Engineer II, Process Technology; Defect Control

Engineer II, Process Technology (Defect Control)

Queen Creek, Arizona

We awaken the world with energy.

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 Defect Control Engineer II, Process Technology, identifies battery cell defects caused by contamination and prevents recurrence through equipment and procedural improvements. The individual in this role will drive a focus on quality and continuous improvement in our li‑ion battery electrode manufacturing cleanroom.

Responsibilities:

• Implement improvements that reduce foreign particles using a structured problem‑solving approach, such as lean Six Sigma.
• Utilize analytical tools such as SEM (Scanning Electron Microscope), XRF (X‑ray Fluorescence) and EDX (Energy Dispersive X‑ray Spectroscopy) for material identification and contamination characterization.
• Analyze foreign particles collected from manufacturing processes to identify sources and contamination risks.
• Standardize improvements and communicate them with others (written and verbally).
• Update and maintain Control Plans and PFMEAs (Process Failure Mode and Effects Analysis) in collaboration with process and quality teams, and resolve internal and external quality issues.
• Conduct 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.

Qualifications:

• Bachelor’s degree in engineering or related field required, or equivalent relevant experience.
• 3+ years of work experience in a technological or manufacturing field with preference for experience with electrode technology.
• Manufacturing experience (electrode process or production).
• Knowledge of cleanroom standards (e.g., ISO 14644), PFMEA, Control Plans, and VDA 19.1 standards.
• Familiarity with foreign material analysis procedures and contamination control protocols.
• Experience in factory environmental monitoring systems.
• Experience with XRF, SEM/EDX tools for material and particle analysis.

Why should you work here?

• Growth – you are a self‑driven individual who seeks and captures the opportunities for growth we offer by acquiring and solving tasks.
• Challenge – you reach beyond expectations and strive for innovative methods beyond the traditional.
• Action – you are driven, take initiative, can execute decisions with agility and fulfill tasks to completion.
• Collaboration – you are enthusiastic about teamwork while respecting the different backgrounds and experience of colleagues.

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