Sr. Engineer, Field Application

LG Energy Solution Arizona; Cupertino (CA); On-site; USD 95,000 - 120,000; Full time

Job summary

LG Energy Solution Arizona is seeking a Sr. Engineer, Field Application to support customer-facing technical activities for lithium-ion battery products.

This role involves collaborating with engineering, quality, and manufacturing teams to address field issues and ensure product qualification. Ideal candidates should have a Bachelor’s in Engineering or Science, at least 7 years of relevant experience, and a strong understanding of technical problem-solving.

Qualifications

• Minimum of 7 years of experience in engineering, quality, customer support, or technical programs.
• Experience in lithium-ion batteries or automotive manufacturing preferred.
• Ability to manage multiple priorities and deadlines.

Responsibilities

• Serve as a technical point of contact for customers regarding EV battery product performance.
• Collaborate with teams to resolve field application issues.
• Support root cause analysis and corrective actions.

Skills

Root cause analysis

Corrective action processes

Failure analysis

Technical problem-solving

Organizational skills

Communication skills

Education

Bachelor’s degree in Engineering, Science, or related field

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 Title: Sr. Engineer, Field Application

Summary

The Sr. Engineer, Field Application supports customer‑facing technical activities for lithium‑ion battery products used in electric vehicle applications. This role serves as a key technical liaison between customers, internal engineering teams, and teams in manufacturing, quality, and headquarters to support product qualifications, resolve field issues, and drive corrective actions.

Essential Duties and Responsibilities

• Serve as a technical point of contact for customers regarding EV battery product performance, field concerns, specifications, and quality‑related issues.
• Collaborate with customers, internal engineering, quality, manufacturing, and headquarters teams to investigate and resolve field application issues.
• Support root cause analysis, failure analysis, containment actions, corrective actions, and preventive actions related to customer and field concerns.
• Review technical data, product performance trends, field reports, test results, and customer feedback to identify risks and improvement opportunities.
• Coordinate cross‑functional activities to ensure timely resolution of customer issues and effective communication of action plans.
• Communicate issue status, investigation progress, risks, timelines, and recovery plans to internal and external stakeholders.
• Support product qualification, validation, specification review, and technical discussions with customers.
• Monitor corrective action implementation and verify effectiveness through follow‑up reviews, audits, or data analysis.
• Develop and maintain strong working relationships with engineering, quality, purchasing, and business teams.
• Prepare technical reports, customer response materials, presentations, and issue summaries as needed.
• Identify critical‑path risks, dependencies, and opportunities that may affect customer satisfaction, product quality, or program timing.
• Travel to customer locations, manufacturing sites, or field locations as required to support investigations, meetings, containment activities, and technical reviews.
• Perform other duties and special projects as assigned.

Qualifications

• Bachelor’s degree in Engineering, Science, or a related technical field required.
• Minimum of 7 years of engineering, quality, customer support, field application, or technical program experience preferred.
• Experience in lithium‑ion batteries, EV battery systems, automotive manufacturing, or Tier 1 automotive environments preferred.
• Experience supporting customer‑facing technical issues, field investigations, or product quality concerns preferred.
• Ability to analyze technical data, identify trends, and communicate findings clearly to technical and non‑technical audiences.
• Ability to work effectively with cross‑functional teams across different departments, cultures, and time zones.
• Ability to travel as needed.

Skills

• Strong understanding of root cause analysis, corrective action processes, failure analysis, and technical problem‑solving methods.
• Strong organizational skills with the ability to manage multiple issues, priorities, and deadlines.
• Excellent written, verbal, and presentation skills.
• High attention to detail, strong ownership mindset, and ability to work independently with minimal supervision.

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