Job Description

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!

At LG Energy Solution Arizona, Inc., the Sr. Engineer – Analysis, Quality Assurance leads complex failure investigations to identify the root causes of safety and reliability issues related to lithium-ion battery cells. Operating within an advanced laboratory and analytical environment, this role drives in-depth analysis of internal, external, and field-returned samples to determine failure mechanisms and systemic risks across supplier, production, and finished product stages. The Senior Engineer develops detailed technical reports, leads cross-functional investigations, and provides technical leadership for failure analysis activities and investigation strategy. Through these efforts, the role guides engineering and quality teams in implementing effective corrective and preventive actions that strengthen product safety and reliability.

Responsibilities:
• Lead structural and design safety risk analysis of lithium-ion battery cell systems using advanced analytical methods and precision analysis equipment.
• Lead complex battery failure investigations by analyzing internal samples, field-returned products, and adjacent cell conditions to identify root causes and failure mechanisms.
• Design and lead reproducibility experiments to validate suspected failure mechanisms and confirm systemic root causes of field quality issues.
• Serve as a Subject Matter Expert (SME) in failure analysis, mentoring engineers and guiding operators on standardized analysis methods and proper use of laboratory equipment.
• Develop and maintain a failure occurrence knowledge library documenting key failure phenomena identified through field quality investigations and reproducibility testing.
• Perform advanced data analysis and present investigation findings, root causes, and recommended corrective actions to engineering leadership and cross-functional stakeholders.
• Drive cross-functional investigations with Engineering, Quality, Customer Service/Warranty teams, suppliers, and global headquarters to resolve complex product issues and strengthen product reliability.
• Maintain laboratory organization and compliance with 5S3R standards (Sort, Set in Order, Shine, Standardize, Sustain; Right Location, Right Quantity, Right Container) to ensure a safe and efficient analysis environment.

Qualifications:
• Bachelor’s degree in Engineering or a related technical field; equivalent diploma with relevant experience may be considered.
• 7+ years of experience in quality engineering, failure analysis, or reproducibility testing within an automotive or manufacturing environment.
• Extensive experience conducting complex failure investigations of lithium-ion battery components, including fire-related or safety-critical events.
• Advanced experience using failure analysis and non-destructive testing equipment, including 3D CT systems, SEM/EDX, ion milling, mechanical polishing, or optical microscopy.
• Experience operating battery charge and discharge system equipment for product testing and failure investigation.
• Experience in metrology, measurement systems programs, and calibration processes preferred.
• Demonstrated problem-solving capability, with Six Sigma Green Belt or equivalent methodology experience preferred.
• Ability to work flexible hours as needed to support global collaboration and investigation activities.

Skills:
• Knowledge of IATF and ISO standards.
• Experience using Minitab, Six Sigma methodologies, and 8D problem-solving approaches.
• Excellent verbal, written, and presentation communication skills.
• Ability to provide technical guidance on failure analysis methods and investigation approaches.
• Strong critical thinking abilities and analytical problem-solving skills.
• Demonstrated teamwork and effectiveness in achieving project and organizational goals.
• Proficiency in Microsoft Office Suite and Minitab for data analysis and reporting.
• Strong data analysis and statistical problem-solving capability.

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.