Senior System Administrator; 2nd shift

Position Overview

Senior System Administrator – Tucson, AZ. Requires an active Secret security clearance and is eligible for relocation assistance. The position is a 2nd shift (2:00 pm–11:00 pm) with an 8% shift differential.

• Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
• Maintain knowledge of Windows Server internals and Linux fundamentals, including DNS, DHCP, Active Directory, and server replication.
• Collaborate as a team member in a fast‑paced technological environment.
• Use troubleshooting techniques to resolve moderate‑to‑high complexity technical problems, including hardware and operating‑system integration.
• Understand RAID data structures, backup technologies, and data integrity solutions.
• Install and configure software applications requested by end users.
• Work with Cybersecurity professionals to maintain security requirements.
• Provide documentation and training on advanced IT processes and procedures.
• Support 24×7 operational systems, occasionally requiring work beyond standard hours.
• Travel up to 10% per year to other U.S. domestic locations as business needs dictate.
• Operate in a challenging manufacturing environment where quality execution is critical.

• University‑level education or equivalent experience.
• Minimum of 2 years of relevant experience.
• Experience with Linux and/or Windows operating systems.
• Experience with Active Directory, VMware, backup and recovery solutions.

• Department of Defense Directive 8140 / 8570 certifications (e.g., CompTIA Security+ CE).
• Knowledge of NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF requirements.
• Experience with data storage technologies such as NAS and SAN.
• Experience with IT project lifecycle management processes.
• Experience with VMware vCenter, vSphere, ESX or other virtual computing methods.
• Experience supporting engineers in software, simulations, and hardware development.
• Experience with Microsoft WSUS, MECM, Exchange scripting.

• Salary range: $68,900 – $131,100.
• Relocation assistance available for eligible candidates.
• Medical, dental, and vision coverage.
• Life insurance.
• Short‑term and long‑term disability.
• 401(k) plan with matching contributions.
• Flexible spending accounts.
• Flexible work schedules.
• Employee assistance program.
• Employee Scholar Program.
• Parental leave.
• Paid time off and holidays.
• Additional short‑term and long‑term incentive compensation programs may apply.

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, 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.