Date Posted:2026-02-27Country:United States of America Location:US-MA-ANDOVER-AR1 ~ 358 Lowell St ~ AR1 DUKES BLDGPosition Role Type:OnsiteU.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 1At 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. Job Summary:An exciting opportunity has opened for a Principal GaN Reliability Engineer to join our RF Microelectronics/Module Design & Foundry Services Department (RFMicro) at Raytheon in Andover, MA. RFMicro develops, designs, and manufactures compound semiconductor devices, microwave/millimeter wave integrated circuits, and modules for defense applications. Your subject matter technical expertise in reliability testing and characterization, device physics, and applied statistics is key to the success on this role. As a lead engineer, you will need to communicate efficiently and effectively with a cross-functional team and are expected to demonstrate strong ownership and accountability.This 1st shift role will be 100% on-site and based in Andover, MAWhat You Will Do:Own end-to-end reliability tasks (plan, design, test, analyze, report) with strong initiatives to go above and beyond Push Device Reliability Function to a higher level through exploration of new ideas, advising and implementing new approaches and methodologies Relentlessly interact with a team of process engineers, technology owners, support team, and project leads Produce key reliability metrics such as MTTF, failure rates, and safe operating conditions Work with compound semiconductor transistors, passive components, and monolithic microwave integrated circuits (MMICs)Interact with probe stations and multiple reliability testing systems (DC and RFOL)Support onsite wafer foundry’s next-generation technology development, tool qualification, and reliability-oriented design rule verification and development Coordinate failure analysis Qualifications You Must Have:Typically requires a Bachelor’s Degree in Science, Technology, Engineering or Mathematics (STEM)A minimum 8 years of prior work experience or an Advanced Degree in a related field with minimum 5 years of prior work experience with device-level reliability testing and characterization in compound semiconductor field, preferably GaN and Ga AsExperience in the design and execution of reliability test plans Experience with applied statistic, reliability modeling, data analysis, and metrics generation 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. Qualifications We Prefer:Solid state device physics knowledge Semiconductor fabrication experienceTCAD on GaN electrothermal Failure analysis experience with SEM, FIB, STEM, etc.Experience in RF field Experience with lab tools such as probe stations, curve tracers, Keithly/Keysight equipment Experience with related industry standards such as JEDEC, MILPython, Py Qt, and data analysis tools (Pandas, Sklearn, Matplotlib)Strong problem-solving skills Project management skills Strong informal and formal reporting and presenting skills 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.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 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.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. Privacy Policy and Terms:Click on this link to read the Policy and Terms