Senior Reliability Engineer Jobs in Lowell, MA (NOW HIRING)

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.

Date Posted: 2026-08-10 | Location: US-MA-WOBURN-WB2 ~ 225 Presidential Way ~ GODDARD BLDG | Position: Senior Reliability Engineer | Role Type: Onsite | Security Clearance: DoD Secret (Active and existing required after day 1) | US citizenship required.

We are seeking a Senior Reliability Engineer in the Systems Engineering and Test Capabilities (SE&TC) Life Cycle Engineering (LCE) Long Range Radars department, focusing on the Reliability Engineer discipline. This onsite role is based out of Woburn, MA.

• Conducting RAM analyses, including reliability predictions and maintainability predictions.
• Performing Failure Modes Effects and Criticality Analyses (FMECA) and Fault Detection/Fault Isolation (FDFI) analyses.
• Generating Reliability Block Diagrams (RBDs)/system models.
• Defining/allocating RAM requirements.
• Reviewing field failure data and assessing performance using calculations such as Mean Time Between Failure (MTBF), Mean Time Between Critical Failure (MTBCF) & Operational Availability (Ao).
• Interpreting data and analyzing results.
• Ensuring performance compliance to requirements.
• Assisting in maintaining FMECAs and RBDs.
• Providing RAM input and support to program meetings such as Failure Review Boards (FRBs) and Technical Interchange Meetings (TIMs).
• Working cross-functionally with Sustainment, Site, and other Life Cycle Engineering teams.
• 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 scope.

Must Have:

• A degree in Science, Technology, Engineering or Mathematics (STEM)
• Minimum of 5 years of prior relevant experience
• Experience with Failure Analysis, Reliability, and/or FRACAS Engineering concepts

Prefer:

• Experience with Reliability Engineering Concepts including knowledge of reliability and maintainability predictions, FMECA/FDFI, RBDs, MTBF/MTBCF, Ao
• Electrical Engineering experience
• Electrical Engineering degree/education preferred
• Task leadership or project management experience, familiar with concepts such as Earned Value
• 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

• The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels.
• 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.
• Relocation Eligibility – Relocation assistance available.

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. 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 anticipates the application window closing approximately 40 days from the date the notice was posted.

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.

At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

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.