Are you ready to help shape the future of materials testing? Join our cliant, a fast-growing, Cambridge-based company creating cutting-edge solutions, who are trusted by global leaders in aerospace, research, and manufacturing. We're looking for a Product Development Engineer to drive the design, development, and validation of innovative electromechanical products. You'll work across the full product lifecycle-from concept to manufacture-collaborating with multidisciplinary teams to deliver robust, scalable solutions. What You'll Be Doing Designing parts, assemblies, and systems using CAD tools (SolidWorks or similar) Building and testing prototypes with a focus on manufacturability, safety, and repairability Creating and maintaining technical documentation (CAD files, BOMs, wiring diagrams, manuals) Identifying suppliers and cost-effective production routes Developing test plans, QA/QC procedures, and safety validation protocols Leading FMEA and risk analysis activities to improve product reliability Supporting product development projects to meet time, cost, and quality goals What You'll Bring Bachelor's or Master's degree in Mechanical, Electrical, or Electronic Engineering Hands-on experience designing and manufacturing electromechanical devices Proficiency in 3D CAD software (SolidWorks preferred) Strong documentation skills (specs, schematics, wiring diagrams, work instructions) A practical, flexible, and self-motivated approach-comfortable in a fast-paced start-up environment Bonus Points For Experience with Finite Element Analysis (FEA) Knowledge of FMEA and technical risk management Familiarity with product safety testing and QA standards Experience working with suppliers and manufacturing partners ACS Performance are recruiting for this Product Development Engineer