Senior Staff Mechanical Engineer

Gotion Inc. is a global leader in next-generation energy storage and electric vehicle technologies, specializing in lithium batteries and related systems. Headquartered in Silicon Valley, California, Gotion is expanding its manufacturing footprint with a state-of-the-art facility in Manteno, Illinois, and operates research and development centers across Ohio, China, Japan, and Europe.

Driven by innovation and a commitment to sustainability, Gotion develops advanced battery solutions that power electric vehicles and energy storage systems around the world. Backed by industry-leading battery technology, Gotion continues to advance the future of electrified transportation and support the global transition to clean energy.

At Gotion, we believe our people are the driving force behind our success. We are more than a workplace—we are a team united by a shared mission to build a more sustainable future. Every employee is empowered to contribute, innovate, and grow while making a meaningful impact.

If you are looking for more than just a job—if you are seeking an opportunity to help shape the future of global green energy—we invite you to build that future with us.

At Gotion, we value collaboration, respect, continuous learning, and innovation. We work in a dynamic, multicultural environment where diverse perspectives strengthen our ability to solve complex challenges and deliver sustainable energy solutions. Our core values—Care, Pragmatism, Integrity, and Innovation—guide how we work together, serve our customers, and build the future.

The Staff Mechanical Engineer – EV is responsible for the mechanical design and technical release of High Voltage (HV) battery packs for Gotion's electric vehicle programs. This role owns component design and selection, coordinates with CAD designers and external suppliers to release drawings and models, and partners with systems and test/validation teams to define and validate mechanical DFMEA and DVP&R. The role is based in Fremont, California and requires hands-on mechanical analysis experience combined with high-volume automotive manufacturing know-how.

• Define technical and regulatory requirements of High Voltage (HV) battery packs.
• Lead mechanical component design and review of HV battery packs (module design, component selection).
• Manage release of mechanical design — work with CAD designers for the release of CAD models and drawings.
• Work with external suppliers to ensure components meet all requirements.
• Coordinate and lead weekly teleconferences with suppliers and internal teams.
• Work with systems engineers to define mechanical system DFMEA.
• Review DVP&R and work with the test and validation team to validate the mechanical design of the pack.
• Other duties as assigned.

This position does not have direct reports but may provide technical mentorship to junior mechanical engineers and CAD designers on design release work.

• BS in Mechanical Engineering.
• Minimum 5 years of lithium-ion battery design experience.
• Design release experience in the automotive industry.
• Experience working with supply chain and quality engineering for supplier selection.
• Proven hands-on experience in mechanical analysis.
• Experience in a high-volume manufacturing environment, working with suppliers and manufacturing teams.

• MS in Mechanical Engineering.
• 8+ years of experience in mechanical engineering.
• Excellent understanding of DFMEA.
• Proficiency in CATIA V6.
• Over 5 years of design release experience in mechanical engineering.