Date Posted: 2026-02-24Country: United States of AmericaLocation: US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDGPosition Role Type: RemoteU.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 clearanceSecurity Clearance Type: DoD Clearance: SecretSecurity 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. The Air Defense Ground Equipment (ADGE) Department leads mechanical design, development, and integration of platform systems. This includes shelter systems, hardware integration, cable & interconnections, as well as facility development, and site integration. The department is comprised of individuals with technical expertise and experience in hardware design, integration, and production support. The ADGE department is looking for a full-time Sr. Principal Mechanical Engineer to support Patriot Missile Change Control Board (CCB) for major components and sub-assemblies, including obsolescence upgrades, procurement and supplier support What You Will Do - Responsibilities (Core & Day to Day) Support design specification development through production qualification reviews and release including ensuring design is manufacturable - Participate in design peer reviews and conduct trade studies to promote sound technical decisions. - Provide responses to supplier questions related to general design expectations and interpretation of the relevant specifications​. - Provide guidance on Raytheon expectations for design rigor, level of TDP & MDP documentation required, typical analysis approach, and other similar topics. - Connect suppliers with Raytheon subject matter experts as required. - Collaborate with other engineering disciplines, non-technical disciplines, and suppliers to develop robust design solutions and resolve technical challenges. - Work with limited supervision and meet technical, schedule, and monetary commitments. - Apply knowledge and experience in technical problem solving and hardware development in an engaged team environment. - Drawing generation, drawing release, and drawing change incorporation Qualifications You Must Have - Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience unless prohibited by local laws/regulation. Or An Advanced Degree in a related field and minimum 7 years experience - Experience with ERB/CCB process; CCB chair certification or ability to be certified. - Experience with solid modeling, creating and documenting mechanical designs in Pro/Engineer/CREO or similar modeling tools. - Experience working within small electromechanical or gyroscope similar assembly/products. - Experience with Geometric Dimensioning and Tolerancing (GD&T) and ASME drawing and documentation standards and procedures Qualifications We Prefer - Experience with materials, load bearing structures, shock/vibration/load analysis - Experience using Computer Aided Design (CAD) tools - Missile portfolio including reviewing trade studies, identification of suitable alternate and interchangeable materials, or design changes as needed - Ensure technical integrity and engineering execution across the IPTs and other functions to meet cost, schedule, and technical requirements 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 Eligibility Learn More & Apply Now! - 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 132,400 USD - 251,600 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