Senior Mechanical Engineer

D.O.M. magazine; Portsmouth (RI); On-site; USD 82,000 - 164,000; Full time

Benefits offered by this job

Benefits package

Job summary

RTX Corporation in Portsmouth, RI is seeking a Senior Mechanical Engineer to lead mechanical design and development for defense systems. The role involves creating robust engineering drawings and models, guiding production transitions, and ensuring documentation meets program requirements.

The candidate will mentor less experienced engineers, participate in design reviews, and may travel CONUS as needed to customer sites and suppliers.

Qualifications

• Typically requires a B.S. in Science/Engineering with 5+ years of mechanical design experience.
• Experience with GD&T and metal fabrication processes is essential.
• Must be able to obtain and maintain a U.S. security clearance.

Responsibilities

• Perform mechanical design, development, and documentation of components and assemblies for defense systems.
• Develop designs from concept to data package and transition to production.
• Mentor junior engineers and participate in design reviews.

Skills

Mechanical design

GD&T (ASME Y14.5)

Materials & fabrication

Engineering documentation

Mentoring

Communication skills

Education

Bachelor's Degree in STEM

Tools

PTC Creo

PDM

CAD modeling

Earned Value Management (EVM)

Job description

Date Posted:2025-09-26Country:United States of AmericaLocation:RI101: 1847 W Main Rd 1847 W. Main Road Nimitz Building, Portsmouth, RI, 02871 USAPosition Role Type:OnsiteU.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 clearanceSecurity Clearance: DoD Clearance: SecretAtRaytheon, 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.TheRaytheon Hardware Engineering Organizationleads 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, theUndersea, Sensors & Structures (USS) Department leads the mechanical design, development, and integration of multiple sets 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 a full-timeSenior Mechanical Engineer,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.
• Develop mechanical designs from initial concept to formal technical data package generation (engineering drawings, models) and culminating in initial builds, testing, transition to production, and production support
• Work with limited supervision and meet commitments for assigned schedule, financial, and technical goals.
• Participate in design peer reviews, resolve action items, and conduct trade studies to make sound technical decisions
• Mentor and guide less experienced engineers
• Occasional CONUS travel to customer sites or suppliers is generally required. International and longer duration travel assignments may be available but optional

Qualifications You Must Have:

• Typically requires a Bachelors Degree in Science, Technology, Engineering, and Mathematics (STEM) and a minimum of 5 years of prior relevant experience. An advanced degree in a related field may be substituted with a minimum 3 years experience.
• A minimum of 5 years of experience in mechanical engineering design.
• Experience with GD&T (ASME Y14.5), Tolerance Analysis, metal fabrication (machining, sheet metal), assembly joining techniques (fasteners, rivets, inserts)
• 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.

Qualifications We Prefer:

• Experience in the specification, design, development, production and testing of electronics systems. Specific knowledge of packaging electronic equipment to meet physical and environmental constraints is preferred
• Experience with Military and Commercial Specifications
• Experience with PTC CREO and PDM
• Experience managing financial and schedule performance of program level tasking
• Experience and certifications in Earned Value Project Management
• Demonstrated expertise in product assembly, fabrication methods, manufacturing processes and technologies including machined components & products.
• Demonstrated ability to solve difficult problems while working as part of a team.
• Experience in leading small development efforts and teams with cost and schedule responsibility.
• Experience in selection of materials for structural, thermal, mechanical, electrical, producibility, and environmental considerations including corrosion mitigation and prevention.
• Strong communication skillset with ability to articulate, in both oral and written form, to technical, non-technical and management audiences
• Experience with configuration management systems and practices
• Experience with CAD modeling and Engineering Documentation practices.

RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses - Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, VA.The following position is to join our RTX Corporate, Enterprise Services, Research Center or BBN team: 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.

The salary range for this role is 82,000 USD - 164,000 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. Privacy Policy and Terms:Click on this link to read the Policy and Terms