> Markdown version of [/jobs/ext/2693327-senior-system-administrator-will-sponsor-clearance](https://www.wearedevelopers.com/jobs/ext/2693327-senior-system-administrator-will-sponsor-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). --- # Senior System Administrator (WILL SPONSOR CLEARANCE) - **Company:** RTX - **Location:** Tucson, AZ, United States - **Experience:** Expert - **Salary:** $68,900.0 - $131,100.0 - **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 3, 2026 - **Apply:** https://dejobs.org/x/x/9FCF816435E7487F9CC39275D79346D1/job/ ## About the Role * 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. * Must be able to obtain a final U.S. government issued Secret security clearance to start. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. * Experience with Windows and/or Linux. * Experience with Active Directory, VMware, Administration, backup and recovery., * Active and transferable U.S. government issued Secret or Top 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. ## Description * Provide IT systems administration in a heterogeneous Microsoft Windows environment supporting SIPR and other 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. * Travel required as business needs dictate to other US Domestic locations, up to 10% per year. * Work full time, 100% Onsite position. ## 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) - [An alternative approach to digital sovereignty: Confidential Computing](https://www.wearedevelopers.com/videos/100043-an-alternative-approach-to-digital-sovereignty-confidential-computing) ## 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) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)