Mechanical Test Engineer I

Job Description

Date Posted:

2026-10-06\n

Country:

United States of America \n

Location:

US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG \n

Position Role Type:

Onsite \n

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ \n

Security Clearance Type:

DoD Clearance: Secret \n

Security Clearance Status:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date\n

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At RTX, formerly Raytheon Technologies, our mission is driven by core values and a higher purpose – to support our nation and allies in defending freedoms and deterring aggression. With over a century of exceptional engineering expertise, we address today’s mission-critical needs while anticipating and staying ahead of tomorrow’s challenges. Our teams engage in meaningful and technically challenging work that contributes to creating a safer and more secure world 

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What You Will Do 

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Join Raytheon's dynamic Test Solutions Engineering team, part of the Hardware Discipline Center, where we architect and deliver high-reliability test equipment vital to national defense. In this role, you will design, analyze, prototype, and implement advanced mechanical test fixtures and environmental test stations supporting complex weapon systems across their entire lifecycle—from early engineering development and high-rate factory production to field operations and long-term sustainment. 

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Key Responsibilities:  

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• Research, plan, and design custom mechanical test solutions for vibration, thermal, hydraulic, radio frequency (RF), and electro-optical operational environments. 
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• Conceptualize and implement mechanical systems that integrate seamlessly with state-of-the-art test technologies. 
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• Utilize parametric CAD solid modeling tools to create comprehensive 3D assemblies and detailed 2D engineering drawing packages. 
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• Ensure all technical data packages adhere strictly to industry drafting standards, including ASME Y14 series or ISO geometric dimensioning and tolerancing. 
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• Integrate and validate test systems against stringent accuracy, repeatability, and reliability requirements. 
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• Evaluate production installations and collaborate with cross-functional engineering and manufacturing teams to diagnose malfunctions and implement design enhancements. 
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Qualifications You Must Have 

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• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM) discipline. Degree must be obtained by start date. 
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• Experience using Computer Aided Design (CAD) software (such as SolidWorks, PTC Creo, Autodesk Inventor, CATIA, Siemens NX, or equivalent) to generate 3D models and mechanical assemblies. 
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• Experience creating or maintaining mechanical hardware documentation and engineering drawings adhering to industry drafting standards (such as ASME Y14 series or ISO). 
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• Experience may be obtained through on-the-job experience, research, coursework, or projects. 
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Qualifications We Prefer 

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• Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or Mechatronics. 
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• Cumulative GPA of 3.0 or higher from an ABET-accredited institution. 
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• Experience with Model Based Engineering (MBE) or Model Based Definition (MBD). 
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• Previous hands-on testing, prototyping, or production support experience in an aerospace, defense, or high-reliability manufacturing environment. 
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• Strong analytical, diagnostic, and root-cause problem-solving skills applied to mechanical fixtures or test equipment. 
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• Demonstrated ability to collaborate effectively in a multi-disciplinary, fast-paced team setting. 
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What We Offer  

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• 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.  
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• Relocation Eligibility  
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Learn More & Apply Now!

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• Please consider the following role type definition as you apply for this role. 
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• Onsite: Employees who are working in Onsite roles will work 100% onsite. This includes all production and maintenance employees, as they are essential to the development of our products. 
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• Please upload a copy of your most recent transcripts with your resume when applying to this requisition. Include your cumulative GPA and projected graduation date on your resume. 
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• This position requires 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:
  
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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.

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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.\n

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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.\n

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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.\n

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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.\n

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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.\n

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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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