• Boeing (Hazelwood, MO)
    …Find your future with us. Boeing AvionX has an exciting opportunity for a Senior AvionX Controls Integration and Test Engineer to perform system integration, ... Experience integrating diverse input traffic types (serial, discrete, digital) into system -level tests Experience using network based (network analysis) tools such… more
    job goal (01/06/26)
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  • AeroVironment (Huntsville, AL)
    **Worker Type** Regular **Job Description** AV is looking for a Senior Modeling and Simulation Engineer to join our team. The candidate will be capable of executing ... building, and running modeling and simulations of ballistic missile defense systems and ballistic missile threats. The Engineer will execute planning, configuring,… more
    DirectEmployers Association (01/01/26)
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  • AeroVironment (Centreville, VA)
    …range in complexity and size to include multi-platform computing (Linux, Windows , VMWare), virtual environments, and mobile systems . Extensive experience ... point of contact for Information assurance for all site matters + Lead system documentation for information systems authorization + Developed and disseminate a… more
    DirectEmployers Association (12/23/25)
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  • Applied Research Solutions (Washington, DC)
    …from ARS Senior Managers.?? **Responsibilities:** + Support a Linux & Windows AirGapped environment. + Troubleshoot systems as needed, and route trouble ... **Description** ARS is looking for a Senior Operations & Maintenance Support. As a ...not limited to subscription and marketplace management, monitoring end-to-end system health, maintenance tasks such as patching, troubleshooting as… more
    DirectEmployers Association (12/10/25)
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  • Applied Research Solutions (Washington, DC)
    …are motivated through our industry competitive benefits package, our awards and recognition program, and personalized attention from ARS Senior Managers.?? ... **Description** ARS is looking for a Senior Platform Engineer. As a Platform Engineer, you...update management of the Virtual Machine footprint using WSUS ( Windows Server Update Services) or other enterprise scale update… more
    DirectEmployers Association (12/10/25)
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  • AeroVironment (Montgomery, AL)
    …leading large-scale security initiatives and architectural decisions + Expert knowledge of Windows , Linux, and MacOS operating systems and enterprise networking ... **Worker Type** Regular **Job Description** **Summary** The Senior Cyber Security Engineer is a key technical leader within the global Digital Business Technology… more
    DirectEmployers Association (11/01/25)
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  • Battelle Memorial Institute (Columbus, OH)
    …OllyDbg, gdb) + Experience with vulnerability research on one or more operating systems : Android, iOS, Windows , Linux, MacOS, VxWorks, QNX, RTOSs, or other ... individuals to apply. **Job Summary** Battelle is currently seeking an aspiring ** Senior ** **Vulnerability Researcher** to work in our **Columbus, OH** location. Do… more
    DirectEmployers Association (11/14/25)
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  • ABBTECH Professional Resources, Inc. (Washington, DC)
    **Cyber Defense Incident Responder- Senior ** **Location- Washington, DC** **Clearance- Top Secret ** **Salary- $110k-130k/yr** _The above salary range represents ... common network tools (eg, ping, traceroute, nslookup, ipconfig, nbstat). + Interpret Operating Systems command line (eg, Windows , Linux). + Navigate and operate… more
    DirectEmployers Association (11/11/25)
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  • Applied Research Solutions (Dayton, OH)
    …are motivated through our industry competitive benefits package, our awards and recognition program, and personalized attention from ARS Senior Managers.?? ... **Description** ARS is looking for an Information System Security Officer (ISSO). Our desire is to...professionals that will provide expertise in Cybersecurity, Cloud, and Systems Engineering, who will support the development and sustainment… more
    DirectEmployers Association (12/17/25)
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  • Applied Research Solutions (Dayton, OH)
    …are motivated through our industry competitive benefits package, our awards and recognition program, and personalized attention from ARS Senior Managers.?? ... for system operations transfer to an alternate site based on system availability requirements + Ensure all systems security operations and maintenance… more
    DirectEmployers Association (11/21/25)
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  • Applied Research Associates, Inc. (Eglin AFB, FL)
    …services required for secure SIPRNet operations. This role works directly with the Sr . Systems Administrator and the broader systems -admin team leading ... a lead administrator for a SIPRNet capability supporting a DoD-owned secret -level enclave that already houses an air-gapped software-development environment. The… more
    DirectEmployers Association (11/21/25)
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  • Sr . Linux/ Windows Systems

    Lockheed Martin (King Of Prussia, PA)
    …installing, patching, troubleshooting and hardening Linux and Windows operating systems \(both bare\-metal and virtual machines\) * System Administration ... networking topographies, Virtualization Technologies * Must currently have an active Top Secret Clearance **Desired Skills:** * Windows and Linux OS… more
    Lockheed Martin (11/14/25)
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  • Secret Cleared Windows and Linux…

    Insight Global (Pearl City, HI)
    …Skills and Requirements Active Secret Clearance 3+ Years of Experience with Windows System 2+ years of experience with Linux Servers Experience Running and ... system administration for physical and virtual servers . Windows server system administration for physical and...Linux . LPIC-2 Advanced Level Linux Professional . LPIC-3 Senior Level Linux Professional . RHCE Red Hat Certified… more
    Insight Global (01/06/26)
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  • Information Systems Analyst, Stf…

    Lockheed Martin (Littleton, CO)
    …with the Enterprise Operations' Enterprise Business & Digital Transformation \(EBDT\) organization** Windows System Administrator Windows System ... \(EO\) is seeking a highly skilled and experienced Full\-Time Windows System Administrator to support the Space...including Active Directory and Group Policy * Experience with Windows /Linux administration or NetApp storage systems *… more
    Lockheed Martin (12/04/25)
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  • Senior Windows Systems

    Adapt Forward (North Charleston, SC)
    Systems Administrator IV, Senior Windows Systems Administrator North Charleston, SC Secret Clearance with upgrade to Top Secret As a Windows ... within enterprise-class environment + Provide support for emergent Windows operating system issues + Competent and...issues + Competent and adaptable in all areas of Windows systems administration + Other Duties as… more
    Adapt Forward (12/17/25)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI ... to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall support the...hands-on experience providing O&M support of enterprise server operating systems (OSs) ( Windows Server, Red Hat Enterprise… more
    V2X (11/15/25)
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  • Sr . Windows Administrator

    CGI Technologies and Solutions, Inc. (Radford, VA)
    …**Your future duties and responsibilities:** This position is for a Senior Systems Administrator supporting the ALTESS Windows team. This is currently a ... ** Sr . Windows Administrator** **Category:** Infrastructure/Cloud **Main...Clearance. e) Five or more years' experience as a Windows Systems Administrator or Engineer with three… more
    CGI Technologies and Solutions, Inc. (01/07/26)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …in written and verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system engineers, PC ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description**...requirements for solutions to problems by means of automated systems . + Recommend and implement system enhancements… more
    Northrop Grumman (01/07/26)
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  • Sr . Systems Administrator…

    Lockheed Martin (King Of Prussia, PA)
    …. An Active Final secret clearance is required . Extensive familiarity with system administration for Linux \(RHEL\) and Windows operating systems . ... and problem resolution for all of the client/server/storage/network devices \-Patch and harden Windows and Linux \(Red Hat\) and networking systems with Security… more
    Lockheed Martin (10/29/25)
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  • Sr Windows Systems

    Watershed Security (Pensacola, FL)
    …looking for qualified candidates to join our team in Pensacola, FL as a Senior Windows Systems Administrator with demonstrated experience conducting VMWare ... system outage or surge support + Active DoD Secret clearance or higher + Must possess current IAT...+ Must have 8 or more years of progressive Windows and VMWare administration experience in an enterprise-scale environment… more
    Watershed Security (01/07/26)
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