Senior Principal Reliability Engineer

Job Description

Date Posted : 2025-09-25

Country :

United States of America

Location :

AZ201 : RMS AP Bldg 801 1151 East Hermans Road Building 801, Tucson, AZ, 85756 USA

Position Role Type : Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements :

The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance :

DoD Clearance : Secret

At 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.

Life Cycle Engineering (LCE) is responsible for ensuring our products are Safe, Reliable, Maintainable, and delivered on time. It consists of multiple disciplines that support engineering, our program offices, and our customers throughout the total life cycle of our products—from conception to deactivation. Our primary focus is on product support, including the following disciplines : Reliability, System Safety, and Supportability.

As part of this mission, Raytheon currently has an exciting Senior Principal Engineer, Reliability Engineering opportunity available to help support our goal of making the world a safer place.

What You Will Do

Lead performance of reliability predictions.

Support design reviews.

Lead failure analysis and root cause and corrective action studies to assure Customer Satisfaction.

Complete FRACAS and FMECA related investigations and analysis.

Work across multiple engineering teams to help implement design changes for products being produced.

Lead fellow team members on program(s) to conduct test data analysis and trending.

Provide technical direction to the factory for field return assets.

Provide technical direction on system assembly and disassembly when onsite technical personnel cannot resolve problems.

Work with team members to provide data driven recommendations and solutions to the customer covering a wide range of technical subjects.

Approximately 15% Domestic and International travel may be required.

Qualifications You Must Have

Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience.

Experience with Testing and / or Testability

Experience with reliability analysis or failure analysis

Experience with FRACAS, FRB and / or RCCA

Qualifications We Prefer

Engineering leadership experience

Experience performing reliability predictions for electronic hardware.

Experience managing multiple technical projects and customer requests in a fast-paced operations environment.

Experience developing and providing technical presentations to audiences including the U.S. and international customers.

Experience with system assembly, disassembly and test.

What We Offer

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.

Relocation Eligible – Relocation assistance is available!

Learn More & Apply Now!

This is a full-time, onsite position in Tucson, AZ : -tucson,-az-location.

Please consider the following role type definition as you apply for this role.

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.

This position requires ability to obtain a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here :

We Are RTX

The salary range for this role is 124,000 USD - 250,000 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education / training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and / or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and / or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

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.

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