• Sr. Network Engineer

    Leidos (Fort Belvoir, VA)
    …meet capacity and performance standards. + Identify legacy service paths (ie dataflow, firewall rulesets, and ACLs) and develop strategies and designs for the to-be ... enterprise service capability to meet requirements while balancing security, sustainability, and maintainability. + Support development of IP addressing schemes across IPv4 and IPv6 networks. + Work with information assurance teams to ensure compliance to DoD… more
    Leidos (07/16/25)
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  • Senior Systems Engineer - Cybersecurity

    M. C. Dean (Vienna, VA)
    …Cisco, Palo Alto, Juniper) and working experience with routing, switching, and firewall configuration is a plus; **General:** + Demonstrated time management and ... organization skills while working in a fast-paced, multidiscipline team environment; + Strong analytical and problem-solving skills; + Strong communication (oral and written) skills; + Proficiency with workflow and lifecycle management systems (eg Atlassian… more
    M. C. Dean (07/15/25)
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  • Network Administrator 3

    M. C. Dean (Vienna, VA)
    …zero touch provisioning and software image management (SWIM). + Cisco Secure Firewall Management Center (SFMC) + Cisco Integrated Services Engine (ISE) + Firepower ... Threat Defense devices, specifically 10xx and 31xx series, in FTD and ASA mode + Cisco ASA firewalls + Catalyst switching hardware, specifically 9300/9500 series + Cisco Nexus switching hardware + IPSEC, RAVPNs, ACLs, VLANs, SVIs, Port Channels, LAN/WAN… more
    M. C. Dean (07/15/25)
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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 (07/15/25)
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  • Design Engineer 5

    M. C. Dean (Vienna, VA)
    …of routing protocols and switching technologies, LAN/WAN medias and protocols, and firewall configuration and protocols. + Ability to work effectively in a ... fast-paced collaborative environment. + Ability to effectively communicate with various customers, vendors and peers + Ability to effectively use AutoCAD or another computer aided drafting/modeling tool. + Proficient in MS Word, Excel, and PowerPoint. +… more
    M. C. Dean (07/15/25)
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  • Network Engineer 3

    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 (07/15/25)
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  • Senior Cybersecurity Enterprise Architect…

    Truist (Richmond, VA)
    …+ Incident response processes; + Denial of Service prevention mechanisms; + Firewall technologies and intrusion prevention methods; + Cloud technologies and hosting; ... + Operating system hardening; + Virtualization technologies; + Mobile technologies; + Encryption and key management technologies; + Endpoint Protection (includes malware); + Data Loss Protection technologies + Experience with peripheral component interconnect… more
    Truist (07/12/25)
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  • Information System Security Engineer (ISSE)

    Assertive Professionals (Chantilly, VA)
    …access control mechanisms; defining and configuring the appropriate firewall settings; conducting intrusion detection and prevention; conducting vulnerability ... scanning; conducting anti-virus management; and conducting the necessary incidence response actions in accordance with client security policies. Exercise robust network oversight that incorporates rigorous compliance, privacy and data security standards and… more
    Assertive Professionals (07/10/25)
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  • Computer Network Operator

    CACI International (Chantilly, VA)
    …* Understanding of computer network architectures * Well versed in firewall technologies, proxies, ipchains, iptables, SNORT, NMAP, Wireshark, etc. * Developmental ... knowledge of basic scripting with python (preferable), bash, perl, or Powershell * Experience with and ability to train others on advanced operational techniques * Understanding of telecom infrastructure and mobile and/or RF communications * Experience with… more
    CACI International (07/10/25)
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  • Master Network Specialist (INS Technical Lead)

    First Division Consulting (Quantico, VA)
    …complex network issues, including WAN optimization, routing and switching, and firewall management. + Coordinate with MCCOG leadership to analyze requirements, ... define technical solutions, and implement best practices for network defense and resilience. + Conduct security audits, supervise system modifications, and ensure compliance with DoD 8570.01M and other relevant policies. + Develop and maintain technical… more
    First Division Consulting (07/10/25)
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