• Sr. O&M Network Engineer

    Leidos (Chantilly, VA)
    …call after hours on a rotational basis. + Not required but experience with Palo Alto , Cisco Adaptive Security Appliance (ASA), and Forcepoint firewall equipment ... at Leidos is seeking a Tier III O&M Network Engineer to support the customer's various wide area networks...and applications is a plus. Requirements + Required Clearance: TS /SCI and Poly + Candidate must have 16 years… more
    Leidos (06/03/25)
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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 ... ManTech seeks a motivated, career and customer-oriented **Security Engineer ** to join our team in **Herndon, VA.** The **Security Engineer ** will design,… 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 ... ManTech seeks a motivated, career and customer-oriented **Security Engineer ** to join our team in **Herndon, VA.** We are searching for a highly skilled **Security … more
    ManTech (08/08/25)
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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) ... **Description** SAIC is looking for an experienced **Network Systems Engineer ** and administrator with background in configuring, maintaining, and troubleshooting… more
    SAIC (08/07/25)
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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 ... ManTech seeks a motivated, career and customer-oriented **Security Engineer ** to join our team in **Herndon, VA** to design, implement, and maintain secure… more
    ManTech (06/19/25)
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  • Network Engineer

    Nightwing (Arlington, VA)
    …able to work collaboratively across physical locations Desired Skills: - Familiarity with Palo Alto firewalls and Cisco switches - Experience with converged ... restoration of services. Nightwing is seeking a motivated network engineer to implement, maintain and support the lab network...- US Citizenship - Must have an active DoD Secret clearance, TS /SCI clearance is preferred -… more
    Nightwing (05/17/25)
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