• Network Engineer Tier 3

    CACI International (Springfield, VA)
    Network Engineer Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... ongoing basis. **Opportunity:** Team CACI is seeking a Senior Network Engineer to support an Intelligence Community customer's diverse network infrastructure,… more
    CACI International (10/25/25)
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  • Cyber Security Operations Specialist III…

    CACI International (Springfield, VA)
    …10% Type of Travel: Local * * * **The Opportunity:** Join our team as a CSOC Tier 3 Engineer and play a critical role in cybersecurity incident response. ... Cyber Security Operations Specialist III - Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI… more
    CACI International (08/23/25)
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  • Core/WAN Network - Tier 3

    CACI International (Sterling, VA)
    CORE/WAN Network - Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage ... an Intelligence Community customer's CORE/wide-area (WAN), networks across multiple security domains. This position encompasses the design, implementation, and… more
    CACI International (10/25/25)
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  • Senior Associate, Physical Security

    Capital One (Mclean, VA)
    Senior Associate, Physical Security Engineer , Global Workplace Services **At Capital One, we dare to dream, disrupt and deliver a better way. Our goal is ... team is looking to add a Senior Associate, Physical Security Engineer .** **As a Physical Security...point, diagnosing system faults, performing root-cause analysis, and coordinating Tier 3 and vendor support when needed.**… more
    Capital One (10/22/25)
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  • Network Engineer Senior ( Security

    General Dynamics Information Technology (Fort Belvoir, VA)
    security controls in a multi-vendor security stack. + Provide expert-level ( Tier 3 ) network security engineering support for INSCOM activities in the ... Certified Network Professional - Enterprise + Palo Alto Networks Certified Network Security Engineer + ​ **Location** : On Customer Site + **Additional** : +… more
    General Dynamics Information Technology (09/09/25)
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  • Information Systems Security

    Nightwing (Sterling, VA)
    …peer recognition and reward system, and performance-based bonuses **Information Systems Security Engineer (ISSE) (Open)** Nightwing seeks a cybersecurity ... The selected candidate will sustain and positively contribute to our top- tier cybersecurity program by successfully: + Developing and updating RMF documents,… more
    Nightwing (08/27/25)
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  • Senior Network Security Engineer II

    Imagine One Technology & Management (Virginia Beach, VA)
    …performing as Privileged Users are required to have and maintain a final adjudicated Tier 5 security investigation with an IT level-1 designation in Joint ... Warfare Center Dahlgren Division (NSWCDD). We are looking for Senior Network Security Engineers to provide research and engineering services for Navy Surface… more
    Imagine One Technology & Management (09/01/25)
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  • NOC Network Engineer

    Virtual Service Operations (Lorton, VA)
    …infrastructure. Opportunity: VSO is seeking a highly skilled and experienced Senior NOC Network Engineer ( Tier 3 ) to join our team in Lorton, Virginia. ... NOC Network Engineer * Lorton, VA (http://maps.google.com/maps?q=Lorton+VA+USA) Description Are you...and technical guidance to Tier 1 and Tier 2 NOC personnel. + Ensure network security more
    Virtual Service Operations (08/02/25)
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  • Senior Network Engineer (SEAS) w/ CCNP…

    V2X (Springfield, VA)
    …operational solutions backed by Cisco, Juniper, Riverbed, and SolarWinds. The Senior Network Engineer serves as the highest internal escalation tier for the ... battlefield. We bring 120 years of successful mission support to improve security , streamline logistics, and enhance readiness. Aligned around a shared purpose, our… more
    V2X (09/19/25)
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  • Systems Engineer

    Leidos (Chantilly, VA)
    …and work in a 24 hour, 7 day (on-call rotation) a week environment providing in-depth Tier 1 through Tier 3 level support and problem resolution for ... **Description** Leidos Intelligence Group is seeking a Systems Engineer to support an enterprise IT program that...software and programs. **Preferred Qualifications** + Demonstrated experience performing Tier 1 thru Tier 3 more
    Leidos (09/24/25)
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