Wire Harness Technician

Socket.dev; Wixom (MI); On-site; USD 65,000 - 85,000; Full time

Benefits offered by this job

Dog-Friendly Workplace

Strong People-First Culture

Growth Opportunities

Job summary

Workhorse is seeking an automotive wiring harness technician to fabricate prototype low- and high-voltage harnesses for development and test vehicles. You will build from schematics, install components, and perform wiring modifications to support design changes and testing.

The role involves hands-on harness assembly, troubleshooting, and ensuring durability, safety, and proper documentation of all modifications within a collaborative engineering team.

Qualifications

• Read and interpret electrical schematics, wiring diagrams, harness drawings, and vehicle build instructions.
• Build prototype automotive wire harnesses per schematics and wiring specs.
• Troubleshoot open/short circuits, pinouts, and communication faults in vehicle systems.

Responsibilities

• Fabricate prototype low- and high-voltage wire harnesses for development vehicles and test benches.
• Install harnesses and electrical components into development vehicles.
• Perform electrical retrofits and wiring modifications for design changes and testing.
• Route and secure wiring to meet durability and safety requirements.
• Maintain accurate records of modifications and revisions.
• Collaborate with wiring DREs, electrical engineers, technicians, and suppliers.

Skills

Electrical schematics reading

Wiring harness assembly

Troubleshooting

Documentation

High-voltage safety practices

Education

High school diploma or equivalent

Technical degree or automotive electrical certification (preferred)

Tools

Multimeters

Continuity testers

Electrical diagnostic equipment

Hand-crimp tools

Automated wire-processing equipment

Job description

Description

We’re raising the standard for what a medium-duty truck should be — delivering vehicles, infrastructure, and support designed to work for you.

Better Trucks. Better World.

About the Role

• Fabricate prototype low-voltage and high-voltage wire harnesses for development vehicles, test vehicles, benches, and electrical systems
• Build harnesses from electrical schematics, wiring tables, harness drawings, connector definitions, and engineering instructions
• Cut, strip, crimp, splice, solder, seal, label, bundle, and protect wiring in accordance with engineering and workmanship requirements
• Install prototype harnesses and electrical components into development vehicles
• Perform electrical retrofits and wiring modifications on existing vehicles to support design changes, testing, troubleshooting, and vehicle upgrades
• Remove and replace terminals, connectors, wiring, protection materials, and electrical components as required
• Route and secure wiring to meet packaging, durability, serviceability, and safety requirements
• Perform continuity, resistance, isolation, and point-to-point testing to verify completed harnesses and vehicle modifications
• Troubleshoot open circuits, short circuits, terminal issues, incorrect pinouts, communication faults, and other vehicle electrical problems
• Identify issues with drawings, parts, tooling, or installation instructions and provide feedback to engineering
• Support prototype vehicle builds, engineering development activities, validation testing, and root-cause investigations
• Maintain accurate records of vehicle modifications, harness revisions, deviations, and completed work
• Work closely with wiring DREs, electrical engineers, vehicle technicians, manufacturing, and suppliers to resolve build and installation issues
• Maintain harness-build tools, electrical test equipment, terminals, connectors, wire, and prototype materials
• Follow established electrical-safety procedures, including high-voltage lockout and verification requirements when applicable

Requirements

Required Qualifications & Skill

• High school diploma or equivalent; technical degree or automotive electrical certification preferred
• 3–5 years of experience building automotive wire harnesses or performing vehicle electrical modifications
• Ability to read and interpret electrical schematics, wiring diagrams, harness drawings, connector views, and vehicle build instructions
• Experience with wire cutting, stripping, crimping, soldering, splicing, shielding, braiding, taping, and connector assembly
• Familiarity with automotive terminals, connectors, seals, wire types, protection materials, and routing hardware
• Experience using hand-crimp tools, automated wire-processing equipment, multimeters, continuity testers, and other electrical diagnostic equipment
• Understanding of proper wire routing, circuit protection, grounding, strain relief, abrasion protection, and sealing practices
• Strong troubleshooting skills and attention to detail
• Ability to document build issues and communicate required design changes to engineering
• Experience working safely around high-voltage vehicle systems is preferred

Why Workhorse

• Lead the Future of Electric Mobility
  Workhorse is a leading electric vehicle company focused on delivering sustainable, purpose-built solutions that are transforming last-mile delivery and commercial transportation.
• Dog-Friendly Workplace
  We believe great ideas come from people who feel comfortable being themselves—four-legged teammates included at many of our locations.
• Strong, People-First Culture
  We foster a collaborative, respectful, and transparent culture where teams are empowered, accountability is valued, and leaders are trusted to lead.
• Innovation Meets Execution
  Workhorse combines cutting-edge technology with real-world manufacturing and operational excellence—turning innovation into vehicles on the road.
• Growth-Oriented Environment
  Join a company in an exciting phase of growth where your leadership, ideas, and results will directly shape what’s next.