• Systems Security Engineer II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …and policy set forth by the DoD + Experience with both Windows or Linux operating systems + DoD 8140 Certification (Ex: CompTIA Security+, CompTIA CySA+, ... implementing and maintaining compliance controls. + Experience with Red Hat Enterprise Linux and Windows Server virtualized administration and deployment. This… more
    Sierra Nevada Company, LLC (09/10/25)
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  • Systems Administrator Principal

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Create and plan migration process to support applications hosted by the Windows/ Linux systems . + Complete system security checklists, patches, upgrades, ... IT Infrastructure and Operations **Skills:** Computer Backups,Information Technology (IT) Systems ,Microsoft Windows Server,System Administration **Certifications:** CompTIA Security+… more
    General Dynamics Information Technology (09/30/25)
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  • Network and Computer Systems Administrator…

    NANA Regional Corporation (Orlando, FL)
    …various different platforms or services like Tenable (ACAS), DHCP, and DNS on Linux operating systems . + May assist in network modeling, analysis, planning, ... Windows Server + Windows 10 + Red Hat Enterprise Linux 7/8/9 + Ansible Automation + Satellite Server configuration...8/9. + Windows Server 2019/2022. + Active Directory (AD) administration . + Synology NAS systems . + Application… more
    NANA Regional Corporation (09/03/25)
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  • Alternate CRO Cyber Systems Administrator

    SAIC (Kirtland AFB, NM)
    **Description** SAIC is looking for an experienced **Alternate CRO Cyber Systems Administrator** with a systems administration background to be an alternate ... COMSEC responsible officer (CRO) and perform systems administration work with the cybersecurity team...Minimum 1 year of proven work experience as a Linux systems administrator, Red Hat-based distributions preferred.… more
    SAIC (08/15/25)
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  • Senior System Administrator

    CACI International (Aurora, CO)
    …this contract, you will be on an engineering team that provides IT Systems Administration support to global real-time operational activities. Critical thinking ... -based virtual server environments + Hands-on working knowledge of RedHat linux systems + Responsible for pro-active systems monitoring and evaluation… more
    CACI International (09/03/25)
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  • Geospatial Systems Administrator

    CACI International (Fort Bragg, NC)
    …and support related to computer systems , hardware, and software required for MS and LINUX operating systems + At least 2 years of experience within the past ... Geospatial Systems Administrator Job Category: Information Technology Time Type:...Server, Microsoft Active Directory, NetApp Storage Solutions, VMWare, and Linux server software. The candidate's experience and knowledge will… more
    CACI International (07/30/25)
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  • Senior Systems Engineer

    Robert Half Technology (Las Vegas, NV)
    …Directory security: Kerberos, LDAP, PKI, MFA, and identity hardening. + Experience with Linux systems in mixed Wintel/Unix environments a plus. + Proficiency in ... Description As a Senior Systems Engineer, you will design, implement, and maintain...service level agreements and key performance indicators. + Oversee administration of Windows Server (2016/2019/2022) environments, Active Directory, Group… more
    Robert Half Technology (09/06/25)
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  • NCIS Cyber Systems Administrator - SecOps…

    General Dynamics Information Technology (Quantico, VA)
    …Citizenship required** **WHAT WE'D LOVE FOR YOU TO HAVE:** + ACAS Management + LINUX Systems Administration Experience (SPLUNK) + Forescout Experience **GDIT ... eligibility. + **Required Experience:** + 5+ years of experience with systems administration : + DoD system accreditation process + STIG checklist review process… more
    General Dynamics Information Technology (08/28/25)
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  • Senior Systems Administrator

    ChenMed (Miami, FL)
    …rapidly expanding and we need great people to join our team. The Senior Systems Administrator is responsible for the administration , management and health of all ... servers + Familiar with golden image creation, patching, and updated Microsoft & Linux operating systems in AWS + Maintains, deploys, and updates internally… more
    ChenMed (09/18/25)
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  • Lab Manager /System Administration

    Node.Digital (Arlington, VA)
    …is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of ... technologies and equipment in the lab environment. - Providing ongoing systems administration , technical support, upgrades, patching and troubleshooting… more
    Node.Digital (09/17/25)
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