Sr. Power Electronics Mechanical Engineer

Sr. Power Electronics Mechanical EngineerRivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown.

Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it for future generations.Role Summary: As a Sr. Power Electronics Mechanical Engineer, you will be working on our next-generation Inverter Modules from initial concept through to full-scale production. You will be responsible for designing critical components including Busbars, metal housings, sealing interfaces, and HV/LV harnesses, Plastic Injection molded parts from the ground up. This role requires close collaboration with cross-functional teams to resolve complex packaging challenges. This position is based at our Carson, CA facility and reports directly to the Sr.

Staff Power Electronics Mechanical Engineer, Electric Power Conversion Group (EPC).ResponsibilitiesLead the mechanical development of Inverter Modules using CATIA V6/3DEXPERIENCEDesign and engineer a wide array of components, including high-pressure die castings, injection-molded plastics, busbars, sheet metal, high/low voltage harnesses, sealing interfaces, and PCBA mechanical integrationManage the full release cycle of mechanical components using ENOVIA, ensuring data integrity and design maturityGenerate and maintain complex Top-Level Assembly Bills of Materials (BOM), ensuring all component attributes are captured with 100% accuracyDrive weekly technical reviews with suppliers to close open design items, manage timelines, and ensure DFM (Design for Manufacturing) alignmentAct as the primary technical liaison for Supply Chain and Supplier Quality teams to resolve action items and maintain production schedulesAuthor critical engineering documents, including Component Technical Specifications (CTS), Statements of Work (SOW) for sourcing, and detailed assembly manualsCollaborate with Systems team on DFMEAs and develop robust Design Verification (DV) test plans to ensure long-term product reliabilityProvide on-site support for pre-production lines, including the design of specialized mechanical fixtures and assembly aidsCollaborate closely with Manufacturing Engineering to design, validate, and commission the production line on scheduleLead troubleshooting efforts for issues arising during prototype builds and scale-upSpearhead the root cause investigation of field failures related to mechanical assemblies, implementing design improvements to prevent recurrenceQualificationsBachelor's degree in mechanical engineering or related engineering field; Master's preferredMinimum 4 years of professional work experience as an engineer releasing Power Electronics assembliesExtensive experience interfacing and managing external suppliersKnowledge of CATIA V5 or V6 software including part design and assembly design workbenchesExperience with fundamental design practices of die casting, sheet metal, and injection moldingKnowledge of GD&T per ASME Y14.5Ability to understand electrical and mechanical drawingsUnderstanding and knowledge of ENOVIA Product Lifecycle Management systemExperience working in the automotive industry and startup environment preferredPay DisclosureThe salary range for this role is USD 107,800-134,800 for Southern California based applicants. This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. An employee's position within the salary range will be based on several factors, including, but not limited to, specific competencies, relevant education, qualifications, certifications, experience, skills, geographic location, shift, and organizational needs. The successful candidate may be eligible for annual performance bonus and equity awards. We offer a comprehensive package of benefits for full-time and part-time employees, their spouse or domestic partner, and children up to age 26, including but not limited to paid vacation, paid sick leave, and a competitive portfolio of insurance benefits including life, medical, dental, vision, short-term disability insurance, and long-term disability insurance to eligible employees.

You may also have the opportunity to participate in Rivian's 401(k) Plan and Employee Stock Purchase Program if you meet certain eligibility requirements. Full-time employee coverage is effective on their first day of employment. Part-time employee coverage is effective the first of the month following 90 days of employment. More information about benefits is available at rivianbenefits.com.