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Prototype Wire Harness Technician

About Humble Robotics

Job Full source details
Humble Robotics San Francisco Source published Sep 20, 2026 Verified 10 hours ago
✓ 100% verification score · Source: Humble Robotics (lever) · Always confirm final requirements on the original source.
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EmploymentFull-time

Overview

About Humble Robotics

Full job description

About Humble Robotics Working at Humble Robotics means taking on the biggest change in ground transportation in decades. We’re building an autonomous, zero-emissions hauler that dramatically lowers the cost of freight with groundbreaking vision-based AI, designed for today’s global logistics network.

We’re a fast-moving, close-knit team of AV industry veterans and innovative thinkers. We don’t believe culture can be engineered – but when it falls into place, it’s a once-in-a-lifetime adventure.

Progress has never felt so present.

Position Overview You’ll build the electrical nervous system of our autonomous trucks — and own the lab it comes out of. As our senior technician, you’ll fabricate high-voltage EV cables, build low-voltage and data harnesses (CAN, automotive Ethernet, coax/FAKRA), rework PCBs alongside the engineers who designed them, and run the electrical lab and wire-harness bench as your own domain — layout, tooling, stock, and standards. Your workmanship goes straight onto prototype vehicles, and your fingerprints will be on every truck we ship.

Fabricate, modify, and repair vehicle wiring harnesses — high-voltage EV cabling (shielded HV cable, HV connectors, HVIL), low-voltage power/signal (12/24/48V), and high-speed data (CAN/CAN-FD, LIN, automotive Ethernet, coax/FAKRA, GMSL) with proper shielding, impedance, and routing practices

Perform PCB rework and prototype support: fine-pitch SMD and through-hole soldering, hot air rework, component replacement, and connector rework with ESD-safe handling

Support basic board debug: continuity checks, power rail validation, and bring-up measurements

Build and maintain lab and vehicle test benches — harnessed rigs for sensors/compute/power, relay/fuse boxes, interconnect panels, and instrumentation setups (power supplies, loads, scopes, DMMs)

Route and dress cables in vehicles and benches: loom/overbraid, heat shrink, labeling, and connector serviceability for rapid iteration

Troubleshoot electrical integration issues in vehicles and benches; propose fixes and improvements

Maintain build records (as-built notes) and organize parts/tools

Fabricate simple brackets, enclosures, and mechanical fixtures as needed

3+ years hands-on experience in automotive, robotics, or aerospace lab environments or prototype shops (or equivalent practical experience)

Strong harnessing skills: crimping, pin extraction, splicing, shielding/grounding, strain relief, and proper automotive routing practices

Experience with common connector families (Deutsch, TE, Amphenol, Molex) and backshells/boots

Solid soldering and rework fundamentals: through-hole, connector, and cable repair with ESD-safe handling

Comfortable reading schematics, board docs, and using a DMM/scope for basic checks

Able to wire safe power distribution (fusing, relays/contactors) with tidy, repeatable setups

High attention to detail, labeling, documentation, and workmanship standards

Eligible to work in the United States

High-voltage vehicle or EV experience (contactors, precharge, HVIL concepts, HV connectors, safe routing practices)

Experience with automotive networks (CAN/LIN, automotive Ethernet) and coax-based sensor wiring

Familiarity with harness documentation tools (basic CAD, wiring diagrams, pinout tables) and maintaining ECO-style updates

Light fabrication skills (drill press, 3D printing, simple sheet metal) for fixtures and enclosures

Fine-pitch SMD and hot-air rework on dense boards

IPC-A-610 / IPC/WHMA-A-620 or HV safety certification (or the experience to earn one quickly)

Experience supporting rapid prototype vehicles and field deployments

Comfortable working around vehicles, lifting typical lab equipment, and following ESD and electrical safety procedures including HV safety practices

Salary ranges are determined by role, level, and location. Within the range, individual pay is determined by additional factors, including qualifications, skills, experience, and location. We also offer competitive equity compensation and benefits.

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