Mechanical Engineer I (Onsite)

Date Posted: 2026-09-23

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:

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​

Security Clearance Type:

DoD Clearance: Secret

Security Clearance Status:

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

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 Mechanical Engineer I will assist in the performance of Components Engineering or Applications Engineering tasks supporting airborne, ground, and tactical platforms/programs in the proposal, Low Rate Initial Production (LRIP), production and support phases. This position will require day-to-day interface with designers, suppliers, Product Development Engineers (PDE), Parts Obsolescence Lead/Managers (POL), Mechanical Computer Aided Design (MCAD), Supply Chain Management (SCM), Program Management Office (PMO), and other disciplines. This role also entails supporting components approval through a Parts and Materials Control Board (PMCB) comprised of members both internal to Raytheon and from customer organizations. Some travel to integration sites, customer facilities, and subcontractor facilities may be required.

Key Responsibilities

• Understand program requirements and Statements of Work (SOWs) to determine program component environmental / characteristic application requirements.
• Provide technology insertion and parts selection/standardization guidance while adhering to business, component parametric, and environmental application constraints.
• Generate and revise component drawings and associated verification data packages.
• Perform alternate part investigations and generate comparison matrices showing the differences and similarities of the parts.
• Interface with multiple internal stakeholders and external suppliers/manufacturers to develop component risk and verification delineation.
• Facilitate component selection and libraries application through the coordination and generation of the program Bill of Material (BOM) in a collaboration toolset.
• Present component standardization, design library, obsolescence management and termination finish risk results in support of design reviews for a program.

Qualifications You Must Have:

• Bachelors degree in Mechanical Engineering or related Science, Technology, Engineering or Mathematics (STEM) major obtained by start date.
• Experience with interconnect devices, fasteners, or other mechanical-based components.
• Experience of component selection, screening, qualification, and derating for use in military and aerospace flight applications.

Qualifications We Prefer:

• Experience with the use or adaptation of Commercial Off The Shelf (COTS) products in a military system.
• Experience with development, design and project level responsibility on systems or major subsystems.
• Experience working with external suppliers and supplier technical 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: 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.

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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