Mechanical Engineer I

Employer description

Date Posted:

2026-10-08 Country:

United States of America Location:

US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord 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

As a Mechanical Engineer, you will be responsible for hardware design in support of rapid prototyping and product development to meet stringent program schedules. You will be executing as part of small team during product development, drawing generation, drawing release, and drawing change incorporation to meet a set of requirements. Additionally, you will be supporting internal additive manufacturing lab capabilities, connecting internal customers to external suppliers as needed for the manufacturing of AM and engaging in 3D scanning activities in support of hardware measurement applications.

Key Responsibilities

Support internal AM lab capabilities which include but not limited to: manage and execute end-to-end AM prototype part workflows for material extrusion, material jetting, and vat photopolymerization, machine troubleshooting, continuous improvement and material handling.Connect internal customers to external suppliers as needed for the manufacturing and procurement of AM and traditionally manufactured parts to support development, proof of design, proof of manufacturing, and engineering use hardware.Utilize CREO CAD tool for modeling and documentation creationSupport end-to-end rapid prototyping from initial requirement development, to design, to procurement, to fabrication, to integration and testPerform 3D scanning activities in support of hardware measurement, hardware inspection, hardware reverse engineering and 3D documentation applicationsCreate documents per Raytheon guidelines and release them in the Product Data Management (PDM) systemManage multiple customer requests, materials, processes, and workflow stages simultaneously while keeping team up-to-date 

Qualifications You Must Have

Bachelor of Science in Engineering, Aerospace, Engineering Science, Math, or other Engineering discipline obtained by start date.Familiarity with 3D modeling CAD tools, geometric dimensioning and tolerancing methods, and knowledgeable in reading mechanical fabrication and assembly drawingsExperience with Microsoft Office Suite
Qualifications We Prefer

Hands-on rapid prototyping, hardware integration and troubleshooting ExperienceExperience in working with polymer additive manufacturing technologies/processes, AM machines, and post-processing equipmentExperience in additive manufacturing software such as CURA, Materialise Magics, Stratasys GrabCAD, Stratasys Insight, Stratasys Control Center, and Formlabs PreformExperience in 3D scanning for hardware measurement and reverse engineering applicationsSelf-sufficient, mechanical aptitude to provide solutions to a variety of technical problems of complex scope and complexityStrong interpersonal skills and the ability to work in a team environment
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!

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.gulations.

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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