Prototype Welder/Fabricator

Job Description

Job Description

Motor City Metal Fab is a fast-growing, family-owned precision fabrication shop in Southeast Michigan. We specialize in CNC machining, laser and waterjet cutting, welding, and powder coating — all under one roof.

We’re looking for a Prototype Welder / Fabricator to help bring new designs to life. You’ll work on one-off parts, short runs, and custom assemblies where precision, problem-solving, and craftsmanship matter.

Key Responsibilities

• Fabricate and weld prototype and low-volume production parts from prints, sketches, and CAD drawings

• Perform MIG and TIG welding on steel, stainless steel, and aluminum

• Cut, fit, tack, weld, and finish components to tight tolerances

• Work closely with engineering and machining teams to refine designs and improve manufacturability

• Read and interpret blueprints, weld symbols, and GD&T

• Maintain high quality standards and perform self-inspection

• Assist with fixture setup and prototype development as needed

• Keep a clean, organized, and safe work area

Required Skills & Experience

• Strong MIG and TIG welding minimum 3 years experience

• Proven background in prototype or custom fabrication (job shop experience preferred)

• Ability to read and interpret blueprints and weld symbols

• Experience working with steel, stainless, and aluminum

• High attention to detail and pride in workmanship

• Ability to work independently and solve fabrication challenges

• Reliable, punctual, and professional

Preferred (But Not Required)

• Experience with fixture building or prototype tooling

• Race car fabrication

• Familiarity working alongside CNC machining operations

• Experience in automotive, motorsports, or industrial fabrication

• Ability to contribute ideas to improve designs or fabrication processes

Why Work at Motor City Metal Fab

• Challenging, interesting work

• Modern equipment

• Direct impact on how parts are designed and built

• Stable workload with room for growth

• Competitive pay based on experience

• Family-owned shop that values skill, accountability, and craftsmanship

You should be proficient in:

• Welding Setups for Production
• Blueprint Reading
• Custom Fabrication
• MIG Welding
• TIG Welding
• Aluminum Welding

Machines & technologies you'll use:

• MIG Welder
• TIG Welder
• Manual Grinder
• Tube / Pipe Bender
• Tube Notcher