Principal Reliability Engineer Onsite

Prattwhitney; Portsmouth (RI); On-site; USD 108,000 - 205,000; Full time

Benefits offered by this job

Medical

Dental

Vision

401(k) match

Paid time off

Holidays

Life insurance

Short/Long-term disability

Job summary

RTX in Portsmouth, RI joins Raytheon’s SE&TC Surface Radars & Sensors Center as a Principal Reliability Engineer. You will develop reliability analyses and models to ensure our products are safe, reliable, and maintainable throughout their life cycles.

The role requires 8+ years of experience in RAM/FRACAS methods, strong analytical skills, and the ability to present complex technical material to diverse audiences. Onsite work with travel and competitive RTX benefits.

Qualifications

• Typically requires a STEM degree and 8+ years of relevant experience.
• Experience with RAM, FMECA/FDFI, and reliability analyses.
• Knowledge of MTBF/MTBCF, Ao and probabilistic risk assessment.

Responsibilities

• Conduct RAM analyses, reliability predictions and maintainability analyses.
• Perform FMECA/FDFI analyses and develop RAM requirements.
• Maintain RAM performance metrics: MTBF, MTBCF, Ao and system models.
• Lead FRACAS tasks, trend analysis, and present findings to stakeholders.
• Support RAM-related Basis of Estimates (BOEs) and project schedules.

Skills

RAM analyses

FMECA/FDFI analyses

RAM predictions

MTBF/MTBCF/Ao

Data interpretation

Stakeholder communication

Education

STEM degree

Job description

Date Posted: 2026-09-09 Country: United States of America Location: US-RI-PORTSMOUTH-PS2 ~ 1847 W Main Rd ~ NIMITZ SOUTH BLDG 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 Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1

At RTX, the world’s largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon's brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. Raytheon's Systems Engineering and Test Capabilities (SE&TC) Surface Radars & Sensors Center seeks talented Principal Reliability Engineer to join the Life Cycle Engineering (LCE) team. LCE is responsible for ensuring our products are Safe, Reliable, Maintainable, Sustainable and delivered on time. LCE consists of multiple disciplines that support engineering, our program offices and our customers. Life Cycle Engineers participate in the total life cycle of our products from conception to deactivation. In this role, you will develop reliability and maintainability analyses and models to ensure our products and systems are highly reliable and sustainable throughout their life.

What You Will Do

• Conducting Reliability, Availability, and Maintainability (RAM) analyses, including reliability predictions and maintainability predictions.
• Performing Failure Modes Effects and Criticality Analyses (FMECA) and Fault Detection/Fault Isolation (FDFI) analyses.
• Defining/allocating RAM requirements.
• Assessing RAM performance: Mean Time Between Failure (MTBF), Mean Time Between Critical Failure (MTBCF) & Operational Availability (Ao).
• Interpreting data and analyzing results.
• Performing Probability Risk Assessment.
• Ensuring performance compliance with requirements.
• Maintaining complex Reliability Block Diagrams (RBD) and system models.
• Performing Failure Reporting Analysis and Corrective Action System .(FRACAS) tasks, including trend analysis and failure investigations and presenting to internal and external stakeholders at program meetings and Failure Review Boards (FRB).
• Supporting the proposal process in developing Basis of Estimates (BOEs) for RAM work.
• Tracking Earned Value (EV) and providing accurate status on the schedule and budget for the RAM/FRACAS scope.
• This position requires domestic travel, which is not expected to exceed 10%.

Qualifications

• Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience.
• Experience with Reliability, Maintainability, Failure Analysis and/or Electrical Design.
• Experience with Reliability and FRACAS Engineering Concepts including knowledge of reliability and maintainability predictions, FMECA/FDFI, RBDs, MTBF/MTBCF, Ao and probability risk assessment.
• Electrical Engineering experience, Electrical Engineering degree/education preferred.
• Strong analytical skills with the ability to collect, organize, analyze, and disseminate significant amounts of information with attention to detail and accuracy.
• Ability to present technical material to audiences.
• Ability to work collaboratively across disciplines.
• Strong communication, interpersonal skills and ability to develop strong customer relationships.

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
• Innovation

Relocation Eligible– Relocation assistance available

The salary range for this role is 107,500 USD - 204,500 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.

• 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
• 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.

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.

Welcome to Raytheon in Portsmouth, RI 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.

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.

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.