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Manufacturing Engineer, General Assembly

Harbinger Motors

Job Location:

Garden Grove, CA - USA

Monthly Salary: $ 140000 - 180000

Posted: 24 July 2026 (30+ days ago)

Application Deadline: 4 November 2026

Vacancies: 1 Vacancy

Job Summary

About Harbinger

Harbinger is an American commercial electric vehicle (EV) company on a mission to transform an industry starving for innovation. Harbingers 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.

Position Summary

The Manufacturing Engineer is responsible for supporting daily production operations while driving continuous improvement across safety quality delivery and cost. This role serves as the primary engineering resource for resolving manufacturing issues optimizing manufacturing processes implementing engineering changes and ensuring products are built to specification. The Manufacturing Engineer works closely with Operations Quality Supply Chain Maintenance and Product Engineering to improve production performance and manufacturing capability.

Key Responsibilities

Serve as the primary engineering resource for manufacturing issues impacting safety quality delivery and productivity.
Develop and maintain work instructions standard work process flows PFMEAs control plans and manufacturing documentation.
Develop implement and validate corrective and preventive actions.
Support containment and recovery activities related to quality supplier and production issues.
Escalate critical production risks and drive timely resolution.
Drive continuous improvement initiatives focused on throughput labor efficiency cycle time OEE first-pass yield and cost reduction.
Analyze manufacturing data and KPIs to identify opportunities and prioritize improvement activities.
Lead Lean Manufacturing Six Sigma and waste reduction initiatives.
Support implementation of engineering change orders (ECOs) product revisions and process changes.
Design and improve manufacturing processes tooling fixtures and automation solutions.
Support MES traceability process controls and manufacturing system improvements.
Validate new equipment tooling suppliers processes and product changes.
Lead capacity line balancing workflow and ergonomic improvement projects.
Support new product introductions and manufacturing readiness activities.
Lead root cause investigations using structured problem-solving methodologies including 5 Why FishboneDOE and Pareto analysis.

Qualifications

Bachelors degree in Manufacturing Engineering Mechanical Engineering Industrial Engineering or related field.
3 years of manufacturing engineering experience.
Experience in high-volume manufacturing automotive EV aerospace or industrial production environments preferred.
Strong knowledge of Lean Manufacturing Six Sigma and root cause analysis methodologies.
Experience with MES ERP quality systems and manufacturing data analysis.
Strong communication and cross-functional 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

$140000 - $180000 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

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) Harbingers 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.

Required Experience:

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