We are seeking a highly motivated Mechanical Engineering Lead to join our manufacturing test engineering organization, driving the development of data-driven production testing equipment for Tesla's power electronics across vehicles, energy storage, and charging products. This role is a critical part of the machine that builds the machine, requiring a strong technical contributor who can both execute and lead- balancing hands-on engineering work with guiding a small, high-performing team. The ideal candidate thrives on solving complex challenges, optimizing manufacturing processes, and mentoring others, all while delivering innovative solutions that improve efficiency and reliability. We're looking for a problem solver with strong analytical skills, exceptional organization, and keen attention to detail. You should be comfortable with leadership responsibilities, driving key initiatives, and fostering a culture of excellence, collaboration, and continuous improvement. This is an opportunity to take ownership, grow your impact, and shape the future of Tesla's manufacturing test engineering team. * Architect automated test equipment, produce detailed-level CAD models, pneumatic diagrams, and verify designs using structural and thermal FEA and CFD * Lead conceptual equipment development and carefully balance product specifications, process requirements, layout complexity, cost, and lead-time limits * Review, identify, and provide feedback on performance, design simplicity, robustness, assembly, and installation * Analyze system constraints and propose innovative solutions * Support building, debugging, validation and equipment duplication efforts, and fine-tune equipment for release to production. Conduct detailed testing and validation of installed machinery to ensure robustness and quality * Perform on-site and off-site acceptance testing (SAT/FAT) of test equipment * Mentor junior mechanical engineers to deliver high quality automation equipment * 8+ years of experience in mechanical, mechatronics, or automation engineering with expertise in automation, machine design, robotics, and product development * Degree in Mechanical Engineering, or equivalent experience * Proven ability to transition products and processes from prototype to production * Strong knowledge of solid mechanics, pneumatics, hydraulics, material selection, prototyping, testing methods, machining, and fabrication * Hands-on experience with test systems, production machinery, and industrial sensors such as pogo-pins, pressure transducers, temperature controllers, and current meters * Skilled in SolidWorks, PDM, Ansys, or similar CAD/CAE software, with experience preparing technical requirements for automated equipment * Strong leadership, collaboration, and mentoring experience, with project management skills and willingness to travel up to 20% domestically and internationally