• Senior Associate, Info Sec Sys Engineer

    L3Harris (Melbourne, FL)
    security staff in systems engineering design, testing, and implementation of network security infrastructure and services + Resolve issues within the ... experience + At least 2 years of experience in network security engineering, including the specification, selection,...similar SIEM technologies + 1 - 2 years of Security Operations (Analyst, Forensics, Threat Hunting) experience… more
    L3Harris (09/25/25)
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  • Penetration Tester, Senior

    CACI International (Chantilly, VA)
    …(ie, routers, switches, database servers, etc.) * Experienced in use of network security technologies (ie, firewalls, proxies, iptables, AV solutions, VPN's ... Penetration Tester, Senior Job Category: Engineering Time Type: Full time...networking and RF technology * Proficient in performing computer network evaluations to include penetration security assessments… more
    CACI International (10/18/25)
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  • Senior Linux Systems Administrator (NDA 4)

    Leidos (Annapolis Junction, MD)
    …Business Area (CABA)** . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical ... **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber &… more
    Leidos (10/09/25)
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  • Network Administrator II

    William C Brown Inc (St. Louis, MO)
    …networks including day-to-day operations , monitoring and problem resolution for all the network architecture and devices. What You'll Get to Do: + Provide Tier 2 ... Network Administrator II EOE Statement We are an...not limited to, data centers, equipment rooms, communications closets, operations centers, and user workspaces. + TS/SCI Security more
    William C Brown Inc (10/14/25)
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  • Senior Tech Installation Lead

    HCA Healthcare (Nashville, TN)
    …a critical role in the design, implementation, and management of our enterprise network infrastructure. As a Senior Technical Installations Leader, you will ... ensuring on-time and within-budget execution. * Identify and resolve complex network performance and security issues in mission-critical environments. *… more
    HCA Healthcare (10/22/25)
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  • Tier 3 Network Administrator

    Koniag Government Services (Washington, DC)
    …accounts, paid holidays, three weeks paid time off, and more. We are seeking a senior Tier 3 Network Administrator to provide elite-level support and serve as a ... technical authority on complex network deployments and operations...enterprise networks + Deep expertise in multi-vendor routing, switching, security , wireless, and protocols + Experience with SDN, automation… more
    Koniag Government Services (09/15/25)
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  • Lead Network Engineer - Infrastructure

    St. George Tanaq Corporation (Suitland, MD)
    … Engineer - Infrastructure** to support our federal government customer. The Lead Network Engineer is responsible for senior -level management and maintenance of ... Lead Network Engineer - Infrastructure WFH Flexible*Suitland, MD (http://maps.google.com/maps?q=Suitland+MD+USA) Job Type Full-time Description **Overview** Tanaq… more
    St. George Tanaq Corporation (08/15/25)
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  • Network Management Systems (NMS) Lead

    CACI International (Sterling, VA)
    …the team that designs, implements, and maintains our NMS, ensuring optimal network performance, availability, and security . **Responsibilities:** + Lead the ... management systems and tools + Oversee the daily operations of network monitoring, fault management, and...tools up to date and can monitor/manage the deployed network infrastructure + Present regular reports to senior more
    CACI International (07/26/25)
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  • Network Administrator

    GovCIO (Bismarck, ND)
    …and will be a remote position. **Responsibilities** This position is for a Senior Network Administrator in a mixed and growing environment currently supporting ... operation of the network , hardening of the network and reporting of the overall security ...the network and reporting of the overall security and operational status. The position will also recommend… more
    GovCIO (09/26/25)
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  • Senior Engineer Instrument & Control

    Mission Support and Test Services (North Las Vegas, NV)
    …the Nevada National Security Site (NNSS). In this role, the I&C Senior Engineer must take a disciplined approach to evaluating existing conditions and devising ... Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear Security Administration (NNSA).… more
    Mission Support and Test Services (10/08/25)
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