Automotive/Motorsport Wiring Harness Builder

Racing Tech LLC; Grand Rapids (MI); On-site; USD 28,000 - 41,000; Full time

Job summary

Racing Tech LLC in Grand Rapids, MI seeks an experienced Wiring Harness Builder to autonomously assemble, test, and troubleshoot custom wiring harnesses for motorsport applications. The role emphasizes independent work with demanding engineering standards and extensive use of Mil-Spec, Raychem, and autosport connectors.

Ideal candidates have 3+ years in automotive electrical harnessing, strong reading of drawings and pinouts, and a commitment to clean, precise workmanship in a non-production

Qualifications

• 2+ years building harnesses with Raychem DR-25 or equivalent.
• Hands-on crimping experience with mil-spec contacts and tooling (Daniels or equivalent).
• Experience with MIL-W-22759 (Tefzel) and M27500 wire.
• Read harness drawings, wiring diagrams, and pin-out tables.
• High school diploma or equivalent; technical certification in automotive or electrical engineering is a plus.

Responsibilities

• Independently build wiring harnesses with minimal supervision, ensuring they meet industry standards and Racing Tech’s high-performance requirements.
• Perform quality checks and testing to ensure all wiring is up to specification.
• Build concentric-twist harnesses on layout boards from drawings, schematics, and pin-out tables.
• Terminate and crimp with calibrated tools; install Deutsch Autosport, MIL-DTL-38999, Deutsch DT/DTM, and AMP Superseal connectors.
• Jacket with Raychem DR-25 and SCL, install molded boots and transitions, and bond with Raychem epoxy/adhesive.
• Install solder sleeves, splices, and shield terminations.
• Label, document, continuity- and insulation-test finished harnesses.
• Repair and modify existing customer harnesses.
• Flag drawing issues and suggest build improvements to engineering.
• Maintain an organized and efficient workspace.
• Adhere to all safety guidelines and best practices in a workshop environment.

Skills

Crimping mil-spec

Harness assembly

Reading schematics

Electrical systems

Fine motor skills

Attention to detail

Independent worker

Problem solving

Education

High school diploma

Technical certification (auto/electrical)

Tools

Raychem DR-25

MIL-SPEC connectors tooling

Daniels crimp tooling

Wiring harness tools

Job description

Racing Tech is a leading provider of high-performance electronic components and wiring harnesses for motorsports. We specialize in creating custom solutions that meet the demanding needs of all motorsport applications and disciplines. Our commitment to excellence and innovation drives us to push the boundaries of what's possible on the track.

Position Overview:

We are seeking an experienced Wiring Harness Builder to join our team in Grand Rapids, Michigan. As a Wiring Harness Builder at Racing Tech, you will be responsible for autonomously assembling, testing, and troubleshooting custom wiring harnesses. The ideal candidate will have significant experience in the motorsport industry, with a strong understanding of automotive electrical systems and expertise in using Mil-Spec, Raychem and autosport connectors.

*This is not production-line work.

Key Responsibilities:

• Independently build wiring harnesses with minimal supervision, ensuring they meet industry standards and Racing Tech’s high-performance requirements.
• Perform quality checks and testing to ensure all wiring is up to specification.
• Build concentric-twist harnesses on layout boards from drawings, schematics, and pin-out tables.
• Terminate and crimp with calibrated tools; install Deutsch Autosport, MIL-DTL-38999, Deutsch DT/DTM, and AMP Superseal connectors.
• Jacket with Raychem DR-25 and SCL, install molded boots and transitions, and bond with Raychem epoxy/adhesive.
• Install solder sleeves, splices, and shield terminations.
• Label, document, continuity- and insulation-test finished harnesses.
• Repair and modify existing customer harnesses.
• Flag drawing issues and suggest build improvements to engineering.
• Maintain an organized and efficient workspace.
• Adhere to all safety guidelines and best practices in a workshop environment.

Qualifications:

• 2+ years building harnesses with Raychem heat-shrink systems (DR-25 or equivalent, molded boots, epoxy).
• Hands-on crimping experience with mil-spec contacts and tooling (Daniels or equivalent).
• Experience with MIL-W-22759 (Tefzel) and M27500 wire.
• Can read harness drawings, wiring diagrams, and pin-out tables.
• Fine motor skills, patience, and pride in clean work.
• Detail-oriented with a commitment to producing high-quality work.
• Ability to work independently as well as part of a team.
• Strong problem-solving skills and ability to work under pressure.
• High school diploma or equivalent; technical certification in automotive or electrical engineering is a plus.

Compensation:

• Hourly rate based on experience.
• Work experience within a motorsport performance environment.
• Customized learning and development program.

Pay: $20.00 - $30.00 per hour

Application Question(s):

• Are you able to build a wiring harness in autonomy by giving you the wiring diagram and layout?

Experience:

• Automotive electrical systems: 3 years (Required)
• Building wiring harness: 3 years (Required)
• MILSPEC and Autosport connectors: 3 years (Required)