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Principal Mechanical Engineer

Job in Portsmouth, Newport County, Rhode Island, 02871, USA
Listing for: Raytheon
Full Time position
Listed on 2026-02-28
Job specializations:
  • Engineering
    Systems Engineer, Mechanical Engineer, Electronics Engineer, Manufacturing Engineer
Salary/Wage Range or Industry Benchmark: 125000 - 150000 USD Yearly USD 125000.00 150000.00 YEAR
Job Description & How to Apply Below

Overview

Location: US-RI-PORTSMOUTH-PS3 ~ 1847 W Main Rd ~ NIMITZ WEST BLDG
Date Posted:
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 design, development, and integration of products, including but not limited to undersea sensors and analysis, naval platforms, shipboard/ground-based processing and power equipment, and launchers.

The UES department is looking for a full-time Principle Mechanical Engineer
. This role will be on-site and located in Portsmouth, RI.

Responsibilities
  • Perform complex mechanical design, development, and documentation of components, sub-assemblies, and major end items for defense system equipment in accordance with system requirements.
  • Lead a team of hardware engineers to develop and mature 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. Mentor and guide less experienced engineers
  • Lead efforts to develop design peer review packages, resolve action items, and conduct trade studies to make sound technical decisions
  • Present technical content to senior leadership and customer representatives
  • 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 degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 years of prior relevant experience unless prohibited by local laws/regulations.
  • Experience in leading development efforts and teams with cost and schedule responsibility
  • Extensive experience in the maritime or defense industries, including the design /build/test of mechanical designs that operate in these environments.
  • Extensive experience with GD&T (ASME Y14.5), Tolerance Analysis, metal fabrication (machining, sheet metal), assembly joining techniques (fasteners, rivets, inserts)
  • Experience with CAD modeling and Engineering Documentation practices.
  • 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 in maritime environments. Specific knowledge of packaging electronic equipment to meet physical and environmental constraints is preferred
  • Extensive experience with areas of…
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