Mechanical Engineering Jobs

Mechanical Engineer II at LithionicsAt Lithionics, we're redefining what's possible in lithium-based energy storage. Our cutting-edge battery systems power mission-critical applications across marine, RV, specialty vehicle, and industrial markets. If you're passionate about turning bold ideas into manufacturable, high-performance products, we want you on our team.We're seeking a Mechanical Engineer II who thrives at the intersection of innovation, precision, and production. In this role, you'll help bring advanced battery systems from concept to reality—designing, validating, and optimizing solutions that are safe, scalable, and built to last. What You'll DoAs a Mechanical Engineer II, you'll play a hands-on, high-impact role throughout the product lifecycle:Lead the mechanical design of battery modules and enclosures with a focus on thermal management, structural integrity, and safetyTranslate early concepts into robust, production-ready designsPartner closely with Electrical Engineering to design busbars, wire harnesses, and PCB mounting solutionsEnsure proper creepage and clearance for high-voltage applicationsCreate detailed blueprint drawings and technical specificationsPerform QA/QC reviews of peer designs to ensure accuracy and manufacturabilityApply GD&T (ASME Y14.5) to ensure proper fit and functionLead DFMEA sessions to proactively identify and mitigate riskDevelop and execute DVP&R plansOversee physical testing for vibration, thermal performance, ingress protection, and crash requirementsDevelop comprehensive assembly documentationProvide hands-on support on the manufacturing floorTroubleshoot production challenges using 8D root-cause analysisServe as a technical mentor to junior engineers and designersHelp train team members on CAD best practices and SOPsAct as Project Engineer for assigned product lines, coordinating with vendors and cross-functional teams (Electrical, Thermal, Software)What You BringBachelor's degree in Mechanical Engineering or a related technical field3+ years of professional mechanical design experience (must have actual design, not process, experience) (Battery systems, automotive, power conversion, or aerospace experience strongly preferred)Expert-level proficiency in SolidWorks or Autodesk Inventor (CSWA/CSWP or equivalent certification a plus)Strong understanding of material selection (plastics, sheet metal, busbars), thermal interface materials, DFM/DFA best practicesExperience with lithium-based battery systemsBackground in Formula SAE, Solar Car, or similar hands-on engineering competitionsA mindset that views challenges as opportunities to innovate and improveWhy Lithionics?Innovative products that make a real-world impactEnd-to-end engineering exposure—from concept through productionA collaborative, technically driven cultureOpportunity to grow into technical leadership rolesCompetitive compensation and benefitsIf you're excited to design products that push the boundaries of energy storage and want to work with a passionate, high-performing engineering team, we'd love to hear from you.Apply today and help engineer the future with Lithionics.