Date Posted: 2025 09 13 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet Building 1, Tewksbury, MA, 01876 USA 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: DoD Clearance: Secret Department Overview: The Air Defense Ground Equipment Mechanical Design Department is responsible for the mechanical design, development, and integration of critical defense platform systems. This includes radar and communications shelters, electronic subsystems, launchers, hardware integration, and system interconnects. We are currently seeking a motivated and driven Senior Mechanical Engineer to join our Ground Equipment Design Team. The ideal candidate will bring a blend of technical expertise, mechanical hardware design experience, system integration skills, and a strong background in program execution and production support. Role is an On Site role in Tewksbury or Andover, MA Key Responsibilities: Design, develop, and document components, sub assemblies, and major end items for defense systems in accordance with system requirements. Serve as the technical focal point on small mechanical or cross functional engineering teams within an Integrated Product Team (IPT) environment. Provide support for product integration efforts in both domestic and international factory and supplier locations. Collaborate with cross functional teams including other engineering disciplines, operations, supply chain, quality, and external suppliers to resolve technical challenges and develop effective design solutions. Independently manage tasks and deliver on schedule, budget, and technical goals. Participate in design reviews and conduct trade studies to support informed, sound engineering decisions. Apply expertise in mechanical problem solving and hardware development in a fast paced, collaborative environment. Mentor and support the development of junior engineers. Required Skills & Experience: Minimum 6 years of mechanical engineering experience, with at least 2 years in mechanical equipment design and development (preferably in military or rugged environments). Experience spanning the full product lifecycleâ from concept and detailed design to production and support. Broad background in mechanical design, materials, manufacturing processes, or related areas. Proficiency with CAD tools and product data management (PDM) systems. Strong analytical and problem solving skills. Preferred Qualifications: Master's degree in Mechanical Engineering. Willingness to travel up to 10%, including internationally. Excellent communication, documentation, and interpersonal skills. Familiarity with military and commercial specifications. Experience in: Design and integration of electronic and mechanical assemblies (shelters, power systems, racks, etc.) Electromechanical troubleshooting Machined parts and CNC manufacturing Welded structure design and fabrication Structural design and/or analysis ASME Y14.5 GD&T Windchill PDM or similar tools Microsoft Office Suite (Word, Excel, PowerPoint, Project) Interconnects, Cables, and Harnesses Experience with modern manufacturing systems and reliability/failure analysis. Familiarity with Earned Value Management (EVMS), Estimate at Complete (EAC), and Risk & Opportunity Management. Strong leadership, collaboration, and mentoring skills. Proven ability to manage complexity and deliver innovative, practical solutions. Eagerness to learn, grow, and take on new technical challenges. Education Required: Bachelor's degree in Mechanical Engineering or related technical discipline (required). Advanced degree preferred. Security Clearance Requirement: U.S. Citizenship is required. Ability to obtain and maintain a U.S. Secret Security Clearance. RTX Corporation 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 â Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Its 185,000 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, VA. The salary range for this role is 82,000 USD 164,000 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 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 â 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.