Staff Mechanical Engineer - Lead, Design & Modeling

TSI Incorporated; Shoreview (MN); On-site; USD 140,000 - 155,000; Full time

Benefits offered by this job

Health insurance

401(k) with company match

Paid time off & paid holidays

Life insurance

Professional development opportunities

Job summary

TSI Incorporated is seeking a Staff Mechanical Engineer to lead mechanical activities on projects, modeling complex systems and driving design from concept to launch. You’ll collaborate across engineering, marketing, sales, and production to ensure robust, manufacturable solutions for electronic instruments.

The role requires deep CAD/FEA expertise, optics modeling, and hands-on prototyping with rapid iteration.

Qualifications

• Bachelor’s degree in Engineering, Physics, or similar; master’s degree may substitute.
• 8+ years of product development mechanical engineering experience.
• Extensive hands-on experience with 3D CAD software.
• Proven COMSOL or similar FEA modeling experience.
• Master’s Degree or Ph.D. in Engineering or Physics.
• Experience leading mechanical activities from concept to launch.
• Experience mentoring engineers and leading teams in R&D projects.
• Pro/E Creo and COMSOL experience; Zemax optics modeling.
• Knowledge of additive manufacturing, FMEA/DOE, heat transfer, and fluid mechanics.
• Programming in VBA, Python, or C++/C#.

Responsibilities

• Independently design and develop mechanical portions of electronic instruments.
• Model heating/cooling, fluid flow, aerosol movement, and optics properties.
• Design injection molded parts and rapid prototyping, including 3D printing.
• Evaluate tradeoffs and optimize design for performance and cost.
• Lead design/test/model/experiment cycles for complex projects.
• Define and execute verification/validation plans for mechanical components.
• Lead and mentor engineers, providing domain expertise.
• Create robust documentation and specifications for projects.
• Collaborate across cross-functional teams including marketing and production.

Skills

Mechanical design leadership

3D CAD proficiency

FEA/COMSOL modeling

Creo/SolidWorks

Optics modeling (Zemax)

Python / C++

Education

Bachelor’s degree in Engineering or Physics

Master’s Degree or Ph.D. in Engineering/Physics

Tools

Pro/E Creo

COMSOL

Zemax

Python

VBA for Excel

Job description

TSI Incorporated is seeking a Staff Mechanical Engineer to lead mechanical activities on projects, modeling complex systems and driving design from concept to launch. You’ll collaborate across engineering, marketing, sales, and production to ensure robust, manufacturable solutions for electronic instruments.

The role requires deep CAD/FEA expertise, optics modeling, and hands-on prototyping with rapid iteration.