Engineer I, Defect Engineering

LG Energy Solution Arizona • Queen Creek, AZ

5d

About The Position

The Defect Control Engineer I, Process Technology, identifies battery cell defects caused by contamination and helps prevent recurrence through equipment and procedural improvements. This role focuses on quality and continuous improvement in the battery electrode manufacturing clean room. The engineer uses analytical tools to identify and characterize contamination, applies structured problem-solving methods, maintains process quality documentation, supports audits, and monitors environmental conditions in cleanroom and manufacturing areas.

Requirements

• Bachelor’s degree in engineering or a related field, or equivalent relevant experience.
• At least 1 year of work experience in a technological or manufacturing field.
• Manufacturing experience in an electrode process or production.
• Knowledge of cleanroom standards, such as ISO 14644.
• Knowledge of PFMEA, Control Plans, and VDA 19.1 standards.
• Familiarity with foreign material analysis procedures and contamination control protocols.
• Experience with factory environmental monitoring systems.
• Experience using XRF and SEM/EDX tools for material and particle analysis.

Nice To Haves

• Experience with electrode technology.

Responsibilities

• Support improvements to reduce foreign particles using structured problem-solving approaches, such as Lean Six Sigma.
• Use SEM, XRF, and EDX analytical tools to identify materials and characterize contamination.
• Analyze foreign particles collected from manufacturing processes to identify sources and contamination risks.
• Standardize improvements and communicate them to others in writing and verbally.
• Update and maintain Control Plans and PFMEAs in collaboration with process and quality teams, including Production and Quality, and resolve internal and external quality issues.
• Support internal and customer audits, including preparation and follow-up on action items.
• Apply VDA 19.1 standards, including particle trap measurements, to ensure cleanliness in electrode production.
• Monitor and control temperature, humidity, and suspended particles in cleanroom and manufacturing areas to maintain optimal production environments.
• Perform other duties as assigned.

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level