Hiring: Sr. Motor Mechanical Engineer Company: Rivian Location: Carson, CA Job Posted Time: 2026-09-10 10:28:31 Employment Type: Full-time Target Skills & Keywords : Assembly, CAD, Linear, R About the job Experience: •5+ years of experience in mechanical design of complex systems and components, in a fast-paced environment. Required Skills: •Design sub-systems and components for various electric drive units, including wound field motor, permanent magnet motor, and motor mechanical structural components. •Generate & revise detailed 3D CAD models and 2D drawings of electro-mechanical designs at a component and motor sub-system level using CATIA V6. •Review designs & drawings for completeness and accuracy. •Develop detailed work instructions, assembly guidance, and related documentation. •Analyze and verify preliminary and detailed designs with analytical calculations and numerical (FEA) as required. •Collaborate and manage suppliers with DFM, DFA, and open issues lists to ensure on-time delivery of parts and quality conformance according to the acceptance criteria. •Support developing component technical specifications, DVP&Rs, test & validation plans, and Statements of Work (SOW) as required. •Design of related assembly tooling and fixtures for early prototype development and testing. Qualifications: •Formal education in Mechanical Engineering or a similar discipline; B.S. minimum, MS Preferred. •Proficiency with 3D CAD modeling; CATIA V6 experience preferred. •Professional experience with application of GD&T (ASME Y14.5), conducting stack-up analyses (linear & radial), and determining realistic tolerancing limits based on material and manufacturing methods •Demonstrated capacity to perform structural hand calculations and initial FEA studies to support sizing, loading cases, and design feasibility. •Proven ability to collaborate cross-functionally with technicians, manufacturing, process, design, and integration teams to solve problems. •Knowledge of rapid prototyping, high-volume manufacturing processes, materials selection, and supply chain. •Applied hands-on capability in lab tools, equipment, and measurement tools. •Strong engineering fundamentals in the areas of materials, mechanics, dynamics, design for manufacturability, tolerancing, and high precision metrology. •Knowledge in DFMEA, DVP&R, and PFMEA. •High-energy, open-minded attitude, willingness to quickly iterate on designs, and expanding skillsets as needed. Compensation: •The successful candidate may be eligible for annual performance bonus and equity awards Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!