Prototype Wire Harness Technician
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Before you apply
SalaryNo pay range posted
LocationSan Francisco
Work modeon-site
Typefull-time
SenioritySenior
Experience3+ yrs
DepartmentHardware Team
EquityIncluded
Company size51–200 people
PostedFeb 12, 2026 · 8mo ago
Verified live23h ago
May no longer be actively hiring
Posted by the company on Feb 12, 202661% of this company's open roles have been listed for 90+ daysNo pay range listed, though California requires one
At a glanceSummarised by Seekless from the posting.
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
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
Eligible to work in the United States
Skills
CAN
CAN-FD
LIN
automotive Ethernet
coax/FAKRA
GMSL
DMM
scope
CAD
3D printing
sheet metal
Benefits
Equity
About the company
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.
About the role
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.
Responsibilities
•
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
Minimum Qualifications
•
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
Preferred Qualifications
•
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
Compensation
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.
Legal
As part of the interview process, we may use Artificial Intelligence (AI) tools to compare your qualifications and experience to the job description. A human reviews all AI output and makes a final hiring decision. Humble Robotics does not rely on the output to make any employment decisions. Some applicants may have a legal right to opt-out of the use of AI as part of our interview process. Contact [email protected] to exercise this right or if you have further questions on the use of AI tools in our hiring process.
Humble Robotics is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, national origin, gender, age, religion, disability, sexual orientation, veteran status, marital status or any other characteristics protected by law. Humble Robotics will consider qualified applicants with arrest and conviction records in a manner consistent with local ordinances.
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