Computing System Administrator, Sr Analyst, Onsite Tucson AZ
Listed on 2026-03-07
-
IT/Tech
IT Support, Cybersecurity
Location
US-AZ-TUCSON-M05 ~ 1151 E Hermans Rd ~ BLDG M05 (External Site)
Date PostedCountryUnited States of America
Position Role TypeOnsite
U.S. Citizen, U.S. Person, or Immigration Status RequirementsActive 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.
Security Clearance TypeSecret - Current
Security Clearance StatusActive and existing security clearance required on day 1
Job TitleSystem Administrator, High Performance Computing (HPC) – P2 (Senior Analyst Level, Raytheon Digital Technology, Tucson AZ – Onsite Role)
Job SummaryThis Senior Analyst (P2) High-Performance Computing (HPC) candidate will provide Raytheon Digital Technology with High Performance Computing Administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. The candidate will understand Windows Server internals, and have knowledge of Linux fundamentals including DNS, DHCP, AD, and server replication methods.
This position is an onsite role in our Tucson, Arizona location. Relocation support will be provided to the selected applicant if they meet company policy eligibility requirements.
What You Will Do- Work as a team member in a fast-paced technological environment.
- Help develop and implement new technologies based upon industry best practices.
- Use troubleshooting techniques to resolve technical problems at a moderate scope and complexity, including integration of High-Performance Computing hardware, software, and operating systems.
- Understand and utilize 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 and 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. Mentor 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.
- Typically requires a University Degree or equivalent experience and minimum 2 years of prior relevant experience, or an Advanced Degree in a related field.
- 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.
- Experience maintaining a medium sized Microsoft Windows Server environment.
- Experience with High Performance Computing scheduling and monitoring tools highly desired.
- Experience with Red Hat Enterprise Linux.
- High Performance Computing (HPC) experience in a Linux environment.
- Experience in project leadership, management, or project management in a DT domain and basic to advanced scripting experience.
- Active DoD Top-Secret Clearance.
- Advanced hands‑on experience with Windows and Unix security hardening, system 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.
- Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value Safety, Trust, Respect, Accountability, Collaboration, and Innovation.
- Relocation Eligibility – This role is relocation eligible for the selected applicant if they meet company policy criteria.
- 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…
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).