Principal Process Engineer Jobs in Lowell, MA (NOW HIRING)

Date Posted:
2026-08-19
Country:
United States of America Location:
US-MA-ANDOVER-AR1 ~ 358 Lowell St ~ AR1 DUKES 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 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. An exciting opportunity exists at Raytheon for a Principal Semiconductor Fab In-Process RF Test Engineer to join our semiconductor foundry engineering team within the RF Microelectronics/Module Development & Foundry Services Department. The successful candidate in this role would work with a group of skilled RF test engineers to test advanced microelectronic devices in accordance with various technology roadmaps in support of Raytheon's business pursuits. These road maps consist of both near term efforts on the cusp of transition-to-production, as well as longer term development efforts that maintain a pipeline of innovation. The ideal candidate will possess experience in production testing and III-V semiconductor processing, with a preference for expertise in GaAs, GaN, GaSb, or acoustic devices. Presence on the foundry floor is essential for understanding technical and logistical issues. The role requires a large degree of multitasking with attention to detail while managing priorities depending on the nature of the problems and the commitments to customers and programs. This role will be 100% on-site and based in Andover, MA. What You Will Do: * Perform and supervise in-process RF measurements on GaAs (Gallium Arsenide) and GaN (Gallium Nitride) MMICs, transistors and test structures.
* Improve test procedures and work to improve test-related product yield issues.
* Consult on new equipment purchases and work to increase test speed, accuracy, and through-put.
* Drive install, qualification, and process matching of new test equipment in the foundry
Trouble-shoot test issues and mentor test engineers Qualifications You Must Have: * Typically requires a Bachelors Degree in a Science, Technology, Engineering & Math (STEM) Field.
* Over ten (10) years of relevant experience in RF semiconductor testing. (An advanced STEM degree could count for up to 3 years of experience).
* The ability to obtain and maintain a US security clearance. U.S. citizenship is required as only U.S. citizens are eligible for a security clearance Qualifications We Prefer: * A Master's degree or PhD. in a Science, Technology, Engineering & Math (STEM) Field
* Experience working with GaAs, GaN, GaSb, and/or acoustic semiconductor processes
* Demonstrated experience in semiconductor process engineering, specifically in production in-process test
* Extensive experience in the development of test systems and associated software
* Knowledge of Statistical Process control and related SPC software
* Knowledge of root cause analysis techniques
* Strong analytical skills
* Customer focus and collaboration skills
* Previous experience with a defense contractor and/or government agency.
* Excellent written and oral communication skills
* Current DoD Secret level security clearance What We Offer: Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: 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