Mechanical Engineer I (Onsite)

Date Posted:
2026-07-13
Country:
United States of America
Location:
US-RI-PORTSMOUTH-PS3 ~ 1847 W Main Rd ~ NIMITZ WEST 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 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 hardware design, development and production support of a wide breadth of air, land, sea, and space systems. The Hardware Engineering team strives to be the premier organization for mechanical design and development through our world class people and technology - creating trusted, innovative solutions to make the world a safer place. Hardware Engineering's capabilities encompass a broad range of technical disciplines which include engineering, technical services, materials, processes, analysis, test, and documentation.

Within the Hardware Engineering Organization, the Undersea & Electronics Systems (UES) Department leads the mechanical and electrical design, development, and integration of a diverse set of products, including but not limited to undersea sensors and analysis, naval platforms, shipboard/ground-based processing and power equipment, and launchers.


The USS department is looking for full-time Mechanical Engineering I, located in Portsmouth, RI .

What You Will Do:

• Perform mechanical design, development, and documentation of components, sub-assemblies, and major end items for defense system equipment in accordance with system requirements.
• Support the factory and suppliers with product integration
• Collaborate across multiple disciplines/functions to solve complex technical challenges in a fast-paced, team environment.
• Validate design fit and functionality by rapid prototyping and/or simulation
• Participate in design peer reviews, resolving action items, and conduct trade studies to make sound technical decisions.
• Occasional CONUS travel to customer sites or suppliers is generally required. International and longer duration travel assignments are available but optional

Qualifications You Must Have:

• Bachelor of Science in Mechanical or Ocean Engineering or related Science, Technology, Engineering, or Mathematics (STEM) major
• 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.
• Experience with CAD modeling software

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

Qualifications We Prefer:

• Experience in the specification, design, development, production and testing of undersea systems and electronics packaging. Knowledge of design for long term submergence, sealing, and corrosion resistance.
• Strong written and verbal communication skills.
• Demonstrated ability to solve difficult problems while working as part of a team.
• Experience on DoD programs.
• Experience with PTC CREO and PDM.
• Experience with ANSI/ASME Y14.5 GD&T experience.

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.

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.

Clearance Information:

• 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:

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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