Mechanical Engineer
About The Position
Lithionics is seeking a Mechanical Engineer II to help develop lithium-based energy storage systems for marine, RV, specialty vehicle, and industrial applications. The role spans the product lifecycle, from early concepts to production, with a focus on designing, validating, and optimizing safe, scalable, high-performance battery systems. The company is looking for someone experienced in designing multi-component products intended for end users. The Mechanical Engineer will lead mechanical design for battery modules and enclosures, integrating thermal management, structural integrity, and safety considerations. The position works closely with Electrical Engineering and other cross-functional teams, supports manufacturing and testing, and serves as a technical mentor and Project Engineer for assigned product lines.
Requirements
- Bachelor’s degree in Mechanical Engineering or a related technical field.
- At least 3 years of professional mechanical design experience; actual design experience is required, not process experience.
- Expert-level proficiency in SolidWorks or Autodesk Inventor.
- Strong understanding of material selection, including plastics, sheet metal, and busbars.
- Strong understanding of thermal interface materials.
- Strong understanding of DFM/DFA best practices.
Nice To Haves
- Experience in battery systems, automotive, power conversion, or aerospace.
- CSWA/CSWP or equivalent certification.
- Experience with lithium-based battery systems.
- Background in Formula SAE, Solar Car, or similar hands-on engineering competitions.
- A mindset that views challenges as opportunities to innovate and improve.
Responsibilities
- Lead mechanical design of battery modules and enclosures, focusing on thermal management, structural integrity, and safety.
- Translate early concepts into robust, production-ready designs.
- Partner with Electrical Engineering to design busbars, wire harnesses, and PCB mounting solutions.
- Ensure proper creepage and clearance for high-voltage applications.
- Create blueprint drawings and technical specifications.
- Perform QA/QC reviews of peer designs for accuracy and manufacturability.
- Apply GD&T (ASME Y14.5) to ensure proper fit and function.
- Lead DFMEA sessions to identify and mitigate risks.
- Develop and execute DVP&R plans.
- Oversee physical testing for vibration, thermal performance, ingress protection, and crash requirements.
- Develop comprehensive assembly documentation.
- Provide hands-on support on the manufacturing floor.
- Troubleshoot production challenges using 8D root-cause analysis.
- Mentor junior engineers and designers.
- Help train team members on CAD best practices and SOPs.
- Act as Project Engineer for assigned product lines, coordinating with vendors and cross-functional teams, including Electrical, Thermal, and Software.
Benefits
- Competitive compensation and benefits.
- Opportunity to grow into technical leadership roles.
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
