EV Powertrain Manufacturing Engineer — Lean & Impact

Harbinger Motors Inc.; Garden Grove (CA); On-site; USD 85,000 - 115,000; Full time

Benefits offered by this job

Early-stage Stock Options

Robust Retirement Savings (401k, HSA,;

Annual Vacation Bonus

Wellness & Fertility Benefits

Cell Phone Stipend

Complimentary Meals & Stocked Kitchens

Job summary

Harbinger Motors Inc. in Garden Grove, CA, is seeking a Manufacturing Engineer to support daily production operations and drive continuous improvement across safety, quality, delivery, and cost.

You will resolve manufacturing issues and optimize processes, working with Operations, Quality, Supply Chain, Maintenance, and Product Engineering to boost performance. The role emphasizes Lean and Six Sigma project leadership, data-driven decision making, and developing robust work instructions, PFMEAs,

Qualifications

• Bachelor's degree in Manufacturing/Mechanical/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.

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, Fishbone, DOE, and Pareto analysis.

Skills

Lean Manufacturing

Six Sigma

Root cause analysis

Cross-functional leadership

Communication

Education

Bachelor's degree in Manufacturing Engineering

Tools

MES

ERP

Quality systems

Job description

Harbinger Motors Inc. in Garden Grove, CA, is seeking a Manufacturing Engineer to support daily production operations and drive continuous improvement across safety, quality, delivery, and cost.

You will resolve manufacturing issues and optimize processes, working with Operations, Quality, Supply Chain, Maintenance, and Product Engineering to boost performance. The role emphasizes Lean and Six Sigma project leadership, data-driven decision making, and developing robust work instructions, PFMEAs,