• Systems Administrator

    William C Brown Inc (Springfield, VA)
    …TIER 2/3 support of Unix/Windows workstations and servers, including Web servers, network attached storage devices, and stored data in support of business processing ... day-to-day operations, monitoring and problem resolution for all of the client/server/storage/ network devices, mobile devices, etc.* Provide Tier 2 and Tier 3… more
    William C Brown Inc (07/16/25)
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  • SIGINT Systems Administrator (Low Band Journeyman)

    CACI International (Hampton, VA)
    …be responsible for resolving IT hardware and software infrastructure (servers, network , security, etc.) issues using systems analysis techniques and procedures to ... with IT infrastructure including user systems, servers, storage, and network connectivity. You will also provide system administration for...DCGS experience. + ≥3 yrs of AF SIGINT. + Linux /UNIX Experience is desired. - ** ** **What You… more
    CACI International (07/12/25)
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  • Lab Manager 3

    ARSIEM (Arlington, VA)
    …of new technologies and equipment in the lab environment. + Assesses network topology and device configurations, identifying critical security concerns and providing ... strategies across local and wide area networks. Monitor channels for storage-related network and system issues and remediate them as they occur. Minimum… more
    ARSIEM (07/10/25)
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  • Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    …infrastructure in unclassified and classified environments . Coordinating with the network service provider to develop and maintain network architecture ... systems (IPS), antivirus solutions, application firewalls, high availability systems, network management tools, and virtualization platforms . Strong knowledge of… more
    ManTech (06/28/25)
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  • Systems Administrator

    BAE Systems (Springfield, VA)
    …team maintains smooth operation of multi-user computer systems, coordinates with network engineers, monitors and manages system resources, and performs systems ... to quality with a solid understanding of systems administration concepts, network architecture, and familiar with the latest software development methodologies,… more
    BAE Systems (06/28/25)
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  • Technical Collections Engineer/Analyst_Jr. Level

    Nightwing (Sterling, VA)
    …work. **CLEARANCE LEVEL** -Top Secret/SCI with Polygraph **Required Skills:** + Network troubleshooting, network traffic characterization, and network ... system maintenance and health monitoring + Experience with Red Hat Enterprise Linux and Virtual Machines + Broad knowledge of hardware maintenance and care,… more
    Nightwing (06/27/25)
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  • Cyber Security Engineer

    Shuvel Digital (Arlington, VA)
    …and testing. * Experience and/or familiarity with the following network protection devices: Firewalls, intrusion detection and prevention systems (IDS/IPS), ... log analysis, malware analysis, network traffic flow and packet analysis * Experience with...level education. Desired Certification(s): * Certified Ethical Hacker (CEH), Windows/ Linux Admin, Azure Sentinel or Other Cloud SIEM, CISSP,… more
    Shuvel Digital (06/26/25)
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  • Hybrid Cyber Security Engineer

    Shuvel Digital (Arlington, VA)
    …and testing. + Experience and/or familiarity with the following network protection devices: Firewalls, intrusion detection and prevention systems (IDS/IPS), ... log analysis, malware analysis, network traffic flow and packet analysis + Experience with...level education. Desired Certification(s): + Certified Ethical Hacker (CEH), Windows/ Linux Admin, Azure Sentinel or Other Cloud SIEM, CISSP,… more
    Shuvel Digital (06/26/25)
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  • Cyber Security Engineer

    Nightwing (Herndon, VA)
    …candidate will have: Demonstrated experience using Splunk to ingest and analyze network data Demonstrated experience in network vulnerability analysis and ... data. Demonstrated experience with multiple operating systems such as Windows, Linux , and Mac OSX. Demonstrated experience with programming skills with scripting… more
    Nightwing (06/24/25)
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  • Operations Technician II - Pub SEC

    Lumen (Richmond, VA)
    …the world and shape the future. **The Role** The Operations Technician ( Network Operation Center Environment) will work in a challenging, hands on environment ... servers, and firewalls in a Data Center and office environment. + Network troubleshooting and fault analysis; hardware troubleshooting and repair. + Develop and… more
    Lumen (07/23/25)
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