• ERP International (Washington, DC)
    …**ERP International, LLC** ( www.erpinternational.com ) is currently seeking a ** Systems Administrator ** with a strong background in patch management ... Disability and Veteran. **Responsibilities** **Job Specific Details and Tasks:** + Troubleshoot Windows and Linux server enviornments when patches fail during… more
    DirectEmployers Association (01/15/26)
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  • Neya Systems (Warrendale, PA)
    …of relevant experience, with at least five (5) years of experience in a senior Linux Systems Administrator role, preferably in a high-tech or regulated ... join our team. This successful person will manage our Linux -based infrastructure and our Windows -11 developer fleet...least five (5) years of experience in a senior Linux Systems Administrator role Equal… more
    DirectEmployers Association (10/23/25)
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  • Infinity Systems Engineering (Colorado Springs, CO)
    …WE ARE MORE - now, come be more with us! Job Summary: The Systems Administrator is responsible for the maintenance, configuration, and reliable operation of ... security, and providing technical support to internal users. The Systems Administrator will work closely with the...setup. + Experience or familiarity with Red Hat Enterprise Linux integration with Windows authentication services (Active… more
    DirectEmployers Association (12/05/25)
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  • AeroVironment (Arlington, VA)
    …problem resolution. + Manage client/server/storage/network infrastructure. + Configure and manage RedHat Linux and Windows systems . + Support vulnerability ... IT infrastructure. This role involves day-to-day operations, troubleshooting, and maintenance across Windows and UNIX systems . You'll work directly with both… more
    DirectEmployers Association (12/19/25)
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  • NuAxis Innovations (Fort Collins, CO)
    …related field + 7+ years of system administration experience + Expertise in AWS, Linux / Windows , IAM, and security tools **Does this opportunity sound like a fit ... **System Administrator ** Location **Fort Collins, CO** \# of openings...and compliant ECOSphere infrastructure. **Key Responsibilities** + Manage operating systems and cloud environments + Support POA&M remediation and… more
    DirectEmployers Association (01/09/26)
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  • AeroVironment (Huntsville, AL)
    …cybersecurity principles, common threats, and mitigation strategies. + Experience with Windows and/or Linux server environments. + Familiarity with ... + CompTIA Security+, Network+, CySA+ Cisco CCNA/CCNP + Microsoft Certified: Azure Administrator Associate or similar + Certified Information Systems Security… more
    DirectEmployers Association (12/20/25)
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  • Tyto Athene (Santa Barbara, CA)
    …3 or more years of hands-on Systems Administration experience including Windows based computers, network, system, server administration; Linux system and ... **Description** Tyto Athene is searching for a ** Systems Administrator /Information System Security Officer** to join our CA team. **Responsibilities:** + Provide… more
    DirectEmployers Association (12/06/25)
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  • Schrdinger (NY)
    We're seeking a ** Systems Administrator ** to join us in our mission to improve human health and quality of life! At Schrodinger, we're dedicated to advancing ... + Administer and maintain a diverse fleet of endpoints and servers (macOS, Windows , and Linux ), including provisioning, patching, and configuration management +… more
    DirectEmployers Association (12/03/25)
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  • Tyto Athene (Wright Patterson AFB, OH)
    …CCNA Security, CySA+, GSEC, GICSP, and the SSCP certification + Strong knowledge of Windows and/or Linux operating systems . + Experience with Active ... Tyto Athene is searching for a detail-oriented and proactive mid level **System Administrator ** to join our team. The ideal candidate will have 3-5 years of… more
    DirectEmployers Association (01/03/26)
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  • Argonne National Laboratory (Lemont, IL)
    Argonne has an opportunity to serve as the System Administrator of the classified National Security Systems (NSS) for the Security Programs Facility (SPF). ... software upgrades. + Experience with the administration of common Windows Server Domain Services such as Active Directory, DNS,...Veeam, or similar enterprise backup solutions. + Familiarity with Linux Server Operating Systems such as RHEL,… more
    DirectEmployers Association (11/22/25)
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  • Applied Research Associates, Inc. (Eglin AFB, FL)
    …required for secure SIPRNet operations. This role works directly with the Sr. Systems Administrator and the broader systems -admin team leading engineering ... Applied Research Associates, Inc. ( **ARA** ) is seeking a lead administrator for a SIPRNet capability supporting a DoD-owned secret-level enclave that already… more
    DirectEmployers Association (11/21/25)
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  • PSEG Long Island (Bethpage, NY)
    …and overall health of a variety of cyber security tools within a Microsoft Windows , Linux and UNIX server environments. This role will manage and support ... application development techniques. + Working knowledge and experience in supporting Microsoft Windows Server Operating Systems , Directory Services (AD), MS PKI… more
    DirectEmployers Association (11/06/25)
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  • Tyto Athene (Ashburn, VA)
    …as an applications or systems administrator . + Practical knowledge of Windows and Linux systems administration. + Experience with Linux ... . + Administer and optimize enterprise IT applications and systems in Windows and Linux ...Web Services (AWS). + Serve as a senior Splunk Administrator or Architect, responsible for the configuration, maintenance, and… more
    DirectEmployers Association (11/01/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …+ Configure, manage, secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security, ... with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven...configuration (Cisco experience is a plus) + Proficient in Linux and Windows system administration + Active… more
    DirectEmployers Association (11/25/25)
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  • Crane Aerospace & Electronics (Burbank, CA)
    …management **Minimum Qualifications** **:** + **Experience:** 2-5 years of experience as a Systems Administrator or Engineer in a medium to high volume ... Directory (Hybrid) Infrastructure; Experience administering identity and access enterprise of Linux , Oracle, and Windows environments and administering the… more
    DirectEmployers Association (12/19/25)
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  • RGP (Glen Allen, VA)
    Administrator Engineer is a hands-on platform operations and systems engineering role responsible for the reliability, security, performance, and lifecycle ... for mission-critical applications (on-prem and/or cloud). + Hands-on with Linux / Windows administration, networks, storage, certificates/PKI, and RBAC. +… more
    DirectEmployers Association (01/01/26)
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  • AeroVironment (Germantown, MD)
    …Expertise. + Deep understanding of Windows , macOS, mobile device operating systems , and working knowledge of Ubuntu/ Linux workstations. + Strong knowledge of ... role is responsible for resolving highly complex issues across multiple systems , mentoring junior staff, leading process improvement initiatives, and ensuring the… more
    DirectEmployers Association (01/06/26)
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  • Systems Administrator , Linux

    BAE Systems (Nashua, NH)
    …a Senior Closed Area Systems Administrator with proficiency in both Windows and Linux Systems to provide comprehensive technical and operational ... environments. **_In this Sr System Administrator position supporting both Windows and Linux systems you will make impacts in the following ways;_**… more
    BAE Systems (01/15/26)
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  • Senior Systems Administrator

    ManTech (Fairmont, WV)
    **MANTECH** seeks a motivated and customer-oriented **Senior Systems Administrator - Windows / Linux Dual-Stack Specialist** to join our team in **Boulder, ... experience in Systems Administration, with demonstrated expertise in both Windows Server and Enterprise Linux environments. + Expert-level, hands-on… more
    ManTech (11/05/25)
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  • Linux / Windows Systems

    COMSO, Inc (Columbia, MD)
    Linux / Windows Systems Administrator II (TS/SCI w/ Polygraph) Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time ... CWIP: IAT Level II Certification, IA Baseline Certification in Linux , Unix, Windows , or Cisco OS operating...established Standard Operating Procedures (SOPs). + Build and configure Windows Server 2019 and 2022 systems from… more
    COMSO, Inc (11/27/25)
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