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Principal Reliability Engineer Jobs (NOW HIRING)

Principal Reliability Engineer

Fremont, CA · Hybrid

$121K - $152K/yr

The Principal Reliability Engineering role is pivotal in this process, focusing on design for reliability, qualification testing, and ensuring the long-term reliability of leading-edge optoelectronic ...

Principal Reliability Engineer

El Paso, TX

$92K - $116K/yr

We are looking for a Principal Reliability Engineer to join our team located in Tucson, AZ. What You Will Do: * Develop and implement reliability strategy across multiple product phases including ...

Principal Reliability Engineer

San Diego, CA

$108K - $137K/yr

We are looking for a Principal Reliability Engineer to join our team located in Tucson, AZ. What You Will Do: * Develop and implement reliability strategy across multiple product phases including ...

Principal Reliability Engineer

San Jose, CA

$120K - $151K/yr

We are looking for a Principal Reliability Engineer to join our team located in Tucson, AZ. What You Will Do: * Develop and implement reliability strategy across multiple product phases including ...

Principal Reliability Engineer

Plymouth, MN · On-site +1

$132K - $198K/yr

A Day in the Life Our PVH OU is looking for their next Principal Reliability Engineer to support business critical programs within the New Product Development Core team. U.S. Candidates: This role ...

Principal Reliability Engineer

Miami, FL

$98K - $123K/yr

We are looking for a Principal Reliability Engineer to join our team located in Tucson, AZ. What You Will Do: * Develop and implement reliability strategy across multiple product phases including ...

Principal Reliability Engineer

Austin, TX

$101K - $127K/yr

We are looking for a Principal Reliability Engineer to join our team located in Tucson, AZ. What You Will Do: * Develop and implement reliability strategy across multiple product phases including ...

Principal Reliability Engineer

Phoenix, AZ

$101K - $128K/yr

We are looking for a Principal Reliability Engineer to join our team located in Tucson, AZ. What You Will Do: * Develop and implement reliability strategy across multiple product phases including ...

We are looking for a Principal Reliability Engineer to join our team located in Tucson, AZ. What You Will Do: * Develop and implement reliability strategy across multiple product phases including ...

Principal Reliability Engineer

Orlando, FL

$95K - $120K/yr

We are looking for a Principal Reliability Engineer to join our team located in Tucson, AZ. What You Will Do: * Develop and implement reliability strategy across multiple product phases including ...

A Day in the Life Our PVH OU is looking for their next Principal Reliability Engineer to support business critical programs within the New Product Development Core team. U.S. Candidates: This role ...

Principal Reliability Engineer

Provo, UT · On-site

$97K - $122K/yr

We are looking for a Principal Reliability Engineer to join our team located in Tucson, AZ. What You Will Do: * Develop and implement reliability strategy across multiple product phases including ...

Principal Reliability Engineer

Tucson, AZ

$96K - $122K/yr

We are looking for a Principal Reliability Engineer to join our team located in Tucson, AZ. What You Will Do: * Develop and implement reliability strategy across multiple product phases including ...

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Principal Reliability Engineer information

See salary details

$74K

$147.2K

$212.5K

How much do principal reliability engineer jobs pay per year?

As of Jun 5, 2026, the average yearly pay for principal reliability engineer in the United States is $147,220.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,500.00 and $173,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Principal Reliability Engineer, and why are they important?

To thrive as a Principal Reliability Engineer, you need deep expertise in reliability engineering principles, statistical analysis, and a degree in engineering or a related field. Familiarity with reliability modeling software (such as ReliaSoft), FMEA/FMECA tools, root cause analysis methodologies, and relevant industry certifications like CRE (Certified Reliability Engineer) is typically required. Strong problem-solving, leadership, and communication skills help drive cross-functional initiatives and mentor junior engineers. These skills ensure the development and maintenance of high-quality, dependable systems, reducing downtime and increasing operational efficiency.

How does a Principal Reliability Engineer typically contribute to cross-functional teams, and what collaboration challenges might arise?

As a Principal Reliability Engineer, you play a pivotal role in partnering with design, operations, and maintenance teams to ensure system reliability from concept through deployment. You’ll often lead failure analysis reviews, set reliability goals, and guide best practices across departments. Challenges can include aligning different teams’ priorities, communicating complex technical concepts to non-engineers, and driving consensus on design or process changes. Success in this role depends on strong communication skills and the ability to foster a collaborative, solutions-focused environment.

What is a Principal Reliability Engineer?

A Principal Reliability Engineer is a senior-level professional responsible for ensuring that systems, products, or processes are dependable and function reliably over time. They use their expertise to identify potential points of failure, implement preventive maintenance strategies, and analyze data to improve system performance. Principal Reliability Engineers often lead teams, develop reliability policies, and work closely with other engineering disciplines to enhance product quality and reduce downtime. Their work is critical in industries such as manufacturing, aerospace, automotive, and technology. They typically possess extensive experience in reliability engineering and advanced problem-solving skills.

What is the difference between Principal Reliability Engineer vs Reliability Engineer?

AspectPrincipal Reliability EngineerReliability Engineer
CredentialsTypically requires a Bachelor's or Master's in Engineering, certifications like CRE or Six SigmaSimilar educational background, often with certifications in reliability or quality
Work EnvironmentLeads reliability strategies across projects, often in senior or lead rolesFocuses on analyzing data, testing, and improving product reliability
Industry UsageUsed in manufacturing, aerospace, energy, and tech industriesCommonly found in similar industries, supporting reliability initiatives
Search & ComparisonOften compared for seniority and scope of responsibilityCompared for technical expertise and hands-on reliability work

The Principal Reliability Engineer typically oversees reliability strategies and leads teams, while the Reliability Engineer focuses on technical analysis and implementation. Both roles require similar credentials and are vital in industries prioritizing product and system dependability.

More about Principal Reliability Engineer jobs
What cities are hiring for Principal Reliability Engineer jobs? Cities with the most Principal Reliability Engineer job openings:
What states have the most Principal Reliability Engineer jobs? States with the most job openings for Principal Reliability Engineer jobs include:
What job categories do people searching Principal Reliability Engineer jobs look for? The top searched job categories for Principal Reliability Engineer jobs are:
Infographic showing various Principal Reliability Engineer job openings in the United States as of May 2026, with employment types broken down into 83% Full Time, and 17% Contract. Highlights an 72% In-person, and 28% Remote job distribution, with an average salary of $147,220 per year, or $70.8 per hour.
Senior Principal Reliability Engineer

Senior Principal Reliability Engineer

Raytheon

Los Angeles, CA

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 11 days ago


Raytheon rating

9.1

Company rating: 9.1 out of 10

Based on 81 frontline employees who took The Breakroom Quiz

3rd of 515 rated manufacturers


Job description

Date Posted:

2026-05-05

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 date
Job Description

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. 
 

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

The Senior Principal Reliability Engineer will develop and implement Reliability engineering strategy and lead a Reliability engineering team supporting development, production and sustainment product phases. This includes developing reliability requirements, analyses, and test methodology. The Senior Principal Reliability Engineer will be expected to have deep knowledge and experience with a variety of reliability engineering sub-disciplines including Failure Modes Effects Criticality Analysis (FMECA), Environmental Stress Screening (ESS) process optimization, Reliability Predications, Derating Analysis and overseeing Failure Reporting and Corrective Action (FRACAS) practitioners. In the course of their job responsibilities, the Senior Principal Reliability Engineer will interface closely with program and functional leadership, as well as customers, and oversee reliability engineers of varying experience levels, including mentoring and coaching. We are looking for a Senior Principal Reliability Engineer to join our team located in Tucson, AZ.

What You Will Do:

  • Develop and implement reliability strategy across multiple product phases including development, production and sustainment.

  • Lead and oversee an engineering team consisting of varying levels of experience and engineering sub-disciplines.

  • Lead analysis efforts supporting system design with respect to product Reliability, Maintainability, and Failure Analysis/Reporting.

  • Serve as a Subject Matter Expert (SME) in reliability disciplines including FMECA, Predictions, Derating and ESS Optimization.

  • Identify gaps in expertise, coach other Reliability engineers and work with functional leadership in identifying and implementing Reliability engineering development.

  • Review technical documentation for accuracy and compliance with existing standards.

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 reliability requirements, analyses and/or test methodology development.

  • Ability to obtain Interim Secret U.S. government issued security clearance is required prior to start date.

Qualifications We Prefer:

  • Experience with FMECA, Reliability Predictions, ESS, Derating.

  • Experience leading engineering teams.

  • Customer focus and collaboration skills.

  • Excellent written and oral communication skills; knowledge of MS Office tools, and Experience in the preparation and presentation of briefing material.

  • Ability to review technical documentation for accuracy and compliance with existing standards with the ability to identify concerns, suggest solutions, and follow through to closure.
     

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.
     

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.
     

  • Clearance Information: This position requires 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: https://www.state.gov/m/ds/clearances/c10978.htm 
     

  • Tucson, AZ: https://careers.rtx.com/global/en/raytheon-tucson,-az-location

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 132,400 USD - 251,600 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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