Senior Mechanical Engineer

Senior Mechanical Engineer Location: San Francisco, Hybrid (on-site 1+ day per week, remote rest of time) Employment Type: Full time Responsibilities Mechanical Design: Design, iterate, and structurally optimize vehicle frames, chassis, enclosures, and other safety‑critical sub‑systems. Advanced Simulation: Perform CAE to evaluate and optimize vehicle assemblies and sub‑systems to provide engineering confidence before releasing parts for tooling. Test Correlation: Actively correlate analytical simulation results with physical testing data from the lab to continuously improve model accuracy and predictive insights. Cross‑Functional Engineering: Partner closely with multi‑disciplinary engineering units and external global suppliers to translate concepts into manufacturable, high‑reliability components. Team CAE Expert: Act as the primary technical mentor and go‑to resource for the engineering team; guide colleagues in establishing proper simulation setups, troubleshooting complex models, and validating boundary conditions. Manufacturing & Builds: Support vehicle builds at our Asian Contract Manufacturers (CMs), which includes international travel approximately 2–3 times per year. Qualifications Education: MSc in Mechanical Engineering (or a related engineering discipline) or equivalent practical experience. Experience: 6+ years of mechanical design and simulation experience, with a proven portfolio that shows design iteration driven by a practical blend of CAD (SolidWorks preferred) and CAE (Abaqus preferred). FEA Expertise: Capable of executing complex static, dynamic, vibration, fatigue, non‑linear and fracture analyses for large assemblies and vehicles. Analytical & Mechanical Skills: First‑principles hand calculations, structural mechanics, classical beam theory, bolted joint and weldment analysis, free‑body diagram development, and FEA model boundary condition validation. Material Expertise: Aluminum metallurgy (6000 series), advanced manufacturing (HPDC casting, forging, extrusion), heat treatment (T4/T6), fatigue & fracture mechanics, and weldment analysis. Preferred Experience Prior engineering experience within the automotive, bicycle, or micromobility‑adjacent industries. Interview Note We love to see engineering portfolios. Be prepared to walk through a case study showing a complex structural failure or optimization challenge, your correlation methodology, and the final design solution. Benefits Competitive salaries, performance‑based annual bonus, and pre‑IPO equity. Health and wellness offerings starting day one, including access to top‑tier fitness and mindfulness apps. Flexible vacation policies with ample paid holidays tailored to country of residence. Fully‑paid leave following the birth or adoption of a child and financial, medical and educational support for parenthood. Support for retirement and financial goals with unlimited access to financial advisors. Unlimited, complimentary use of our vehicles in hundreds of cities worldwide. Professional growth opportunities through quarterly learning days and top‑tier tools. Opportunities to connect across teams and locations to network, socialize and volunteer. Culture of belonging with Employee Resource Groups that engage and promote cultural awareness and DEI training across all functions. Consistent recognition of great work through meaningful rewards and career advancements. Comprehensive Health & Wellness: Medical, dental, vision, life and disability insurance, mental health benefits. Financial & Retirement Planning: 401(k) plan with pre‑tax and Roth options, Health Savings Account. Family & Fertility Support: Paid parental leave for birthing and non‑birthing parents, fertility and family‑forming benefits. Paid Time Off: Unlimited vacation, paid leaves, and 10 company holidays. Unique Lime Perks: Complimentary use of Lime vehicles in participating cities, monthly phone allowance, dedicated learning and development days, access to perks including One Medical, Wellhub, and Headspace. EEO Statement Lime considers all qualified applicants for employment, including those with arrest or conviction records, in accordance with the San Francisco Fair Chance Ordinance, the Los Angeles Fair Chance Initiative for Hiring, the Los Angeles County Fair Chance Ordinance, the California Fair Chance Act, and all other applicable federal, state, and local laws. Equal Opportunity Statement Lime is proud to be an Equal Opportunity Employer. We believe different perspectives help us grow and achieve more. If you require a reasonable accommodation during the application or hiring process, please email View email address on click.appcast.io for assistance. #J-18808-Ljbffr