Senior Mechanical Engineer

Date Posted:

2026-09-28



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

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Raytheon brings 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. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense.

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

What You Will Do

• 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.

Qualifications You Must Have 

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years’ experience.
• Experience spanning the full product lifecycle—from concept and detailed design to production and support.
• Experience in mechanical design, materials, manufacturing processes, or related areas.
• Experience with CAD tools and product data management (PDM) systems.

Qualifications We Prefer

• Master’s degree in Mechanical Engineering.
• Willingness to travel up to 10%, including internationally.
• Communication & Leadership: Excellent communication, documentation, and interpersonal skills; strong leadership, collaboration, and mentoring abilities.
• Standards & Specifications: Familiarity with military and commercial specifications; knowledge of configuration control and change management processes.
• Electronic Packaging & Design: Experience in electronic packaging design and development, including subsystems, modules, CCAs, PWBs, and interconnects supporting RF, digital, and power systems.
• Mechanical & Electromechanical Skills: Design, fabrication, and integration of electronic assemblies, shelters, racks, power distribution units; electromechanical troubleshooting; machined parts and CNC manufacturing; welded structure design and fabrication; structural design and/or analysis; Geometric Dimensioning and Tolerancing (GD&T) per ASME Y14.5.
• Software & Tools: Proficient in Creo CAD tools, Windchill PDM, ECAD development processes, and Microsoft Office Suite (Word, Excel, PowerPoint, Project).
• Interconnects & Manufacturing: Skilled in interconnects, cables, and harnesses; experience with modern manufacturing systems and reliability/failure analysis.
• Project & Technical Management: Proven ability to manage complexity and deliver innovative, practical solutions on time and within budget; demonstrated ability to prioritize and manage multiple tasks effectively.
• Professional Growth & Business Acumen: Eagerness to learn and take on new technical challenges; familiarity with Earned Value Management (EVMS), Estimate at Complete (EAC), and Risk & Opportunity Management.

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.
• Role is an On-Site role in Tewksbury or Andover, MA

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 86,800 USD - 165,200 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.

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