• Senior Specialist Systems Engineering…

    L3Harris (Springfield, VA)
    …(or equivalent DoD 8570 IAT Level II certification), and relevant experience in both systems administration and systems engineering. The ideal candidate will ... display systems in an operations environment. + Maintain operational Windows /Linux combined Active Directory environments with full security software suite, file… more
    L3Harris (09/04/25)
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  • Network & Systems Integration Engineer

    DEFTEC (Norfolk, VA)
    …firewalls, VPNs, ACLs, and encryption technologies (eg, TLS, PKI). + Conduct system administration on Linux and Windows platforms to ensure services interoperate ... Norfolk, VA, USA | Full Time NETWORK & SYSTEMS INTEGRATION ENGINEER DEFTEC delivers mission-critical solutions through...(eg, Ansible, Terraform). + Proven experience with Linux and Windows system administration in hybrid or virtualized… more
    DEFTEC (10/10/25)
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  • Systems Engineer 2 - Washington

    M. C. Dean (District Of Columbia, DC)
    …the following core platforms and services:** + VMware ESXi and vSphere + Microsoft Windows Server 2016 and 2019 Deployment and Administration + Microsoft ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient,...Windows 10 Deployment and Administration + DNS, DFS, and DHCP + … more
    M. C. Dean (08/27/25)
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  • Principal Linux System Administrator

    BAE Systems (Manchester, NH)
    …like a team you want to be a part of? Come build your career with BAE Systems . BAE Systems is seeking a highly trained and motivated Principal Closed Area ... Systems Administrator to lead and manage classified IT infrastructure...Some after-hoursor weekend support may be required for maintenance windows or incident response. You must be able to… more
    BAE Systems (10/07/25)
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  • Senior Principal Systems Engineer Cyber…

    RTX Corporation (Marlborough, MA)
    …operating system security configuration and account management best practices for UNIX, MS Windows , Red Hat Enterprise Linux, and CISCO systems + Understanding ... US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our… more
    RTX Corporation (09/17/25)
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  • Senior Systems Administrator | Active TS…

    General Dynamics Information Technology (Quantico, VA)
    …be TS/SCI eligible) + **Required Experience:** + 5+ years of experience with Systems Administration , general computer system, network administration , and ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and… more
    General Dynamics Information Technology (08/09/25)
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  • Systems Engineer 5

    M. C. Dean (District Of Columbia, DC)
    …following core platforms and services** : + VMware ESXi and vSphere. + Microsoft Windows Server 2016 and 2019 Deployment and Administration . + Microsoft ... telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient,...Windows 10 Deployment and Administration . + DNS, DFS, and DHCP. + … more
    M. C. Dean (08/27/25)
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  • Systems Administrator

    Summit Technical Solutions (Colorado Springs, CO)
    …class team? Summit Technical Solutions (STS) (http://sts-llc.com/) is seeking a Systems Administrator to provide system administration support for enterprise ... performance tuning, and inter-system data transfer. Primary Responsibilities + The Systems Administrator Senior duties include setting up administrator and service… more
    Summit Technical Solutions (10/08/25)
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  • Network & Systems Administrator

    Leonardo DRS, Inc. (San Diego, CA)
    …with Light". Come join the family!_ **Job Summary** Primarily performs network administration duties of on-prem systems and networks including high-side and ... Administration + Proficiency in managing and maintaining servers ( Windows primarily), including performing regular updates, patches, hardening (STIG). Experience… more
    Leonardo DRS, Inc. (08/27/25)
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  • Senior Information Systems Engineer…

    RTX Corporation (Mckinney, TX)
    …five (5) years of relevant experience + Experience with systems administration of Linux, Networking, and/or Windows (in desktop or server environments) ... test systems + Develop Cybersecurity compliant **TE** (Linux, IOS, Windows ) + Install software packages/updates to enhance operations and testing of production… more
    RTX Corporation (09/13/25)
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