• Network Administrator Lead

    Leidos (Fort Belvoir, VA)
    …+ Tools: Ansible, Remedy/Service Now, SolarWinds + Certifications: Cisco CCNP, CCIE , ITIL, PMP, Palo Alto Come break things (in a good way). Then build them ... smarter. We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for "how it's always been done." **Original Posting:** August… more
    Leidos (08/09/25)
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  • Network Security Technical Engineer

    Highmark Health (Richmond, VA)
    …**Preferred** + In-depth knowledge of firewalls - VPN Tunnels/Remote Access ( Palo Alto , Cisco ASA/Firepower), load balancers (F5 LTM/GTM, Citrix ... Netscalers SDX/VPX, Cloudflare), proxy servers (Broadcom, Skyhigh) + Troubleshooting and Problem Solving network issues + Solid understanding of the OSI model and TCP/IP protocol suite + Proficiency in routing protocols (eg, OSPF, BGP, EIGRP) + 5 years of… more
    Highmark Health (08/09/25)
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  • Cybersecurity Automation Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Langley, VA)
    …+ Experience with a cybersecurity tool, including Elastic, Splunk, Tanium, Zscaler, Palo Alto , HBSS, ACAS, AWS Security Hub, NetSkope, CrowdStrike, or ... ServiceNow + Experience with Linux administration + Experience with Networks and Network Protocols, including TCP, UDP, DNS, HTTP, HTTPS, SSH, and FTP + Experience working in DoD cloud environments + Knowledge of DevOps and CI / CD pipelines + Ability to work… more
    BOOZ, ALLEN & HAMILTON, INC. (08/08/25)
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  • Security Engineer

    ManTech (Herndon, VA)
    …baselining. + Hands-on experience with security tools (eg, ACAS, Splunk, Tenable, Palo Alto , CrowdStrike, or similar). + Scripting or automation experience ... (Python, Bash, PowerShell) to support security operations. **Clearance Requirements:** + Must hold an active TS/SCI with Polygraph **Physical Requirements:** + Must be able to remain in a stationary position 50% of the time. + Needs to occasionally move about… more
    ManTech (08/08/25)
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  • Security Engineer

    ManTech (Herndon, VA)
    …system baselining + Hands-on experience with security tools (eg, ACAS, Splunk, Tenable, Palo Alto , CrowdStrike, or similar) + Scripting or automation experience ... (Python, Bash, PowerShell) to support security operations **Clearance Requirements:** + Must have active TS/SCI with Full Scope Polygraph **Physical Requirements:** + Must be able to remain in a stationary position 50% of the time + Needs to occasionally move… more
    ManTech (08/08/25)
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  • Network Engineer

    Leidos (Chantilly, VA)
    …switches, Nex Gen Firewalls, ESXi, VMWare + Utilizing Juniper SRX equipment and Palo - Alto Firewalls to engineer boundary protection mechanisms. + Experience with ... network security concepts, best practices and technologies including, but not limited to, SSH, IPSec, TACACs, firewall policies, DNS, Active Directory and 802.1x **Travel: May require occasional travel throughout the continental US** As a condition of… more
    Leidos (08/08/25)
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  • Elastic Engineer SME

    BOOZ, ALLEN & HAMILTON, INC. (Langley, VA)
    …Additional Qualifications: + Experience with Cybersecurity tools, including Tanium, Zscaler, Palo Alto , HBSS, ACAS, AWS Security Hub, NetSkope, CrowdStrike, ... FireEye, or ServiceNow + Experience with Linux administration + Experience with Networks and Network Protocols, including TCP, UDP, DNS, HTTP, HTTPS, SSH, and FTP + Experience working in DoD cloud environments + Top Secret clearance + Elastic, Security+,… more
    BOOZ, ALLEN & HAMILTON, INC. (08/08/25)
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  • Network Engineer - Day

    SAIC (Suffolk, VA)
    …SPINE-LEAF architecture + Experience with the following is a plus: Arista switches; Palo Alto Firewalls; TAP and network visibility (ie Gigamon, NetScout); ... SD-WAN and Spine-Leaf Architecture; working with VLANs and VRFs; configuring IPSEC tunnels; and troubleshooting routing issues + Working knowledge of SD-WAN, Routers, Switches, Firewalls, and Virtual Private Network devices + Understanding of TCP/IP in regard… more
    SAIC (08/07/25)
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  • Network Engineer - Night Shift

    SAIC (Suffolk, VA)
    …SPINE-LEAF architecture. + Experience with the following is a plus: Arista switches; Palo Alto Firewalls; TAP and network visibility (ie Gigamon, NetScout); ... SD-WAN and Spine-Leaf Architecture; working with VLANs and VRFs; configuring IPSEC tunnels; and troubleshooting routing issues. + Working knowledge of SD-WAN, Routers, Switches, Firewalls, and Virtual Private Network devices. + Understanding of TCP/IP in… more
    SAIC (08/07/25)
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  • Network Systems Engineer

    SAIC (Chantilly, VA)
    …+ Network engineering experience (preferred experience with Arista and Juniper Switches and Palo Alto Firewalls) + DOD 8570 Information Assurance Technical (IAT) ... Level II required, Level III desired. Security network engineering experience in support of Risk Management Framework (RMF) (XACTA), Security+ or Certified Information Systems Security Professional (CISSP) certification preferred + Strong working knowledge of… more
    SAIC (08/07/25)
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