Mechanical Designer

Overview : System One is seeking a highly motivated Mechanical Designer to support the conceptual and preliminary design of advanced Generation IV nuclear reactors. This role focuses on creating structural and mechanical design solutions, 3D CAD models, and engineering drawings. Candidates must have strong experience in mechanical / structural design and drafting using a mainstream CAD system. Responsibilities :

• Produce robust 3D CAD models that support fast-paced design changes and derivative configurations
• Develop and maintain complex mechanical designs; research and propose innovative solutions
• Support structural, neutronics, thermal-hydraulic, radiological, and safety analysis with model configurations
• Document design progress, changes, and decisions in internal / external collaboration tools
• Create technical presentations, reports, and supporting design documentation
• Develop engineering drawings (layouts, details, interface control, GA drawings) per ASME Y14.1 & Y14.5
• Perform tolerance stack-up calculations
• Check and review drawings for accuracy and compliance with ASME standards
• Maintain configuration control of models / drawings through PDM / PLM tools
• Participate in design reviews and contribute to process improvement and standards development Qualifications :
• B.S. in Mechanical, Electrical, Chemical Engineering or equivalent and 3+ years of relevant experience
• Proficiency with SolidWorks CAD
• Strong analytical and problem-solving skills
• Ability to manage multiple tasks with minimal direction
• Excellent communication and technical writing skills
• High degree of integrity, teamwork, and ownership
• Demonstrated experience with GD&T
• Experience checking fabrication drawings
• Background in Design for Manufacturability (DFM) and Design for Assembly (DFA)
• Mechanical and machine design experience
• Experience using a Product Data Management (PDM) system preferred Job Functions / Work Environment :
• Motor abilities : sitting / standing for extended periods, bending / stooping, gripping, fine motor control
• Physical requirements : ability to safely lift up to 25 lbs
• Repetitive work : prolonged
• Special senses : visual and audio-focused work
• Work environment : stairs, typing / keyboard use, standard office setting (>

8 hrs / day)