• Senior Windows Administrator

    TekSynap (Radford, VA)
    …applications/websites (eg, IIS, Apache). + Five (5) years working in complex network environments with strong knowledge of TCP/ IP , DNS, DHCP, SMTP, ... Five (5) years as a Windows Systems Administrator or Engineer , including 3 years of task automation using PowerShell....Certified Solutions Expert (MCSE). + Server+. + Cisco Certified Network Associate (CCNA). **Clearance** + Secret - IT- II more
    TekSynap (10/25/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …Issues **Certifications:** CompTIA Security+ CE | CompTIA - CompTIA, Red Hat Certified Engineer (RHCE) | Red Hat - Red Hat **Experience:** 5 + years of ... and usage charts, including CPU usage, disk usage and network uptime for the Linux Servers. + Provide general...calls, file systems, processes, etc.) + General understanding of TCP/ IP and related protocols (HTTP, FTP, NFS, etc.) +… more
    General Dynamics Information Technology (10/25/25)
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  • ISSE (Hybrid)

    Huntington Ingalls Industries (Columbia, MD)
    …process. Job Description Enlighten is looking for an Information Systems Security Engineer (ISSE). Candidate will perform system or network designs that ... acceptable and RMF preferred). + A working knowledge of TCP/ IP suite of protocols and services, computer architectures, and... suite of protocols and services, computer architectures, and network topologies is required. + DoD 8570 compliance with… more
    Huntington Ingalls Industries (08/08/25)
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  • Cyber Security Operations Specialist III - Tier 3

    CACI International (Springfield, VA)
    …Local * * * **The Opportunity:** Join our team as a CSOC Tier 3 Engineer and play a critical role in cybersecurity incident response. This position offers a unique ... and implement tasks during cybersecurity incident response, including containment measures, IP blocks, domain blocks, and disabling user accounts. + Perform advanced… more
    CACI International (08/23/25)
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