Engineer II, Assembly Process

LG Energy Solution Arizona; Queen Creek (AZ); On-site; USD 85,000 - 115,000; Full time

Job summary

LG Energy Solution Arizona, Inc. is seeking an Engineer II, Assembly Process to independently support and improve cell assembly manufacturing processes.

You will apply DOE, SPC and root-cause methods to troubleshoot issues, optimize process parameters and drive continuous improvement across quality, productivity, and cost targets. The role involves maintaining process documentation, supporting new materials and equipment qualifications, and collaborating with cross-functional teams to ensure

Qualifications

• Bachelor's degree in chemical, materials, mechanical, industrial or related engineering field.
• 3+ years of manufacturing or process engineering experience preferred.
• Experience in lithium-ion battery, automotive, semiconductor, chemical processing or high-volume manufacturing preferred.

Responsibilities

• Monitor and improve assigned manufacturing processes to enhance quality, yield, cycle time and productivity.
• Investigate process and quality issues using root-cause methods and implement corrective actions.
• Design and execute DOE, SPC and process capability analyses to identify variation and opportunities.
• Optimize parameters, recipes, specifications and operating conditions per engineering and quality requirements.
• Maintain PFMEAs, Process Flow Diagrams, Control Plans, SOPs and work instructions.
• Support qualification/validation activities for new materials, equipment and process changes.
• Assist New Model Introduction, process transfers, equipment installation and commissioning, ramp-up activities.
• Provide technical guidance and training to junior engineers and operators.

Skills

DOE

SPC

Root cause analysis

Statistical analysis

Troubleshooting

Minitab/JMP

Education

Bachelor's degree in Chemical Engineering

Tools

PFMEA

Control Plans

8D

Fishbone Diagram

Pareto Analysis

Failure Analysis

Job description

LG Energy Solution is the global leader in lithium-ion battery technology for electric vehicles and energy storage solutions. Located in Queen Creek, Arizona, LG Energy Solution Arizona, Inc. is LG Group's first cylindrical battery manufacturer in North America, leading the widespread distribution of electric vehicles with the most advanced battery technology in the world.

Join us as we inspire our talent with growth, challenge, action and collaboration to Empower Every Possibility!

Job Summary

The Engineer II, Assembly Process independently supports and improves assigned cell assembly manufacturing processes to achieve quality, productivity, cost, and equipment performance objectives. This position applies engineering principles, statistical analysis, and structured problem-solving methods to troubleshoot manufacturing issues, optimize process parameters, support process changes, and implement continuous improvement initiatives.

Responsibilities

• Monitor, analyze, and improve assigned manufacturing processes to enhance quality, yield, cycle time, OEE, Process Down (PD), scrap, and productivity.
• Investigate process and quality issues using structured root cause analysis and implement appropriate corrective and preventive actions.
• Design and execute DOE, SPC, process capability analysis, and other statistical evaluations to identify process variation and improvement opportunities.
• Optimize manufacturing parameters, recipes, specifications, and operating conditions within established engineering and quality requirements.
• Maintain and improve PFMEAs, Process Flow Diagrams, Control Plans, process specifications, SOPs, work instructions, and other manufacturing documentation.
• Support qualification and validation activities for new materials, equipment, tooling, process changes, and 4M changes.
• Support New Model Introduction, process transfers, equipment installation, commissioning, and manufacturing ramp-up activities.
• Serve as a primary process engineering resource for assigned production lines and provide technical troubleshooting support to Production, Equipment Engineering, Maintenance, and Quality teams.
• Analyze manufacturing data and prepare technical reports, recommendations, and improvement proposals for engineering and operational stakeholders.
• Participate in continuous improvement, Lean/Six Sigma, cost reduction, automation, and smart manufacturing initiatives.
• Support internal and customer audits and ensure assigned processes comply with applicable quality, safety, and manufacturing standards.
• Provide technical guidance and training to Process Engineer I employees, technicians, operators, and other manufacturing personnel as appropriate.
• Coordinate assigned engineering projects and cross-functional improvement activities within established scope, schedule, and technical requirements.
• Perform other related duties as assigned.

Qualifications

• Bachelor's degree in Chemical Engineering, Materials Engineering, Mechanical Engineering, Industrial Engineering, Electrical Engineering, or a related engineering discipline.
• Minimum 3 years of relevant manufacturing or process engineering experience.
• Experience in lithium-ion battery, automotive, semiconductor, chemical processing, advanced manufacturing, or other high-volume manufacturing environments preferred.
• Experience with battery cell assembly processes such as stacking/winding, welding, casing, electrolyte filling, or related processes preferred.

Knowledge, Skills & Abilities

• Working knowledge of DOE, SPC, process capability analysis, root cause analysis, process validation, and continuous improvement methodologies.
• Experience using engineering and quality tools such as PFMEA, Control Plans, 8D, Fishbone Diagram, Pareto Analysis, and Failure Analysis.
• Ability to independently troubleshoot manufacturing and process-related problems of moderate complexity.
• Ability to analyze manufacturing data and translate findings into practical process improvements.
• Proficiency with statistical analysis tools such as Minitab, JMP, or equivalent software preferred.
• Strong analytical, problem-solving, technical writing, and communication skills.
• Ability to effectively collaborate with Production, Quality, Equipment Engineering, Maintenance, and other cross-functional teams.
• Ability to manage multiple engineering assignments and improvement projects with limited supervision.
• Demonstrated ability to provide technical guidance to less-experienced engineers and manufacturing personnel.

Why should you work here?

1. Growth - You are a self-driven individual who seeks and captures the opportunities for growth we offer by acquiring and solving tasks.

2. Challenge - You reach beyond expectations and strive for innovative methods beyond the traditional.

3. Action - You are driven, take initiative, can execute decisions with agility and fulfill tasks to completion.

4. Collaboration - You are enthusiastic about teamwork while respecting the different backgrounds and experience of colleagues.

EEO Statement

LG Energy Solution Arizona, Inc. is an Equal Employment Opportunity Employer.