Principal System Administrator

About the Position

At Raytheon, we solve tough, meaningful problems that create a safer, more secure world. We welcome candidates to join our Digital Technology team, which drives business growth with technical excellence and operational agility.

Location:

Tucson, AZ – RMS AP Bldg 805, 1151 East Hermans Road, Building 805, AZ805 85756, USA.

Employment type:

Full‑time, onsite, 100%. Travel up to 5% required.

Salary range: $82,000 – $164,000 per year. Benefits include medical, dental, vision, life insurance, short‑term disability, long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, parental leave, paid time off, and holidays.

Security clearance:
Secret (current). U.S. citizenship and an active, transferable Secret clearance are required.

Our Digital Technology organization ensures Raytheon teammates across the globe can communicate, collaborate, and innovate for customer success. We create leading‑edge technology solutions to defend against security threats and support IT infrastructure worldwide.

This role, known internally as Principal System Administrator / Principal Analyst – Infrastructure Workplace Services, collaborates with cross‑functional teams to support classified programs and infrastructure solutions.

• Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
• Provision, install, configure, operate, and maintain systems hardware and software for classified programs, including server management, storage management, cross‑platform authentication, data backup and restoration, license configuration, and workstation support.
• Understand Windows Server internals or Linux fundamentals (DNS, DHCP, AD, replication).
• Team member in a fast‑paced technological environment; troubleshoot moderate‑to‑high‑scope technical problems involving hardware and OS integration.
• Understand data RAID, backup technologies, and install/configure end‑user software applications.
• Collaborate with Cybersecurity professionals to maintain security requirements, provide documentation, training, and other tasks as assigned.
• Obtain DoDD 8140/8570 Certification (CompTIA Security+ CE or equivalent) within 6 months of start date.
• Develop solutions and documentation for a variety of technical problems.
• Support 24×7 operations and be available beyond standard hours when needed.
• Travel up to 5% as required.
• Maintain a full‑time onsite presence.

• At least a bachelor’s degree with five years of relevant experience, or a master’s degree with three years of relevant experience.
• Active, transferable U.S. government‑issued Secret security clearance (current).
• U.S. citizenship.
• Experience administering Windows or Linux systems.
• Experience with Active Directory, VMware, MySQL, or networking administration.

• VMware experience (highly desired).
• DoDD 8140/8570 certification (CompTIA Security+ CE or equivalent) and an Operating System certification.
• Experience with NISPOM, JAFAN, JSIG, DFARS or DoD/RMF.
• In‑depth work with Windows Server.
• Experience with data storage (NAS, SAN) and solutions.
• Experience with IT project lifecycle management processes.
• VMware vCenter, vSphere, ESX or other virtual computing methods experience.
• Support for engineers in software, simulations, and hardware development.
• Experience with Microsoft WSUS, SMECP, or Exchange.
• High Performance Computing (HPC) experience in a Linux environment.
• Shell scripting experience.

We value Trust, Respect, Accountability, Collaboration, and Innovation. Our benefits include medical, dental, vision, life insurance, short‑term disability, long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, parental leave, paid time off, and holidays. Specific benefits depend on the business unit and collective‑bargaining agreement. Eligible employees may also receive short‑ or long‑term incentive compensation.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified individuals with a disability and protected veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.