What are the responsibilities and job description for the Sr. Mechanical Engineer – Development Engineer position at Drawbridge?
Sr. Mechanical Engineer – Motor Design & Development
Location: Chaska, MN (On-site)
Employment Type: Full-Time
Compensation: $110,000 – $130,000/year quarterly bonus
Our client is a growing precision manufacturing company specializing in the design and production of high-performance electric motors for aerospace and defense applications. They're looking for a Senior Mechanical Engineer to join their engineering team and take ownership of mechanical design work across the full product lifecycle — from concept through qualification and production support.
What You'll Do- Design electric motors in close collaboration with electromechanical design engineers to meet customer performance requirements
- Design rotors, housings, endcaps, and other mechanical assemblies
- Size and select bearings to meet load and life requirements
- Create and revise engineering drawings with proper GD&T; maintain accurate BOMs
- Design manufacturable, cost-effective hardware — balancing tolerance stack-ups, assembly ease, materials, manufacturing methods, thermal/vibration environments, and mistake-proofing
- Run preliminary analysis (hand calcs and FEA) to validate designs
- Investigate and resolve non-conforming hardware and production/vendor issues
- Lead or support failure investigations
- Develop and approve assembly, test, and qualification processes
- Interface directly with internal and external customers on product requirements and changes
- Participate in design reviews and support new business proposals
- Bachelor's degree in Mechanical Engineering
- Experience in 3D modeling of mechanical components/assemblies (CREO strongly preferred)
- Experience with Brushless DC (BLDC) motor design and operation
- Experience with Finite Element Analysis (FEA) — structural, thermal, and dynamic
- Strong technical problem-solving using a methodical, data-driven approach
- Working knowledge of manufacturing processes: additive manufacturing, casting, milling, turning, grinding, drilling
- Strong organizational skills with the ability to manage multiple concurrent projects
- Excellent verbal and written communication skills; comfortable presenting in cross-functional design reviews
- Must be a U.S. Citizen (ITAR/export control requirement)
- Prior experience in aerospace, defense, or other highly regulated manufacturing environment
- Leadership experience coordinating across engineering, manufacturing, quality, and purchasing teams
- Split between professional office and manufacturing/machine shop settings
- Some exposure to fluids, fumes, noise, vibration, and moving mechanical parts typical of a machine shop
- Ability to stand for extended periods (7-8 hrs/day), walk, bend, and occasionally lift up to 50 lbs
- ~15% travel
Competitive base salary plus quarterly bonus, medical/dental/vision, life and disability insurance, 401(k) with company match, generous tuition assistance, paid vacation/sick/personal time, paid holidays, and flexible/compressed work week options.
Equal Opportunity Employer – M/F/IWD/Veterans. Veterans encouraged to apply.
Salary : $110,000 - $130,000