Mechanical Engineer I (Onsite)

Date Posted:

2026-05-21

Country:

United States of America

Location:

US-MA-MARLBOROUGH-MA1 ~ 1001 Boston Post Rd ~ BLDG 1

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 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.

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 Raytheon Hardware Engineering Organization leads the mechanical hardware design, development and production of radar, sonar, torpedo, missile and combat system equipment. The mechanical team uses state-of the-art tools, processes, technology, and Raytheon’s CORE principles. ME’s capabilities encompass a broad range of technical disciplines which include engineering, manufacturing, technical services, materials, processes, analysis, test, and documentation.

The Radar Mechanical Design Department leads mechanical design, development, and integration of some of the most innovative land-based and shipboard radars in the world. This includes phased array radar systems, hardware integration, and electronic modules, pedestal and power and cooling systems. The department is comprised of individuals with technical expertise and experience in hardware design, integration, and production support.

The Radar Department is seeking a motivated Mechanical Engineer interested in hardware design to join our team. The position will primarily support design, development, and production focused on radars and supporting structures, electronic modules, power, and cooling sub-systems. The key responsibilities for this position include contributing to technical problem solving and implementing solutions in the development of new hardware in a team environment. 

This role is located in Marlborough or Tewksbury, MA (On-site).

What You Will Do

Mechanical design and documentation of hardware and systems utilizing engineering tools, and MS office suite.
Contribute as part of a small team during product development, part and drawing creation, drawing release, and drawing change incorporation
Creatively apply mechanical engineering knowledge to efficiently solve complex design problems and make sound and rationale data oriented technical conclusions in a fast paced, team environment.
Provide factory and supplier support
Collaborate with other mechanical engineers, designers, and structural / thermal analysts, as well as engineers from other disciplines to support business objectives of the organization

Qualifications You Must Have 

Bachelor's degree in Mechanical Engineering, or related field (STEM)
Experience with CAD software or CREO

Experience may be obtained through on‑the‑job experience, research, coursework, or projects

Qualifications We Prefer

Demonstrated ability to work effectively in team settings, evidenced through class projects, professional internships, or academic research.
Strong aptitude for efficient and disciplined process execution, coupled with the flexibility to adapt and tailor processes as necessary for task requirements.
Proven ability to apply academic engineering principles to identify and resolve design challenges.
Comprehensive understanding of mechanical engineering design processes.
Self-motivated with strong organizational skills, capable of managing workloads effectively to meet deadlines and our business objectives.
Familiarity with Mechanical Tolerance Analysis and application of Geometric Dimensioning and Tolerancing (GD&T).

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 Eligible

Learn More & Apply Now!

Please consider the following role type definition as you apply for this role.

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.

This position requires the ability to obtain a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm 

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.

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