> Markdown version of [/jobs/ext/2144774-windows-linux-system-admin](https://www.wearedevelopers.com/jobs/ext/2144774-windows-linux-system-admin). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Windows/Linux System Admin - **Company:** RTX - **Location:** Independence, TX, United States - **Experience:** Expert - **Salary:** $68,900.0 - $131,100.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Backup Devices, CompTIA Security+, Cyber Security, Dynamic Host Configuration Protocol, Linux, RAID, Domain Name System (DNS), VMware ESX Servers, Hardware Design, Windows Servers, OpenShift, Red Hat Enterprise Linux, VMware VSphere, Scripting, Data Storage Technologies, High Performance Computing, Sysadmin, Virtual Computing, Containerization, Tanzu, Kubernetes, Information Technology, Rancher, Vcenter, National Industrial Security Program Operating Manual (NISPOM), Wsus, Docker, Vmware - **Published:** August 20, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-TX-PLANO-465--465-Independence-Pkwy--INDEPENDENCE/Windows-Linux-System-Admin_01867049 ## About the Role Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance, * Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. * Experience with Windows Server internals to include DNS, DHCP, AD, and server replication methods. * Work as a team member in a fast-paced technological environment. Using troubleshooting techniques to resolve technical problems at a moderate to high scope and complexity to include the integration of hardware and operating systems (OS). * Experience with data RAID, data backup uses and technologies. * Install and configure software applications requested by end users. Working with Cybersecurity professionals to maintain security requirements and provide documentation on advanced IT processes and procedures and related tasks as assigned. * Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date. * Must be able to develop solutions and documentation to deal with a variety of technical problems. * Systems are operational 24x7 and occasionally require work effort beyond standard work hours. * Travel required up to 5% * Full time 100% Onsite position Qualifications You Must Have: * Typically requires a University degree or equivalent experience and a minimum of 2 years of prior relevant experience, or an Advanced Degree in a related field. * Active and transferrable final U.S. government issued Top Secret security clearance is required prior to start date with the ability to obtain program access after start. US citizenship is required, as only U.S. citizens are eligible for a security clearance.". **Specific Customer Clearance required before a start date will be established** * Must have Windows and/or Linux experience. * Experience in one of the following: Active Directory, VMware vCenter, vSphere. Qualifications We Value: * Linux SME. * An active DoD TS Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification). * Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF. * Experience in Windows Server. * Experience with Containerization Technologies such as OpenShift, Kubernetes, Docker, Tanzu, and Rancher. * Experience with data storage, NAS, and SAN technologies and solutions. * Experience with using Information Technology project lifecycle management processes. * Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods. * Experience supporting engineers in software, simulations, and hardware development. * Experience with Microsoft WSUS, SMECP, and/or Exchange. * High Performance Computing (HPC) experience in a Linux environment. * Scripting Experience. ## Description Senior System Administrators, based in Plano, Texas, will collaborate with many teams to support exciting, critical programs with classified information system capabilities. Success in this role means you can develop, implement and maintain secure, cost-efficient environments across various classified programs. Program teams rely on your collaboration and guidance to define computing requirements and create end-to-end solutions to solve complex IT infrastructure problems. ## Related Videos - [The Private AI Platform: Why Agentic Apps Need a Private Application Platform](https://www.wearedevelopers.com/videos/100162-the-private-ai-platform-why-agentic-apps-need-a-private-application-platform) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Develop on Windows, Deploy on Red Hat Enterprise Linux](https://www.wearedevelopers.com/videos/1600-develop-on-windows-deploy-on-red-hat-enterprise-linux) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)