• CAN/LAN Network Lead

    CACI International (Sterling, VA)
    …with other network teams to ensure seamless operations including the WAN Team, Firewall Team, and Network Management Team. + Design, configure, and optimize CAN/LAN ... network architectures, ensuring high availability, scalability, and performance. + Provide Tier 3 technical support for CAN/LAN infrastructure, including troubleshooting, configuration, and resolution of complex network issues. + Respond to escalated service… more
    CACI International (12/04/25)
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  • Senior Linux Architect

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …of a centralized directory for authentication + Manage security, including basic firewall and SELinux configuration + Configure static routes, packet filtering, and ... network address translation + Set kernel runtime parameters + Produce and deliver reports on system utilization + Use shell scripting to automate system maintenance tasks + Configuring system logging, including remote logging + Configure a system to provide… more
    UIC Government Services and the Bowhead Family of Companies (12/03/25)
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  • Sr. Solutions Architect - Services Presales

    SHI (Richmond, VA)
    …security service engagements, including: + Maturity assessments, SASE assessments, firewall reviews + Red/Blue/Purple team exercises, policy development + Security ... tool rationalization and implementation services + Entrepreneurial mindset with strong problem-solving and negotiation skills. + Ability to simplify complex concepts for diverse audiences, including C-Suite executives. + Excellent presentation skills and… more
    SHI (12/02/25)
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  • Sr. O&M Network Engineer

    Leidos (Chantilly, VA)
    …experience with Palo Alto, Cisco Adaptive Security Appliance (ASA), and Forcepoint firewall equipment and applications is a plus. Requirements + Required Clearance: ... TS/SCI and Poly + Candidate must have 16 years of experience that can be a combination of work history and education. This equates to a Doctorate and 8 years, master's and 10 years, bachelor's and 12 years, associates and 14 years or HS diploma and 16 years. +… more
    Leidos (12/02/25)
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  • Network Engineer III

    William C Brown Inc (Springfield, VA)
    …NetOne, HP Network Node Manager, etc.) + Experience with CISCO and Juniper firewall /VPN devices + Experience with supporting IP services to connect to NIPRNET, ... SIPRNET and JWICS (IPv4, VPN, IPv6, Multicast, QOS, SDN, SNMP, VOIP, VTC, etc) + Experience with BGP, OSPF, and MPLS. + TS/SCI Security Clearance (US Citizenship required) These Qualifications Would be Nice to Have: + Master's Degree Location Springfield… more
    William C Brown Inc (12/01/25)
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  • Sr. Network Engineer

    Arena Technical Resources, LLC (Reston, VA)
    …issues and network outages. Control network management activities, data flows and firewall rules. - Build network topologies to deliver content from specific ... providers to users. - Answer technical questions; recommend and implement approved course of action. - Design, implement or maintain networks for LAN and WAN systems - Provide engineering designs and plans for installation, integration, testing, upgrade,… more
    Arena Technical Resources, LLC (11/29/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …Scale Data Center and Cloud Technologies - LAN and WAN technologies - Firewall technologies - DMZ Architectures - Enterprise class storage, NAS & SAN technologies ... - Backup technologies - NetBackup, Cohesity, and Veeam Backup solutions First Name Required Last Name Required Email Address Required Phone Number CountryNoneAfghanistanAland IslandsAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua and… more
    Arena Technical Resources, LLC (11/29/25)
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  • Senior Systems Engineer - Enterprise IT…

    M. C. Dean (Vienna, VA)
    …implementation, as well as working experience with network routing, switching, and firewall configuration is a plus + Working knowledge of endpoint security (eg, ... Defender, Trend Micro), SIEM (eg, Splunk, Sentinel), vulnerability scanning (eg, Tenable Nessus/Security Center), and other systems and security management tools **General:** + Demonstrated time management and organization skills while working in a fast-paced,… more
    M. C. Dean (11/28/25)
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  • Network Engineer 5

    M. C. Dean (Chantilly, VA)
    …analyzes, performance tunes, and make recommendations to optimize network + Manages firewall security appliances + Keeps the Division abreast of emerging network ... technologies and the latest network standard + Leads projects as an Engineering Lead and/or Project Manager to develop secure, resilient systems + Prepares conceptual designs, schedules, and cost estimates for new and modified systems + Conducts design reviews… more
    M. C. Dean (11/28/25)
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  • Navy Qualified Validator

    Trace Systems Inc (Portsmouth, VA)
    …(CONOP)s, and Plans. + Contingency planning, training and testing. + Establish/interrupt Firewall Policy. + Interrupt, register Ports & Protocols. + Hardware / ... Software, network boundaries, flow diagrams and technical drawings. + Interrupting information in the system baseline configuration in VRAM by uploading vulnerability scan of a representative baseline system. + Expert and Mastery levels with institutional… more
    Trace Systems Inc (11/27/25)
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