Mechanical Engineer II

Date Posted: 2026-07-31 • Location: Portsmouth, RI • Onsite role • U.S. citizenship required for security clearance

About the role

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. The Raytheon Hardware Engineering Organization leads the hardware design, development, and production support of a wide breadth of air, land, sea, and space systems. Within Hardware Engineering, the Undersea & Electronics Systems (UES) Department leads the mechanical and electrical design, development, and integration of undersea sensors, naval platforms, shipboard/ground-based processing and power equipment, and launchers.

Responsibilities

• 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.

Requirements

• Master's degree in Mechanical Engineering, Aerospace, Engineering Science, Physics, Math, or related (STEM) major obtained by start date.
• Experience with CAD modeling software.
• Experience with PTC CREO and PDM. Experience may be obtained through on-the-job experience, research, coursework, or projects.
• The ability to obtain and maintain a U.S. government issued DoD Secret security clearance is required. Active and existing security clearance required after day 1.

Preferred Qualifications

• 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 ANSI/ASME Y14.5 GD&T.

Benefits

• 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.
• Eligibility for annual short-term and/or long-term incentive compensation programs (payments not guaranteed and dependent on individual, business unit, and company performance).

Pay

The salary range for this role is 68,900 USD - 131,100 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.