Manufacturing Manager, Powertrain
Harbinger
Garden Grove, CA, USA
USD 150k-170k / year + Equity
Posted on Oct 1, 2025
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
The Manufacturing Manager – Powertrain will lead manufacturing operations for the Powertrain area of our assembly plant. This role oversees both Operations and Manufacturing Engineering, ensuring world-class execution in safety, quality, delivery, cost, and people development. The Manufacturing Manager will serve as the key link between day-to-day production and long-term process improvement, driving operational excellence and supporting the company’s mission to deliver high-quality Electric Trucks at scale.
What You’ll Do:
- Direct daily production for the Powertrain area, ensuring output meets schedule, quality specifications, and efficiency targets.
- Lead and develop a high-performing team of supervisors, team leads, and operators across multiple shifts.
- Drive a culture of safety-first, compliance, and accountability, ensuring adherence to all EHS standards.
- Manage production KPIs (OEE, FPY, scrap, downtime, labor efficiency) with clear problem-solving and escalation processes.
- Oversee process engineering and equipment performance for Powertrain assembly.
- Lead new process introduction, equipment commissioning, and continuous improvement projects.
- Partner with Design Engineering on Design for Manufacturing, ensuring new product launches are seamlessly integrated into production.
- Partner with Quality, Supply Chain, and Maintenance to ensure smooth production flow and quick resolution of issues.
- Work with Program Management and NPI teams to deliver robust product launches on time.
- Collaborate with HR and Training to strengthen skills, cross-training, and workforce readiness.
- Foster a culture of problem-solving, lean manufacturing, and employee engagement.
Who You Are
- Bachelor’s degree in Engineering, Manufacturing, Operations Management, or related field.
- 10+ years of experience in automotive or high-volume manufacturing, with at least 5 years in a leadership role.
- Strong knowledge of EV powertrain systems and assembly processes preferred.
- Demonstrated success managing both production and manufacturing engineering teams.
- Expertise in lean manufacturing, TPM, Six Sigma, or equivalent CI methodologies.
- Proven ability to lead through change, scale operations, and deliver results under pressure.
- Excellent communication, problem-solving, and leadership skills.
Key Benefits & Perks:
- Comprehensive Health, Dental & Vision (HDV) – 100% employee covered
- Early-stage Stock Options
- Robust Retirement Savings (401k, HSA, FSA)
- Generous Paid Time Off (PTO) & Parental Leave
- Annual Vacation Bonus
- Wellness & Fertility Benefits
- Cell Phone Stipend
- Complimentary Meals & Stocked Kitchens
California Pay Range
$150,000—$170,000 USD
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.