• Neya Systems (Warrendale, PA)
    …years 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...at least five (5) years of experience in a senior Linux Systems Administrator role… more
    DirectEmployers Association (10/23/25)
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  • Applied Research Solutions (Washington, DC)
    …and personalized attention from ARS Senior Managers.?? **Responsibilities:** + Support a Linux & Windows AirGapped environment. + Troubleshoot systems as ... **Description** ARS is looking for a Senior Operations & Maintenance Support. As a ...services. They will also be responsible for maintaining a Windows Active Directory domain and supporting Linux more
    DirectEmployers Association (12/10/25)
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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 team. This...configuration (Cisco experience is a plus) + Proficient in Linux and Windows system administration + Active… more
    DirectEmployers Association (11/25/25)
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  • AeroVironment (Huntsville, AL)
    …to multi-task in a dynamic, fast-paced environment + Able to configure and operate Windows and LINUX workstations + Experience in DoD test processes and/or test ... Type** Regular **Job Description** AV is looking for a Senior Modeling and Simulation Engineer to join our team....and running modeling and simulations of ballistic missile defense systems and ballistic missile threats. The Engineer will execute… more
    DirectEmployers Association (01/01/26)
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  • Pinkerton (San Jose, CA)
    …of the security system's functionality. + Apply advanced troubleshooting capabilities with Windows , Linux , and cloud server deployments and possess nimble bug ... control application engineering and security project management experience. + Knowledge of Windows , security systems , and technology applications that are … more
    DirectEmployers Association (11/20/25)
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  • Verdantas (OH)
    …Automation Engine / RPA; DevOps integrations + Knowledge of enterprise infrastructure ( Windows / Linux servers, networks, cloud services) **Soft Skills** + Strong ... scripts, Script Includes, and custom widgets. + Develop integrations with external systems using REST/SOAP APIs, MID Server, IntegrationHub, and automation tools. +… more
    DirectEmployers Association (01/03/26)
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  • Tyto Athene (Washington, DC)
    …Qualys + Experience in administrating BSD/UNIX, Windows , Windows NT, Linux , or other open-source compliant systems + Policy writing background is highly ... **Description** Tyto Athene is hiring a ** Senior Information Security and Privacy Officer** (ISPO) to...in Washington, DC. The successful candidate will ensure information systems meet security requirements and will lead and support… more
    DirectEmployers Association (12/23/25)
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  • Tyto Athene (Washington, DC)
    …vulnerability assessment tools, and techniques used for evaluating security controls on Windows , Linux , and Unix operating systems , networking devices, ... **Description** Tyto Athene is hiring a Senior **Information System Security Officer (ISSO)** to support...in Washington, DC. The successful candidate will ensure information systems and high value assets (HVA) meet NIST security… more
    DirectEmployers Association (12/27/25)
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  • Talen Energy (Allentown, PA)
    …with OT infrastructure and cybersecurity controls including: + Servers ( Windows / Linux ), virtualization (VMware/Proxmox), and backup (Commvault/Veeam). + Network ... for ensuring the secure, compliant, and reliable operation of IT and OT systems supporting critical energy and industrial infrastructure. This role bridges IT and OT… more
    DirectEmployers Association (11/08/25)
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  • JE Dunn Construction Company (Kansas City, MO)
    …scripting languages + Proficient with multiple IT platforms including Microsoft Windows , Linux , iOS, Cisco Networking, Cisco firewalls, intrusion detection ... Senior Security Engineer Location: Kansas City, MO, US,...will design, install, manage, document, and maintain enterprise security systems and standards across commonly used platforms (eg cloud,… more
    DirectEmployers Association (11/21/25)
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  • AeroVironment (Montgomery, AL)
    …of leading large-scale security initiatives and architectural decisions + Expert knowledge of Windows , Linux , and MacOS operating systems and enterprise ... **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)
    …(WinDbg, OllyDbg, gdb) + Experience with vulnerability research on one or more operating systems : Android, iOS, Windows , Linux , MacOS, VxWorks, QNX, RTOSs, ... 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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  • Acuity Inc. (Atlanta, GA)
    …+ Desire to work in a deep technology stack, writing software for MCU, DSP, embedded Linux , and Windows platforms + Ability to work well in a collaborative and ... plus: + Digital audio + Software development for custom hardware products + Additional Windows , Linux , or Android development experience QSC. is owned by Acuity… more
    DirectEmployers Association (10/21/25)
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  • ABBTECH Professional Resources, Inc. (Washington, DC)
    …common network tools (eg, ping, traceroute, nslookup, ipconfig, nbstat). + Interpret Operating Systems command line (eg, Windows , Linux ). + Navigate and ... **Cyber Defense Incident Responder- Senior ** **Location- Washington, DC** **Clearance- Top Secret** **Salary-...performance issues during events and incidents. + Integrate new systems into existing network and security architecture. + Monitor… more
    DirectEmployers Association (11/11/25)
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  • Tyto Athene (Reston, VA)
    …Deploy, GitHub Actions, GitLab CI, or Jenkins** . + Experience administering ** Linux (Ubuntu, CentOS, RedHat)** and/or ** Windows Server** , including **Active ... **Description** Tyto Athene is hiring a ** Senior Google Cloud Solutions Engineer** to design and...with Kubernetes in designing, deploying, and supporting scalable cloud-native systems is required. Familiarity with third-party tools such as… more
    DirectEmployers Association (11/04/25)
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  • National Renewable Energy Laboratory (Golden, CO)
    …III** + Experience in network, systems , or database administration across Linux and Windows environments. + Demonstrated ability to design and configure ... III** + Experience in network, systems , or database administration across Linux and Windows environments. + Demonstrated ability to design and configure… more
    DirectEmployers Association (11/25/25)
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  • Teradyne (North Reading, MA)
    …and .NET development + Solid knowledge of data structures and algorithms, and operating systems ( Windows , Linux ) + Experience with development tools: Visual ... our product, our process, and our team. All About You + 10+ years of experience developing software systems for commercial applications + Experience with C++, C#… more
    DirectEmployers Association (10/17/25)
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  • Schrdinger (NY)
    …+ Administer and maintain a diverse fleet of endpoints and servers (macOS, Windows , and Linux ), including provisioning, patching, and configuration management + ... setting) + At least two years of experience in systems administration, IT operations, or a senior ...Proven experience administering mixed-OS environments, with specific proficiency in Linux (RHEL/Ubuntu) and Windows Server + Robust… more
    DirectEmployers Association (12/03/25)
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  • Tyto Athene (Ashburn, VA)
    …environments 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 ...on Amazon Web Services (AWS). + Serve as a senior Splunk Administrator or Architect, responsible for the configuration,… more
    DirectEmployers Association (11/01/25)
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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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