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# High Performance Computing System Administrator, Analyst, Tucson, AZ Onsite

- **Company:** RTX
- **Location:** Tucson, AZ, United States
- **Experience:** Experienced
- **Salary:** $57,200.0 - $108,800.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, User Authentication, Unix, CompTIA Security+, Cyber Security, Linux, Digital Technology, Ganglia (Software), Monitoring of Systems, Lightweight Directory Access Protocols (LDAP), Linux Servers, Windows Servers, Red Hat Enterprise Linux, Software Tools, Solaris (Operating System), Systems Integration, Scripting, High Performance Computing, SC Clearance, Slurm
- **Published:** October 8, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=19e89d59389faceb

## About the Role

* Typically requires a bachelor's degree and less than 2 years of relevant experience or a total of 4 years relevant technical experience in IT or Digital Technology.
 * 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
 * Experience in Windows and/or Linux Server Environments including directory services management, and system hardening., * High Performance Computing (HPC) experience in a Linux environment.
 * Experience in project leadership, management, or project management in a DT domain and basic to advance scripting experience.
 * Experience maintaining a medium sized Microsoft Windows Server environment.
 * Experience with Red Hat Enterprise Linux.
 * Experience with High Performance Computing scheduling and monitoring tools.
 * An active DoD Secret or Top-Secret Clearance.
 * Advanced hands-on experience with Windows and Unix security hardening, systems integrations, advanced troubleshooting, and authentication service integration (LDAP).
 * Unix (Including Linux and Solaris), experience in a medium to high complex environment(s).
 * Working knowledge of High-Performance Computing scheduling and monitoring tools such as SLURM, Grid Engine and Ganglia.

## Description

* Help develop and implement new technologies based upon industry best practices.
 * Use troubleshooting techniques to resolve technical problems at a high scope and complexity to include the integration of High-Performance Computing hardware, software, and operating systems (OS).
 * Understanding software tools, automated scripts, batch schedulers, hardware, and system-level troubleshooting, to lead and support the engineering community.
 * Perform OS tuning to maximize system performance on high performance computing systems. Work across DT functions to standardize processes and procedures.
 * Work with Cybersecurity professionals to maintain security compliance requirements.
 * Provide documentation and training on advanced DT HPC processes and procedures. Be a mentor to junior team members.
 * Must be able to obtain required Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification) within 6 months of hire date., Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as:

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

For onsite and hybrid roles, commuting to and from the assigned site is the employee's personal responsibility

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.