Sr. Wiring Harness Quality Technician (Contract)

Harbinger

Harbinger

Quality Assurance

Garden Grove, CA, USA

USD 30-40 / hour

Posted on May 28, 2026

About Harbinger

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbinger’s best-in-class team of EV, battery, and drivetrain experts have pooled their deep experience to bring a first-of-its-kind EV platform to support the growing demand for medium-duty EVs and Hybrids. Harbinger: Familiar Form, Revolutionary Foundation.

Job Overview

Harbinger Motors is seeking a highly skilled Sr. Wiring Harness Quality Technician to support the assembly and quality auditing of prototype Low Voltage (LV) and High Voltage (HV) wire harnesses. This is a contract-to-hire position requiring on-site attendance five days a week at our Garden Grove facility. This role is critical in ensuring our prototype vehicles meet the highest standards of electrical safety and performance.

Responsibilities

  • Assembly & Integration: Build, install, and repair complex LV and HV harnesses according to detailed technical drawings & schematics.
  • Quality Auditing: Perform 100% visual and mechanical inspections on in-house builds, focusing on routing, labeling, tie-wrap tension, and overall workmanship.
  • Verification & Testing: Conduct crimp height analysis, pull-tests, and terminal seating audits to ensure electrical and mechanical integrity.
  • Precision Measurement: Use calipers & tape measures to verify harness lengths and breakout points against engineering specifications.
  • Documentation: Maintain rigorous audit logs and "redline" engineering drawings when discrepancies or design improvements are identified.
  • Precision Soldering: Utilize microscopes to solder components onto PCBAs and perform wire-to-board terminations.
  • Continuous Improvement: Partner with the engineering and production teams to perform root-cause analysis on defects and suggest process optimizations.
  • Lab Stewardship: Maintain a clean, organized, and safe laboratory environment (5S).

Required Skills & Qualifications

  • Experience: 5+ years of experience building complex wire harnesses from scratch.
  • Technical Proficiency: Mastery of industry-standard crimping, terminating, splicing, and shielding techniques.
  • PCBA Skills: Proven experience soldering components onto PCBAs under a microscope.
  • Schematic Literacy: Advanced ability to interpret complex wiring diagrams, electrical schematics, and mechanical assembly drawings.
  • Adaptability: Ability to multi-task and pivot quickly in a fast-paced prototype environment.
  • Education: High school diploma or equivalent; technical trade school certification is a plus.

Desired Skills & Certifications

  • IPC Certification: Current or prior IPC/WHMA-A-620 (Certified IPC Specialist) status.
  • Soldering Standards: Familiarity with J-STD-001 for soldered electrical and electronic assemblies.
  • EV Experience: Knowledge of high-voltage safety protocols and orange-cable handling/shielding.
  • Lean Methodologies: Experience with 5S, Six Sigma, or similar quality management frameworks.

Compensation

  • Pay Range: $30.00 – $40.00 per hour, commensurate with experience.
  • Overtime: Available and expected based on project milestones.
Equal Opportunity
Harbinger is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, ancestry, sex, sexual orientation, gender, gender expression, gender identity, genetic information or characteristics, physical or mental disability, marital/domestic partner status, age, military/veteran status, medical condition, or any other characteristic protected by law.
Harbinger is committed to ensuring that our hiring process is accessible for persons with disabilities. If you have a disability or limitation, such as those covered by the Americans with Disabilities Act, that requires accommodations to assist you in the search and application process, please email us at info@harbingermotors.com.
Candidate Data Privacy
Harbinger may collect, use and disclose your personal information or personal data (within the meaning of the applicable data protection laws) when you apply for employment and/or participate in our recruitment processes (“Candidate Personal Data”). This data includes contact, demographic, communications, educational, professional, employment, social media/website, network/device, recruiting system usage/interaction, security and preference information. Harbinger may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law.
Harbinger may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our HR, legal, and finance teams, and the team(s) with the position(s) for which you are applying; (ii) Harbinger affiliates; and (iii) Harbinger’s service providers, including providers of background checks, staffing services, and cloud services.
Harbinger may transfer or store internationally your Candidate Personal Data, including to or in the United States, Canada, the United Kingdom, and the European Union and in the cloud, and this data may be subject to the laws and accessible to the courts, law enforcement and national security authorities of such jurisdictions.
Please note that we are currently not accepting applications from third party application services. Any unsolicited resumes or candidate profiles submitted in response to our job posting shall be considered the property of Harbinger and are not subject to payment of referral or placement fees if any such candidate is later hired by Harbinger unless you have a signed written agreement in place with us which covers the applicable job posting.

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