> Markdown version of [/jobs/ext/2520564-high-performance-computing-hpc-administrator-principal-specialist-p3](https://www.wearedevelopers.com/jobs/ext/2520564-high-performance-computing-hpc-administrator-principal-specialist-p3). 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). --- # High Performance Computing (HPC) Administrator, Principal Specialist - P3 - **Company:** RTX - **Location:** Tucson, AZ, United States - **Experience:** Experienced - **Salary:** $86,800.0 - $165,200.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, User Authentication, Unix, CompTIA Security+, Cyber Security, Dynamic Host Configuration Protocol, Linux, Digital Technology, Domain Name System (DNS), 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:** August 6, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=889cc55799ca4834 ## About the Role * Typically requires a University Degree or equivalent experience and minimum 5 years prior relevant experience, or An Advanced Degree in a related field and minimum 3 years' experience * 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. * Experience with High Performance Computing scheduling and monitoring tools., * 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 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 This Principal Specialist (P3) 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., * 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 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., 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. undefined Relocation Eligibility - This role is relocation eligible for the selected applicant if they meet company policy criteria. Learn More and Apply! 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. Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee's personal responsibility. ## Related Videos - [Running Secure Life Science Research at Scale using Hybrid GPU HPC and Kubernetes 🧬](https://www.wearedevelopers.com/videos/100355-running-secure-life-science-research-at-scale-using-hybrid-gpu-hpc-and-kubernetes) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Accelerating Python on GPUs](https://www.wearedevelopers.com/videos/859-accelerating-python-on-gpus) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## 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) - [Top 6 Hackathons for Developers in 2023](https://www.wearedevelopers.com/magazine/263-top-6-hackathons-for-developers-in-2023) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)