Job Description

Job Title: Sr. Staff Mechanical Design Engineer

Position Description: Protingent Staffing has an exciting direct hire opportunity for Sr. Staff Mechanical Design Engineer with our client located in Berkeley, CA.

Job Description:

• As a Sr. Staff Mechanical Design Engineer, you will own full system architecture and the entire product lifecycle for advanced electric powertrains.
• Your responsibilities will span from hand calculations and concept design through FEA, prototyping, testing, optimization, DFM, production ramp, and long-term reliability improvements—including field issue resolution and service reduction strategies.
• If you are excited to take ownership of projects with real stakes, work independently, and tackle unfamiliar and challenging problems to build world-class electric powertrains we would love to hear from you.
  
  
  

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, hardware testing fixtures, production tools and fixtures, product scopes, specifications, and more
• Perform spreadsheet calculations, system architecture, CAD design, FEA, rapid prototyping and optimization with quick design iterations, PLM/PDM lifecycle management, NPI line management and 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 complete powertrain development.
  
  
  

Job Qualifications:

• Strong physics background with 8+ years of extensive mechanical engineering expertise and a passion for detail and deep work
• Deep expert with multiple CAD packages; able to create robust parametric models with ease
• Proven experience owning complex mechanical systems (100+ parts), taking designs from early architecture sketches to detailed CAD and drawings ready for high-volume processes such as die casting and injection molding
• Master of GD&T and dimensional tolerancing
• Experience working closely with suppliers to meet quality, cost, and lead time targets
• Experience with electric powertrains; electric motor and gearbox expertise
• Experience taking multiple products from concept to high-volume production
• Skilled in root cause analysis, test process development, and solving long-tail reliability issues
• Proficient in multi-dimensional tolerance stackups
• Adept with CFD, thermal, and mechanical simulation
• Excellent reading, writing, and verbal communication skills
• Extremely motivated and excited to take on major responsibility at an early-stage startup
• Basic electrical knowledge and understanding; able to read schematics and interpret 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).
  
  
  

About Protingent: Protingent is a niche provider of top Engineering and IT talent to Software, Electronics, Medical Device, Telecom, and Aerospace companies nationwide. Protingent exists to make a positive impact and contribution to the lives of others as well as our community by providing relevant, rewarding, and exciting work opportunities for our candidates.