Principal Manufacturing Engineer

Company: Raytheon
Location: Acton
Posted on: January 28, 2026

Job Description:

Date Posted: 2026-01-20 Country: United States of America Location: US-MA-ANDOVER-AN3 ~ 354 Lowell St ~ AN3 SUFFOLK 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: Confidential 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. Manufacturing Engineers learn production operations and the manufacturing discipline in a controlled environment. They develop manufacturing engineering skills, an understanding of manufacturing (cost, quality, safety and schedule), and Raytheon systems and tools. MEs build technical depth in manufacturing processes and are accountable for improvement and optimization. Primary responsibilities include developing the comprehensive manufacturing process for 3D metal parts for various radar , integrated sensor, and effector programs . The candidate will define materials, develop work holding solutions, create multi-axis CNC machining programs, develop inspection plans, and create process instructions for operators to follow. This position requires close cooperation with the Operations team and other engineering disciplines . The desired candidate will possess excellent communication skills and be capable of working in a dynamic team environment. What You Will Do Translate engineering design requirements into formal manufacturing process documentation including raw material definition, fixturing/tooling development , CNC programming, inspection planning, finishing requirements, and assembly instructions Drive p rocess improvements using data analysis, application of best practices , and by implementing innovative solutions to improve process capability and decrease cost Design, control, and improve the manufacturing process through collaboration with a multi-disciplined team Perform process development on new product introductions in support of accelerated time to market Optimize CNC programs using machining modeling and analysis tools Integrate automated solutions for part handling and in machine work holding Lead continuous improvement initiatives and document standard methodologies and standard work for CNC machining Provide technical expertise reviewing m etrology and statistical process control ( SPC ) data Mentor teammates in cutting edge machining methods and tool s Validate NC programs using CGTech Vericut and Cimco Edit Support the enterprise transition to model-based definition as it relates to CNC machining Qualifications You Must Have Typically requires a Bachelor's degree in Science, Technology, Engineering or Math (STEM) and a minimum 8 years of prior relevant experience. 8 years of experience developing 4 axis CNC machining programs for metal parts Qualifications We Value 5 Axis CNC programming experience Advanced knowledge of high-speed machining techniques, cutting tool technology, and machine tool capabilities to develop best in class C NC programs Ability to properly apply and interpret standard and geometric dimensions and tolerances Strong working knowledge of CNC machine tool capability, fixture design, and macro programming Demonstrated experience with PFMEA, SPC, shop floor process monitoring, data collection and adaptive methods Competency in NX CAM supporting medium to complex CNC programs Experience machining complex castings System design and integration experience FANUC robot programming experience Demonstrated working knowledge of Creo CAD/CAM Software Process familiarity with paint, plating, and structural assembly Innovative mindset for continuous improvement keeping pace with advance ment s in technology Demonstrated hands-on mechanical aptitude with the ability to work across disciplines GD&T certification Strong organization skills with ability to manage multiple tasks simultaneously Ability to work in a team setting as well as individually Self-motivated and results oriented Excellent written and verbal communication skills Possess excellent judgment and professional maturity Knowledge and ability to apply CORE principles and techniques Active DoD 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: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. Relocation assistance is not available Learn More & Apply Now! Please consider the following role type definition as you apply for this role. 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. 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

Keywords: Raytheon, Bellflower , Principal Manufacturing Engineer, Engineering , Acton, California