• Sr. Systems Administrator - Secret Clearance…

    Lockheed Martin (King Of Prussia, PA)
    …operations, monitoring and problem resolution for all of the client/ server /storage/network devices \-Patch and harden Windows and Linux \(Red Hat\) ... required . Extensive familiarity with system administration for Linux \(RHEL\) and Windows operating systems . Proven ability to install, secure \(harden\), and… more
    Lockheed Martin (10/29/25)
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  • Cyber Systems Administrator (Active TS/SCI)

    Northrop Grumman (Tampa, FL)
    …Ubuntu, Red Hat, PyPi, and CentOS. + Experience in troubleshooting and configuring Windows operating system and Windows Server environments to include ... these systems. + Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all supported devices, mobile devices, etc. +… more
    Northrop Grumman (10/14/25)
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  • Network Engineer - Data Center

    Trace Systems Inc (Portsmouth, VA)
    …including network, compute, storage, automation, and security. Experience working with Windows , Unix, and other server administrators to design, address ... and data center status. + Operate and manage the Server Farms. + Monitor data center and IT system...visitors logs in areas where required. + Provide job monitoring and scheduling (including reruns), job execution, cancellations and… more
    Trace Systems Inc (12/15/25)
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  • Senior Network and Security Engineer

    Sparton Corporation (De Leon Springs, FL)
    …including, but not limited to: + Monthly Security Patching. + Troubleshooting/support for Windows Server outages. + Troubleshooting/support for Linux Server ... controls, and assisting with security tooling related to network visibility, monitoring , and threat mitigation. Responsibilities and Tasks + US Citizenship is… more
    Sparton Corporation (12/14/25)
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  • Information Systems Security Manager (ISSM)

    CACI International (Albuquerque, NM)
    …(IP Networking, cyber security, or software development). + Advanced understanding of Windows Server , Active Directory, DHCP, DNS, and WSUS/SCCP. + Proficiency ... environments, or organizations do not compromise security posture. + ** Monitoring Vulnerability Postures:** Validate vulnerability postures in ACAS and...in Microsoft Windows and Linux software applications. + At least one… more
    CACI International (12/09/25)
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  • Information Systems Security Officer (ISSO)

    CACI International (Albuquerque, NM)
    …(IP Networking, cyber security, or software development). + Advanced understanding of Windows Server , Active Directory, DHCP, DNS, and WSUS/SCCP. + Proficiency ... environments, or organizations do not compromise security posture. + ** Monitoring Vulnerability Postures:** Validate vulnerability postures in ACAS and...in Microsoft Windows and Linux software applications. + At least one… more
    CACI International (11/28/25)
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  • Systems Engineer-MECM

    Alaka'ina Foundation Family of Companies (Washington, DC)
    …regulatory requirements to include but not limited to extensive engineering of Windows and Linux operating systems. + Installing, configuring and tuning operations ... network. + Cybersecurity control implementation, IT infrastructure management, resource monitoring and alerting. + Working with SAN, Enterprise backup solutions… more
    Alaka'ina Foundation Family of Companies (11/24/25)
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  • Systems Engineer

    Robert Half Technology (Jacksonville, FL)
    …engineer, systems administrator, or equivalent role + Strong hands-on experience with Windows Server , Linux, virtualization, and enterprise storage + Experience ... in supporting our business operations. Responsibilities + Design, deploy, and maintain Windows and Linux server environments + Manage and support virtualization… more
    Robert Half Technology (12/20/25)
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  • IT Systems Engineer

    ManTech (Chantilly, VA)
    …VA.** **Responsibilities include but are not limited to:** + Providing server /operating system centric knowledge for testing, deploying, integrating, and improving ... related to understanding operating system dependencies, physical and virtual server environments, integration with infrastructure resources (eg storage and… more
    ManTech (12/20/25)
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  • Information Technology/Assurance Spec I

    Global Resource Solutions (Colorado Springs, CO)
    …to submit to a Counterintelligence Polygraph Skills: + Thorough knowledge of Microsoft Windows 2008 R2/2012 R2 Server , Microsoft Exchange Server 2003/2010, ... system(s) assigned + Maintain file servers, Firewalls, network access, Security Monitoring Systems and system documentation as required + Analyze and troubleshoot… more
    Global Resource Solutions (12/19/25)
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