Senior Mechanical EngineerSTAFL Systems, LLC. • San Francisco, CA, United States
Senior Mechanical Engineer
STAFL Systems, LLC. • San Francisco, CA, United States
4 hours ago
Job type
- Full-time
Job description5+ years of mechanical engineering experience. Demonstrated experience working with battery technologies used in multiple cell applications or in high voltage applications. A proven history of taking projects from concept through development, test, and certification into production. Experience with rapid‑prototyping development processes to create functional prototypes and jigs. Design experience using manufacturing methods such as CNC Machining, Injection Molding, Sheet Metal Bending, 3D Printing. Joining methods, such as ultrasonic welding, wire bonding, laser welding, TIG, MIG, IP67 Sealing methods. Experience evaluating and establishing relationships with CM's & Suppliers. Experience with preforming source inspections. Ability to review technical work and provide guidance and actionable feedback. Ability to clearly communicate technical issues in succinct language with non‑technical team members and stakeholders. BS or MS / MEng in Mechanical Engineering. Demonstrated knowledge in manufacturing processes. Familiarity with PDM and PLM systems. Ability to mentor engineer of various career levels. Exhibits ownership and thrives in a fast‑paced, rapidly changing environment. Comprehensive Benefits Package – including Health, Dental, Vision, and Life Insurance (99% of premiums covered) . Competitive Compensation – base salary plus equity award. 401(k) Plan – with employer match up to 5%. Paid Time Off – 3 weeks of accrued vacation time. Paid Sick Leave – 2 weeks of accrued sick leave. Paid Parental Leave – 4 weeks of fully paid leave. Company Holidays – paid holidays in line with our company holiday schedule. Unpaid Personal Leave – flexible options available. PTO Nomination Program – recognize teammates with extra time off! Team Outing Program – Sub‑department events designed to connect and recharge, including a half‑day off and a company‑sponsored allowance! Catered Team Lunches – enjoy delicious, company‑provided meals together or individually. Fully Stocked Kitchen – snacks, drinks, and more to keep you fueled. Commuter Benefits – Uber Business Account access, free EV charging, and more. Professional Development – budget for training and development. Company Team Building Events – weekly, monthly, and seasonal gatherings. Flexible Work Options – While our culture emphasizes in‑person collaboration, hybrid flexibility is available after the introductory period to support focused work or personal needs. Safety Shoe Stipend – support for required gear. Bereavement Leave – 1 week fully paid. Jury Duty Leave – 1 week fully paid.
This role is instrumental in the design, simulation, analysis, and testing of mechanical components for state‑of‑the‑art electric vehicle powertrains. The role involves hands‑on involvement in the entire product lifecycle, from concept to New Product Introduction. The ideal candidate will have a robust understanding of mechanical engineering fundamentals, enjoy the challenge of bringing theoretical designs to life, and be enthusiastic about contributing to innovative EV technology.
Base pay range
$140,000.00 / yr - $182,000.00 / yr
A Day in the Life :
- Lead all aspects of design, validation, and manufacturing for batteries for electric vehicles (aircraft, off‑road, marine).
- Evaluate new manufacturing technology and equipment to enable scaling and continuous improvement of in‑house battery production.
- Develop test plans and design validation methods for battery system failure modes.
- Perform trade off analysis and DOEs to optimize designs for performance and cost.
- Use SolidWorks CAD and PDM to manage and collaborate on part and assembly lifecycles.
- Simulate structural, thermal, and fluid models using SimScale, correlating results to physical testing.
- Collaborate with interdisciplinary electrical, software, systems, and project management team to deliver high confidence products.
What You Bring :
What Makes You Stand Out :
Additional Perks, it’s Nice Here :
Seniority level
Mid‑Senior level
Employment type
Full‑time
Industries
Appliances, Electrical, and Electronics Manufacturing
Battery Technology Solutions for a Clean Energy Future
Stafl Systems is dedicated to advancing all applications of lithium‑ion battery technology to achieve a clean energy future. Since 2010, our company has partnered with industry leaders to push the boundaries of innovation in such fields as electric vehicles, aviation, and consumer products. Our team has the proven engineering expertise to offer technical consulting, full‑stack product development, in‑house prototype fabrication, circuit board and battery pack manufacturing, and fleet management tools to solve the most complex challenges facing today’s cleantech industry.
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Senior Mechanical Engineer • San Francisco, CA, United States
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