Senior Mechanical Design Engineer

Responsibilities

• Own the design for a new module architecture including cell retention systems, thermal management, safety systems, and housing integration
• Work with cylinder and pouch cell formats in 400-1000V systems to optimize weight, thermal performance, and cost
• Collaborate cross-functionally with electrical, thermal, simulation, and software teams
• Coordinate design work to ensure manufacturing feasibility and reliability of modules
• Develop robust cell venting strategies and propagation protection
• Identify and drive completion of released requirements

Requirements

• Bachelor's or master's degree in mechanical engineering
• 5+ years of mechanical design experience in automotive or motorcycle battery/powertrain development
• Advanced CAD proficiency in CATIA V5/V6 (3DX), NX, or SolidWorks
• Robust understanding of lithium-ion cell electromechanical and safety design constraints
• Understanding of battery system architectures and HV safety requirements (400V+)
• Hands-on structural FEA experience
• Experience with DFM for injection molding, stamping, casting, composites, and machining
• Experience with DFMEA/DVP&R cycles and design release processes
• Battery module or pack design experience

Preferred Qualifications

• Practical hands-on experience in professional or personal lab projects
• Thermal simulation experience (CFD)
• Design experience integrating into vehicle platforms
• Experience working with automotive OEMs or Tier-1 Suppliers on electrified platforms
• Proven track record releasing components to production

Benefits

• Base Salary: $140,000 – $175,000
• Founding Engineer equity participation
• Medical (HMO, PPO), Dental, and Vision
• 401(k)
• Flexible PTO
• Team meals 2x per week and monthly team events

About the Company

Brelle develops frontier technology for electrified performance, engineering next-generation platforms for supercars and superbikes using novel pack architecture and advanced automated manufacturing.