> Markdown version of [/jobs/ext/2715495-principal-system-administrator-must-have-a-active-ts-clearance](https://www.wearedevelopers.com/jobs/ext/2715495-principal-system-administrator-must-have-a-active-ts-clearance). 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). --- # Principal System Administrator- Must have a active TS clearance! - **Company:** RTX - **Location:** Tucson, AZ, United States - **Salary:** $86,800.0 - $165,200.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Microsoft Azure, Backup Devices, CompTIA Security+, Cyber Security, Information Systems, Continuous Delivery, Continuous Integration, Dynamic Host Configuration Protocol, Linux, RAID, Domain Name System (DNS), VMware ESX Servers, System Center Configuration Manager, Windows Servers, Network Attached Storage (Server Appliance), OpenShift, Server Administration, Virtualization Technology, VMware VSphere, Data Storage Technologies, High Performance Computing, Gitlab, Virtual Computing, Containerization, Tanzu, Kubernetes, Rancher, Vcenter, National Industrial Security Program Operating Manual (NISPOM), Wsus, Docker, Jenkins, Vmware - **Published:** September 4, 2026 - **Apply:** https://dejobs.org/x/x/989542C2741C49EFA6674480F84BF686/job/ ## About the Role Provide IT systems administration in a heterogeneous Microsoft Windows environment supporting information systems. Work as a team member in a fast-paced technological environment. Use troubleshooting techniques to resolve technical problems of basic to moderate scope and complexity to include the integration of hardware and operating systems. Manage virtualized environments. Utilize your experience with Windows Server internals to include DNS, DHCP, AD, and server replication methods. Utilize your experience with hardware RAID, hardware and software encryption and server management tools. Utilize your experience in data backup and restore, using industry best practice. Install and configure software applications requested by end users. Work with Cybersecurity professionals to maintain security requirements. Obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date. Systems are operational 24x7 and occasionally require work effort beyond standard work hours., * Typically requires a university degree and minimum 5 years prior relevant experience, or an Advanced Degree in a related field and minimum 3 years of experience * Must have and maintain a U.S. government issued top secret security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Must have Linux or Windows experience * Experience in one of the following: Active Directory, VMware, networking administration experience Qualifications We Prefer: * Active and transferable U.S. government issued Secret security clearance. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. * Experience with Containerization Technologies such as OpenShift, Kubernetes, Docker, Tanzu, and Rancher. * Experience with Continuous Integration\Continuous Delivery Tools such as Gitlab, Jenkins, and Azure DevOps. * 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 with networking administration, data storage, NAS, and SAN technologies. * Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods. * Experience with Microsoft WSUS, MECM, and/or Exchange. * High Performance Computing (HPC) experience in a Linux environment. ## 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) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) ## Related Articles - [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) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)