• Systems Administrator

    General Dynamics Information Technology (Bluemont, VA)
    …maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance * Perform ... software installations and upgrades to Unix/Windows operating systems and layered software packages and maintains them in accordance with established policies,… more
    General Dynamics Information Technology (06/21/25)
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  • Security Operations Center Analyst

    ManTech (Herndon, VA)
    …endpoint detection and response (EDR) tools, and firewalls. + Strong understanding of network protocols, operating systems , and security architectures. + ... compliant certifications , and one of the following relevant certifications : Certified Information Systems Security Professional (CISSP), Certified Incident… more
    ManTech (06/07/25)
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  • Senior Systems Administrator - TS/SCI…

    Leidos (Fort Belvoir, VA)
    …environments. This role focuses on acquiring, configuring, and maintaining computer servers, operating systems , networks, and network file systems ... mission requirements. **Key Responsibilities:** + Acquire, configure, and maintain computer servers, operating systems , networks, and network file systems… more
    Leidos (06/11/25)
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  • Senior Cyber Security Detections Engineer

    ManTech (Springfield, VA)
    …degree + 2+ years of cyber experience + Experience with modern Windows, UNIX, network operating systems , databases, and virtual computing + Experience with ... incident trend analysis and reporting. + Characterizes and performs analysis of network traffic and system data to identify anomalous activity and potential threats… more
    ManTech (05/21/25)
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  • Systems Administrator

    William C Brown Inc (Springfield, VA)
    …maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance* Perform ... support of Unix/Windows workstations and servers, including Web servers, network attached storage devices, and stored data in support...software installations and upgrades to Unix/Windows operating systems and layered software packages and… more
    William C Brown Inc (04/16/25)
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  • Cyber Analyst II

    Leidos (Chantilly, VA)
    …Professional (CISSP) or comparable. **Favorable if you have:** + Understanding of network protocols, operating systems , and cybersecurity threats (eg, ... analytical skills, technical expertise, and a proactive approach to safeguarding critical systems and sensitive data. + Monitor network traffic, system logs,… more
    Leidos (04/09/25)
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  • Cyber Network Defense Analyst III

    Nightwing (Sterling, VA)
    …Identify and analyze anomalies in network traffic using metadata - Identify applications and operating systems of a network device based on network ... have a proactive approach to problem solving - Proficiency with common operating systems (e,g, Linux/Unix, Windows) - Experience implementing incident handling… more
    Nightwing (05/02/25)
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  • Cyber Network Defense Analyst IV AP

    Nightwing (Sterling, VA)
    …(IDS) alerts against network traffic using packet analysis tools - Identify applications and operating systems of a network device based on network ... proactive approach to problem solving - Proficiency with common operating systems (e,g, Linux/Unix, Windows) Desired Skills:...related degree; or HS Diploma & 10 years of network investigations experience. Desired Certifications : (One or… more
    Nightwing (05/10/25)
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  • Systems Administrator Senior (VMware)…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance + Integrate ... and operational support of voice and data communications hardware and software systems . + Performs configuration of operating system and security patches… more
    General Dynamics Information Technology (05/27/25)
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  • Cyber Network Defense Analyst II

    Nightwing (Sterling, VA)
    …(IDS) alerts against network traffic using packet analysis tools - Identify applications and operating systems of a network device based on network ... report events that occur, or might occur, within the network , in order to protect information, information systems...activity based off network traffic - Identify network mapping and operating system (OS) fingerprinting… more
    Nightwing (05/02/25)
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