• TS/SCI Sr. Network Engineer

    Insight Global (Mount Vernon, VA)
    …security protocols/technologies, including switching, routing, and security (eg, Layer 4-7, firewall , Site-to-Site VPN, DMVPN, etc) to resolve problems on the ... information system. Analyze, plan, and implement access control lists (ACL), firewall policies, and other logical security controls in a multi-vendor security… more
    Insight Global (11/26/25)
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  • Linux Systems and Network Engineer

    Nightwing (Sterling, VA)
    …including devices communicating across local and remote network tunnels. + ** Firewall Rules and System Hardening:** Experience in hardening Linux systems and ... services, as well as writing firewall rulesets using tools like iptables and nftables. + **Routing Validation:** Employing Linux tools to validate appropriate packet… more
    Nightwing (11/21/25)
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  • Network Engineer

    CACI International (Mclean, VA)
    …following cloud service providers: AWS, Google, or Oracle + Azure premium firewall policies knowledge, including hierarchy of rule collections (DNAT, Network and ... Demonstrated experience with managing network equipment + Experience with creating firewall rules to allow/deny network traffic + Ability to communicate effectively… more
    CACI International (11/20/25)
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  • IT Analyst Lead

    Trace Systems Inc (Portsmouth, VA)
    …Cisco Catalyst series); routers (CISCO series 2800, 2900, 6500 and 7600); McAfee Firewall Enterprise; Cisco Secure Access Control System Appliance Model # 3415, Iron ... systems (WIPS), Aruba wireless networks, AirTight Network Devices, McAfee Firewall Enterprise, Intrusion Detection Systems (IDS), Juniper encryptors, External DNS,… more
    Trace Systems Inc (11/14/25)
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  • Network Team Lead

    TekSynap (Arlington, VA)
    …generate usage reports + and back up device configurations; + Have networking, firewall , security, application coding skills and strong knowledge of the + HTTP ... traces to resolve network and application related issues + Have strong firewall fundamentals and demonstrate knowledge of ports, protocols and flows for… more
    TekSynap (11/13/25)
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  • Vulnerability Assessment Team Lead

    Tyto Athene (Ashburn, VA)
    …including secure configuration and vulnerability testing. + Leverage understanding of Firewall Management and Advanced Threat Protection solutions. + Apply expertise ... Application Security concepts and secure system implementation. + Understanding of Firewall Management, ATP tools, access control, IDS/IPS, and protocol analysis. +… more
    Tyto Athene (11/01/25)
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  • End Point Security System Administrator

    Craig Technologies (Norfolk, VA)
    …+ Validate and coordinate all HBSS scheduled maintenance + Create custom Firewall policies and work with Information Systems Security Manager (ISSM) and Information ... and apply HIPS signatures to protect against zero-day threat + Create firewall exclusions based on customer demand and the Assessment and Authorization (A&A)… more
    Craig Technologies (10/24/25)
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  • Secure Wireless Engineer

    General Dynamics Information Technology (Springfield, VA)
    …components and responding to network connectivity issues related to firewall /VPN/SSL infrastructures. Responsible for evaluating current network security systems. ... within the enclave; to include individual host logs; network traffic logs; firewall logs; and intrusion detection system logs + Maintain knowledge of applicable… more
    General Dynamics Information Technology (10/18/25)
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  • Network Security Architecture - Manager

    Deloitte (Arlington, VA)
    …over time + 4+ years of experience with CNAAP, SASE, or enterprise firewall solutions (eg, Palo Alto Networks, CrowdStrike, Wiz, Snyk, SentinelOne, or similar cloud ... stacks, including VPNs, CDN solutions, Load Balancers, Subnetting, Next-Generation firewall design, and highly scalable security solutions like Secure Access… more
    Deloitte (10/10/25)
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  • Networks Security Specialist - Senior Manager

    Deloitte (Arlington, VA)
    …over time + 5+ years of experience with CNAAP, SASE, or enterprise firewall solutions (eg, Palo Alto Networks, Wiz, Snyk, SentinelOne, or similar cloud security ... stacks, including VPNs, CDN solutions, Load Balancers, Subnetting, Next-Generation firewall design, and highly scalable security solutions like Secure Access… more
    Deloitte (10/10/25)
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