Mechanical Engineer I (Onsite)

Date Posted: 2026-09-01 Country: United States of America Location: US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET 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 Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX. What You Will Do The Air Defense Ground Equipment Mechanical Design Engineer 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. As a key contributor on a mechanical or cross‑functional engineering team, you will be responsible for component and assembly modeling, documentation, design changes, and release processes. Key Responsibilities Support the mechanical design, development, and integration of Air Defense Ground Equipment systems including radar and communications shelters, launchers, electronic subsystems, and hardware integration components. Create and maintain 3D models, assemblies, and engineering documentation using RTX design tools such as CREO and PDM. Assist with engineering change implementation, drawing updates, and release processes. Collaborate with mechanical engineers and cross‑functional teams to support program execution and production activities. Perform analytical and technical engineering tasks within a program environment and contribute to design reviews or presentations as needed. Support component integration, documentation updates, and configuration management activities. Apply Raytheon engineering processes, procedures, and standards in daily work activities. Hands‑on experience using RTX engineering tools including CREO, PDM, Adobe, and Microsoft Office applications. Qualifications You Must Have Bachelor’s degree in Mechanical Engineering or related STEM field (Technology, Engineering, or Mathematics) obtained by start date. Engineering project, internship, research, coursework, or hands‑on project experience. Experience working with 3D CAD/design tools such as SolidWorks, CREO, or Siemens NX. Experience may be obtained through on‑the‑job experience, research, coursework, or projects. Qualifications We Prefer Experience using Microsoft Office or presentation tools. Experience collaborating on team‑based engineering or technical projects. Exposure to mechanical hardware design, system integration, or production support environments. 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. Relocation Eligibility Onsite: 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 57,200 USD - 108,800 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. 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 – 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. #J-18808-Ljbffr Prattwhitney