> Markdown version of [/jobs/ext/4517939-mechanical-engineer-ii-with-security-clearance](https://www.wearedevelopers.com/jobs/ext/4517939-mechanical-engineer-ii-with-security-clearance). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mechanical Engineer II with Security Clearance - **Company:** RTX - **Location:** Portsmouth, RI, United States - **Experience:** Experienced - **Salary:** $68,900.0 - $131,100.0 - **Contract:** Permanent contract - **Skills:** Computer-Aided Design, Adobe InDesign, Computer Engineering, Software Requirements Analysis, Technical Data Management Systems, Creo - **Published:** November 1, 2026 - **Apply:** https://www.adzuna.com/details/5948842001 ## About the Role * 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 2 years of prior relevant experience. * Experience in selection of materials for structural, thermal, mechanical, electrical, producibility, and environmental considerations including corrosion mitigation and prevention. * 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 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 * Demonstrated ability to solve difficult problems while working as part of a cross functional team * Strong communication skillset with ability to articulate, in both oral and written form, to technical, non-technical and management audiences 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. ## Description 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 Mechanical Engineer II. This role will be on-site and 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. * As a member of a design team you will help solve challenging technical issues and drive results through efficiently completing assigned design and support tasks. * 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 * Collaborate across multiple disciplines/functions (i.e. structural/thermal analyses and electrical engineering) to solve complex technical challenges in a fast-paced, team environment. * Participate in design peer reviews, resolve action items, and conduct trade studies to make sound technical decisions