> Markdown version of [/jobs/ext/3917778-senior-system-administrator-must-have-an-active-ts-clearance](https://www.wearedevelopers.com/jobs/ext/3917778-senior-system-administrator-must-have-an-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). --- # Senior System Administrator- Must have an active TS clearance - **Company:** RTX - **Location:** Tucson, AZ, United States - **Experience:** Expert - **Salary:** $68,900.0 - $131,100.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, 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, Windows Servers, Network Attached Storage (Server Appliance), Server Administration, VMware VSphere, Data Storage Technologies, Gitlab, Virtual Computing, Information Technology, Vcenter, Jenkins, Vmware - **Published:** October 26, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3467198466&tx=YT1313TTI&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role 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. Qualifications You Must Have: Typically requires a University degree or equivalent experience and a minimum of 2 years of prior relevant experience Active and transferable U.S. government issued Top Secret security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Experience with Windows and/or Linux. Qualifications We Prefer: 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 networking administration, data storage, NAS, and SAN technologies Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods. ## Description Senior System Administrator , internally known as Senior Analyst, based in Tucson, AZ. Information Workplace Services 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. What You Will Do: 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.