Sr. Process Engineer

About Rivian Rivian 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.

Summary Rivian is seeking a highly motivated and skilled Senior Process Engineer to optimize our manufacturing processes and uphold the highest standards of product quality. The ideal candidate will bridge the gap between process efficiency and quality assurance, driving continuous improvement initiatives and ensuring compliance with industry standards and internal specifications. This role is critical to maintaining high yields, reducing waste, and delivering reliable products to our customers. The Senior Process Engineer position at Rivian will support our Drive Unit production and report to the Process Engineering Manager. This role requires a high level of technical ownership, particularly in the scaling and optimization of drive unit assembly.

Coordinate engineering changes and new program launches Review, interpret, and summarize statistical data to drive process improvement Determine the ‘Best Practice’ process approach of material, tooling, equipment, and labor process Develop and maintain high-quality work instructions, standardized work, process flows, and PFMEAs to ensure manufacturing consistency Work with design engineering team to develop and establish a design that lends itself to high volume production while ensuring quality during the manufacturing process Work with manufacturing engineering team to commission and optimize next generation drive unit/propulsion assembly equipment Perform time analysis using a standard motion time system (MODAPTS), estimate production times, manage staffing requirements, manage labor costs, and drive line balancing Support production teams through process and equipment related troubleshooting and continuous improvement Develop recovery/troubleshooting best practices and procedures for production team to increase equipment availability Investigate assembly issues and implement solutions by reviewing product design, established processes, and equipment/tooling effectiveness Review, interpret, and summarize statistical data (SPC) to identify trends, reduce scrap, and drive measurable process improvements Monitor Quality KPI and develop action items to reduce cost with cross functional teams Qualifications Bachelor's/Masters degree in engineering discipline Prefer 3+ years engineering experience in a high-volume manufacturing operation, preferably automotive and/or drive unit/propulsion manufacturing Creative problem-solving skills Must have good communication skills – both verbal and written Hands-on experience with supporting production equipment (Mechanical, electrical, control systems, automation, robotics, etc.) Experience in using 2D & 3D Modeling tools (AutoCAD, CATIA/ENOVIA) Experience and/or Knowledge in DOE, Geometric Dimensioning & Tolerance, Torque Tooling, Error Proofing, and PFMEA Experience and/or certification in Six Sigma DMAIC, Lean Assembly Principles, Time Studies using MTM or MODAPTS Proficiency in SPC software (Minitab, JMP) for Cp/Cpk analysis Knowledge of SQL for data extraction is a strong plus Strong team orientation and cross functional attitude Kaizen, 5S, Six Sigma, Lean Six Sigma etc experience is a plus Availability to work 2nd/night shift Preferred "Plus" Skills Direct experience with Stator and or Rotor manufacturing processes Experience in an EV-specific powertrain environment Physical Requirements Ability to stand for 8–12 hours per day Required to walk, climb, balance, stoop, kneel, crouch, or crawl