequent contact with senior leadership of customers and contractors for the purpose of creating and… more
    Lumen (10/23/25)
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  • Senior Network Engineer (Remote)

    Koniag Government Services (Chantilly, VA)
    …to participate in after-hours, on-call rotation/support to respond to network and firewall incidents. ** Firewall Engineer Qualifications:** + Relevant ... **Koniag Data Solutions, LLC,** a Koniag Government Services company, is seeking Senior Network Engineer to support KDS and our government customer. This is a… more
    Koniag Government Services (09/04/25)
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  • Network Security Engineer Senior

    General Dynamics Information Technology (Alexandria, VA)
    …your career while impacting our national security in cyber as a **Network Security Engineer Senior ** at GDIT. Here, technologists have many paths to grow a ... the federal government. We are seeking a dedicated and knowledgeable **Network Security Engineer Senior ** to join our dynamic team. The ideal candidate will… more
    General Dynamics Information Technology (10/15/25)
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  • Senior Network Engineer (SEAS) w/…

    V2X (Springfield, VA)
    …with integrity, respect, responsibility, and professionalism. We are hiring for a dynamic Senior Network Engineer - active TS/SCI clearance for our Systems ... with the ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Network Engineer provides subject matter expertise (SME), mentorship and… more
    V2X (09/19/25)
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  • Senior Network Engineer - TS/SCI

    General Dynamics Information Technology (Reston, VA)
    …6 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Senior Network Engineer ** **Transform technology into opportunity as a ... Senior Network Engineer with GDIT. A career in enterprise IT means...outages. + Control network management activities, data flows and firewall rules. + Build network topologies to deliver content… more
    General Dynamics Information Technology (10/01/25)
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  • Network Engineer Senior (Security)…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …of related experience **US Citizenship Required:** Yes **Job Description:** **Network Engineer Senior (Security) - TS/SCI required** Transform technology into ... opportunity as a **Network Engineer Senior (Security)** at GDIT. Shape what's...protocols/technologies, including switching, routing, and security (eg, Layer 4-7, firewall , Site-to-Site VPN, DMVPN, etc) to resolve problems on… more
    General Dynamics Information Technology (09/09/25)
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  • Senior Network Engineer

    ManTech (Reston, VA)
    ManTech seeks a motivated, career and customer-oriented ** Senior Network Engineer ** to join our team in **Reston, VA.** This is an onsite position. The ** ... Senior Network Engineer ** will work with Network...large-scale environments + Strong experience with relevant networking and firewall technologies such as Cisco and Palo Alto +… more
    ManTech (10/15/25)
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  • Senior Network Engineer

    ManTech (Reston, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Network Engineer ** to join our team in **Reston, VA** location. This is an **onsite** ... position. The **Network Engineer ** candidate will work with other Network and Systems...large-scale environments + Strong experience with relevant networking and firewall technologies such as Cisco and Palo Alto +… more
    ManTech (09/01/25)
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  • Network Cybersecurity Engineer (Palo/Cisco)

    General Dynamics Information Technology (Fairfax, VA)
    …CompTIA **Experience:** 5 + years of related experience **Job Description:** **CYBERSECURITY ENGINEER SENIOR / ANALYST** Advance your career while impacting our ... national security in cyber as a Cybersecurity Engineer Senior at GDIT. Here, technologists have...workloads assessments. You will apply deep technical expertise in firewall & threat management, containerized workloads, and cloud-native defense… more
    General Dynamics Information Technology (10/22/25)
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