Sr. Staff Mechanical Design Engineer

Job Description Job Title: Sr. Staff Mechanical Design Engineer Position Description: Protingent Staffing has an exciting direct hire opportunity for a Sr. Staff Mechanical Design Engineer with our client located in Berkeley, CA. Job Responsibilities: Own system-level architecture and design of complete electric powertrains. Lead full-stack mechanical engineering from concept through production. Teach newer mechanical engineers proper processes, CAD practices, PLM practices, and more; level up the engineering caliber of the company. Design hardware, testing fixtures, production tools, product scopes, specifications, and more. Perform calculations, system architecture, CAD design, FEA, rapid prototyping, optimization, PLM/PDM lifecycle management, NPI line management, prototype assembly, manufacturing support, and supplier management. Design for manufacturing, test, reliability, and service. Contribute to longer-term company objectives, such as increasing iteration speed for powertrain development. Job Qualifications: Strong physics background with 8+ years of extensive mechanical engineering experience and a passion for detail and deep work. Deep expertise with multiple CAD packages; ability to create robust parametric models. Experience owning complex mechanical systems (100+ parts), from architecture sketches to detailed CAD and drawings for high-volume processes. Mastery of GD&T and dimensional tolerancing. Experience working with suppliers to meet quality, cost, and lead time targets. Experience with electric powertrains, electric motors, and gearboxes. Experience taking products from concept to high-volume production. Skilled in root cause analysis, test process development, and reliability issues. Proficient in multi-dimensional tolerance stackups. Adept with CFD, thermal, and mechanical simulation. Excellent communication skills. Motivated and excited to take on responsibility at an early-stage startup. Basic electrical knowledge, including reading schematics and interpreting circuit board layouts and PCBA designs for mechanical integration. Job Details: Job Type: Direct Hire Salary Range: $140K to $150K Location: Berkeley, CA (100% Onsite) #J-18808-Ljbffr

Created: 2025-09-17