Engineer I, Defect Engineering

LG Energy Solution Arizona•Queen Creek, AZ

4d•Onsite

About The Position

The Defect Control Engineer I, Process Technology, identifies battery cell defects caused by contamination and prevents recurrence through equipment and procedural improvements. The role focuses on quality and continuous improvement in the battery electrode manufacturing clean room. The engineer analyzes foreign particles and contamination risks, supports structured problem-solving and process improvements, maintains quality documentation, and helps ensure cleanliness and suitable environmental conditions in electrode production.

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.
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 with XRF and SEM/EDX tools for material and particle analysis.

Nice To Haves

Experience with electrode technology.
Manufacturing experience in the electrode process or production.

Responsibilities

Support improvements to reduce foreign particles using structured problem-solving approaches such as Lean Six Sigma.
Use SEM, XRF, and EDX analytical tools for material identification and contamination characterization.
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.
Resolve internal and external quality issues in collaboration with teams such as Production and Quality.
Support internal and customer audits, including preparation and follow-up of 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.
Perform other duties as assigned.