• WGL - Senior OT Systems Engineer

    AltaGas (Springfield, VA)
    …gas. This position will utilize multidiscipline knowledge of and experience in network infrastructure (enterprise grade and industrial grade firewalls, switches, ... and routers), virtual server infrastructure , cyber security tools and technologies, identity...ICS networks to architect, deploy and maintain securely segmented network infrastructure for communications between Critical Cyber… more
    AltaGas (08/07/25)
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  • Network Engineer

    CoStar Realty Information, Inc. (Richmond, VA)
    …alongside a team of experienced engineers to support and maintain our global network infrastructure , which spans multiple data centers and 80+ office locations. ... Assist in the installation, monitoring, maintenance, and support of enterprise network infrastructure , including switches, firewalls, wireless access points, and… more
    CoStar Realty Information, Inc. (09/30/25)
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  • Senior SOC Analyst

    Parsons Corporation (Centreville, VA)
    …and Intrusion Detection System [IDS] logs) to identify possible threats to network security + Perform forensically sound collection/storage of digital evidence ... concepts, operating systems and system administration, enterprise environments, networking and network security . + Advanced knowledge of scripting languages and… more
    Parsons Corporation (09/25/25)
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  • Core/WAN Network Lead

    CACI International (Sterling, VA)
    …encompasses the design, implementation, and maintenance of complex, global enterprise networks. The Senior Network Engineer will act as a key technical leader, ... driving the evolution of our network infrastructure to meet evolving business needs....standardization and industry best practices + Follows all Customer network security processes and procedures, ensures compliance… more
    CACI International (07/25/25)
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  • CAN/LAN Network Lead

    CACI International (Sterling, VA)
    …network technologies, trends, and security threats to continuously improve network infrastructure . + Provide afterhours call in support for CAN/LAN ... implementation, and maintenance of complex, global enterprise networks. The Senior Network Designer will act as a...a key technical leader, driving the evolution of our network infrastructure to meet evolving business needs.… more
    CACI International (09/04/25)
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  • O&M Network Engineer 4 (Tech Specialist 4)

    M. C. Dean (Springfield, VA)
    …types) and their capabilities, limitations and work arounds. + Understanding of DoD network security policies and methodologies and ability to implement them ... in electrical, engineering, and cybersecurity industries. We are seeking a **O&M Network Specialist** to join our ** Security and Electronic Systems (SES)**… more
    M. C. Dean (09/16/25)
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  • Core/WAN Network Designer- Tier 3

    CACI International (Sterling, VA)
    …encompasses the design, implementation, and maintenance of complex, global enterprise networks. The Senior Network Engineer will act as a key technical leader, ... driving the evolution of our network infrastructure to meet evolving business needs....standardization and industry best practices + Follows all Customer network security processes and procedures, ensures compliance… more
    CACI International (07/26/25)
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  • Lead, Chief Systems Engineer - Network…

    L3Harris (Dulles, VA)
    …of national security . Job Title: Lead, Chief Systems Engineer for Network Communcation Systems Job Code: 28223 Job Location: Herndon, VA Schedule: 9/80 (Every ... of and own the evolving technical baseline for an existing, complex network communications system comprised of multiple systems and system elements. The ideal… more
    L3Harris (08/31/25)
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  • Network Engineer Tier 3

    CACI International (Chantilly, VA)
    …are needed on an ongoing basis. **Opportunity:** Team CACI is seeking a Senior Network Engineer to support an Intelligence Community customer's diverse ... network infrastructure , including CAN, LAN, CORE, and... equipment (Cisco, Juniper, etc.) + Strong understanding of network security principles and best practices +… more
    CACI International (07/26/25)
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  • Network Engineer IV

    Chenega Corporation (VA)
    … management services, system management and administration services. + Evaluate the network infrastructure (eg, VoIP, internet, intranet) and provide network ... equivalent. + 3+ years of experience in firewall and network security solutions: Cisco ASA, IDS, IPS,...QoS policies and priority queuing, VLANs, IPSLA & Netflow network management. + Demonstrated abilities with infrastructure … more
    Chenega Corporation (07/09/25)
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