Principal System Administrator- Tucson, AZ

Raytheon Technologies is an established global aerospace and defense company with over a century of experience in engineering excellence. The company is deeply committed to supporting national security through innovative technology solutions that protect freedoms and deter aggression. As a leader in defense technology, Raytheon provides cutting-edge systems and services that address complex global security challenges and enable mission success for government and allied forces worldwide. The organization’s Digital Technology (DT) team is instrumental in delivering business growth, agility, and innovation by deploying technical proficiency and operational excellence across its enterprises. Raytheon's mission-focused culture fosters collaboration, integrity, and accountability, driving solutions that are both effective and sustainable in dynamic environments.

This role is for a Principal System Administrator based in Tucson, AZ, within the Digital Technology infrastructure Workplace Services group. The position is entirely onsite and requires a robust background in IT systems administration, primarily focused on secure, cost-effective environments for classified programs. The successful candidate will be pivotal in supporting classified information systems by provisioning, installing, configuring, operating, and maintaining Linux and Windows hardware and software infrastructure. The role involves close collaboration with program teams to develop computing solutions that meet complex security and performance demands. Candidates will work with heterogeneous environments, including Microsoft Windows servers and Red Hat Enterprise Linux systems. Key responsibilities include server and storage management, authentication and access control, backup and restoration, license administration, and direct support for workstation environments.

Candidates must demonstrate hands-on experience with Windows Server internals and Linux fundamentals such as DNS, DHCP, Active Directory, and server replication. They will utilize troubleshooting techniques to resolve moderate to complex technical issues, integrating hardware and operating systems. The position requires working closely with Cybersecurity professionals to enforce security policies, maintain compliance, and provide training and documentation for advanced IT processes. This role demands readiness to support 24x7 operational systems with occasional after-hours work and up to 5% travel. The start date depends on the ability to obtain an interim U.S. government-issued security clearance, specifically a transferable DoD Secret clearance. U.S. citizenship is mandatory.

This full-time, onsite position offers a salary range between $86,800 and $165,200, reflecting candidate experience, location, and qualifications. The candidate will enjoy a comprehensive benefits package, including medical, dental, vision, and retirement plans. Raytheon emphasizes a values-driven workplace focused on Trust, Respect, Accountability, Collaboration, and Innovation, promoting a culture that supports professional growth and work-life balance. Working at Raytheon means contributing to a safer, more connected world through rewarding and meaningful work that supports critical national security missions.