Principal System Administrator- Tucson, AZ

Date Posted:2026-06-24 Country:United States of America Location:US-AZ-TUCSON-848 ~ 1151 E Hermans Rd ~ BLDG 848 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 Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start dateAt 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.  Empowering a global business. Providing affordable solutions. Delivering competitive discriminators by unleashing deep expertise. These are just some of the many ways the Digital Technology team at Raytheon creates success for our customers. Joining our team will allow you to collaborate with Raytheon organizations to enable business growth, speed, and agility through business innovation, technical proficiency, and operational excellence.Our Digital Technology (DT) organization ensures that Raytheon teammates across the globe are able to communicate, collaborate and innovate for customer success. We create leading-edge technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world.Principal System Administrators, based in Tucson, AZ, infrastructure 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 and Redhat Enterprise Linux environment. Lead and coordinate the Red Hat Installation and configuration.Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux/Windows infrastructure for classified programs. Duties include, but are not limited to, server management (software and hardware); storage management (logical and physical); cross platform authentication and access management; data backup and restoration; software and license configuration; and workstation supportUnderstanding and knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods. Working as a team member in a fast-paced technological environment.  Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS).Understanding data RAID, data backup uses and technologies. Install and configure software applications requested by end users.  Work with Cybersecurity professionals to maintain security requirements and provide documentation and training on advanced IT processes and procedures and other tasks as assigned.Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) .Must be able to develop solutions and documentation to deal with a variety of technical problems.Systems are operational 24x7 and occasionally require work effort beyond standard work hours.Travel required up to 5%Full time 100% Onsite positionStart date will not be set until Interim clearance issued.Qualifications You Must Have:Typically requires a bachelor’s degree and minimum of 5 years of prior relevant experience or a master’s degree and minimum of 3 years of prior relevant experienceMust be able to obtain transferable U.S. government issued secret clearance prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Start date will be set once Interim clearance is issued Must have Linux or Windows experienceExperience in one of the following: Active Directory, VMware, MySQL, networking administration experience.Qualifications We Prefer:An active DoD TS/SCIDepartment of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification)Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMFIn-depth working experience in Windows ServerExperience with data storage, NAS, and SAN technologies and solutionsExperience with using Information Technology project lifecycle management processes.Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods.Experience supporting engineers in software, simulations, and hardware development.Experience with Microsoft WSUS, SMECP, and/or ExchangeHigh Performance Computing (HPC) experience in a Linux environmentScripting ExperienceWhat We Offer:Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.Relocation Eligibility 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.The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of