• Network Engineer - Data Center

    Trace Systems Inc (Portsmouth, VA)
    Job Overview Job Title: Network Engineer - Data Center Location: Portsmouth, VA Job Responsibilities Trace Systems is seeking a Network Engineer - Data ... is required. + Security + CE or higher and Cisco Certified Network Professional (CCNP) certification with Enterprise Core or Data Center specialty. + Minimum of… more
    Trace Systems Inc (09/16/25)
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  • Network Engineer III

    CACI International (Charlottesville, VA)
    Network Engineer III Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... and cybersecurity IT services. Work involves multiple networks and security domains at various locations worldwide. **Responsibilities:** + Focus on Network more
    CACI International (10/30/25)
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  • Senior Network Systems Engineer

    SMX (Dahlgren, VA)
    …compliance and risk management in accordance with DoD/Navy policies. + Enhance network security and performance using Cisco and Juniper networking technologies ... Senior Network Systems Engineer (4416)at SMX(View all...Cisco, Juniper, TCP/IP, and VoIP technologies according to DoD/Navy cybersecurity procedures and policies. **This position will be onsite… more
    SMX (11/14/25)
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  • Sr. Security Research Engineer

    Proofpoint (Alexandria, VA)
    …has a direct and real-time impact protecting Proofpoint customers. As a Senior Security Research Engineer on Proofpoint's Threat Research team, you'll be part ... About Us: We are the leader in human-centric cybersecurity . Half a million customers, including 87 of...of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks… more
    Proofpoint (10/22/25)
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  • Senior Systems Engineer / Network

    Jacobs (Chantilly, VA)
    Knack Workes, a Jacobs company, is seeking a highly skilled Senior Systems Engineer / Network Engineer with 10+ years of IT experience and proven expertise ... network configuration standards, incorporating input and best practices from the Network Engineering team. * Ensure compliance with security , data integrity,… more
    Jacobs (11/13/25)
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  • Lead Network and Infrastructure…

    ManTech (Herndon, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Lead Network and Infrastructure Engineer ** to join our team in **Herndon, VA.** The Lead Network ... network capacity planning, performance tuning, and optimization. + Ensure network architecture and infrastructure complies with federal security standards… more
    ManTech (10/10/25)
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  • Senior Systems Security Engineer

    TekSynap (Dahlgren, VA)
    **Responsibilities & Qualifications** TheTekSynap is seeking a **S** **enior S** **ystem** **s Security Engineer ** **.** The Senior Systems Security ... sustained cybersecurity posture. **RESPONSIBILITIES** + Develop and implement cybersecurity engineering and system security plansin accordance withDoD and… more
    TekSynap (10/31/25)
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  • Cleared Senior Information Systems Security

    Virtual Service Operations (Lorton, VA)
    …services and cyber network defense capabilities. As aSenior Information System Security Engineer (ISSE), you will provide expert engineering support to ... Cleared Senior Information Systems Security Engineer (ISSE) L4 * Lorton,...to lead, guide and mentor the other Information System Security Engineers + Must have Network compliance… more
    Virtual Service Operations (11/09/25)
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  • Mid-Senior Network Engineer

    Infinity Systems Engineering (Alexandria, VA)
    …with network monitoring tools and troubleshooting methodologies. + Understanding cybersecurity principles and network security best practices. + ... us! Job Summary: We are seeking a skilled Systems Administrator/ Network Engineer to join our mission-driven team.... Security & Compliance: + Implement and maintain network security measures, including firewalls, VPNs, and… more
    Infinity Systems Engineering (10/29/25)
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  • Lead Network Engineer

    Nightwing (Sterling, VA)
    …community, defense, civil, and commercial markets. **Nightwing is seeking a Lead Network Engineer to support onsite in McLean, VA.** **Responsibilities:** ... Systems Administrators as assigned by the Lead System Administrator.** **Assist the Lead, Network Engineer in developing and implementing IT/ network plans.**… more
    Nightwing (10/23/25)
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