Senior Mechanical Engineer - Exhaust System

Mainspring Energy is seeking a Senior Mechanical Engineer to join their team responsible for the design and development of exhaust systems for their innovative Linear Generator technology. This role focuses on managing high temperatures and vibration while ensuring emissions compliance, acoustic attenuation, and long-term durability. The ideal candidate will contribute to a clean energy solution through creativity, engineering fundamentals, and practical skills.

Requirements

• Bachelor's or Master's degree in Mechanical Engineering or similar field
• 5+ years as a professional mechanical design engineer
• Delivered products through 2+ full design lifecycles from concept to manufacturing support
• Self-starter with a proven ability to deliver functional designs in a rapid development environment
• Direct experience designing components or systems operating in high-temperature and high-vibration environments
• Demonstrated engineering fundamentals in thermo-fluid system design and structural mechanics
• Familiarity with design considerations for durability, fatigue, and reliability in demanding applications
• Proficiency in 3D CAD modeling (Solidworks preferred), engineering drawing creation (GD&T), and experience with PDM or similar CAD version control system
• Knowledge of mechanical design principles, materials (esp. high-temp alloys), manufacturing processes (sheet metal, welding, casting)
• Hands-on mechanical prototyping, assembly, and testing skills

Benefits

• Pre-IPO stock options