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System Administrator, Computing; HPC Sr. Anal Security Clearance

Job in Tucson, Pima County, Arizona, 85701, USA
Listing for: RTX
Full Time position
Listed on 2026-01-16
Job specializations:
  • IT/Tech
    Cybersecurity, IT Support
Job Description & How to Apply Below
Position: System Administrator, High Performance Computing (HPC) Sr. Anal with Security Clearance
Date Posted:

Country:
United States of America

Location:

AZ855: RMS AP Bldg M05 1151 East Hermans Road Building M05, Tucson, AZ, 85756 USA
Position Role Type:
Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements:
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
Security Clearance:
Secret - Current System Administrator, High Performance Computing (HPC) - P2 Senior Analyst Level Raytheon Digital Technology (DT) Tucson AZ - Onsite Role At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat.

Our team solves tough, meaningful problems that create a safer, more secure world.

Job Summary:

This 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. This candidate will understand Windows Server internals, and knowledge of Linux fundamentals to include 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 to include the integration of High-Performance Computing hardware, software, and operating systems (OS).

* Understanding of 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. Qualifications You Must Have:
* The role typically requires a bachelor's degree (prefer but not limited to STEM major), and a minimum of 2 years of experience, or in lieu of degree, minimum of 6 years of relevant experience is required. Those with Advanced degrees and less than one year of relevant experience will be considered as well.

* 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 Red Hat Enterprise Linux. Qualifications We Prefer:
* Experience with High Performance Computing scheduling and monitoring tools highly desired.

* 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.

* An active DoD 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…
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