After-Sales Quality Engineer - Battery Energy Storage Systems (BESS)

We’re seeking a hands-on, customer-focused After-Sales Quality Engineer to join our client’s growing Energy Storage Systems (ESS) team in Auburn Hills. This engineer will play a key role in ensuring reliability, safety, and customer satisfaction for advanced Battery Energy Storage Systems (BESS) — including the next-generation Battery Box (SBB), a modular, containerized solution for commercial, industrial, and utility-scale applications.

If you’re an analytical problem solver who thrives in fast-paced environments, enjoys working directly with customers, and has a passion for renewable-energy technology, this is an exciting opportunity to make an impact in a rapidly expanding field.

What You’ll Do

Customer Support & Issue Resolution

• Serve as the primary contact for customers regarding product-quality or performance issues.
• Lead root-cause investigations and implement corrective and preventive actions (CAPA).
• Manage multiple customer cases and maintain proactive, professional communication.
• Track and report field performance trends to improve reliability and customer satisfaction.

Quality Case Management

• Oversee warranty and quality claims from initiation to closure using internal systems.
• Conduct failure-mode analysis and coordinate RCA and CAPA activities with internal and external teams.
• Prepare and deliver detailed technical reports for customers and management.
• Ensure compliance with Quality Assurance & Quality Control contractual requirements.

Field & Technical Support

• Travel to project sites for inspections and on-site investigations.
• Provide hands-on support to technicians and service partners.
• Verify adherence to quality, EHS, and documentation standards.
• Collaborate cross-functionally with engineering, operations, and supply chain teams.

Documentation & Continuous Improvement

• Record lessons learned and update troubleshooting and RCA documentation.
• Contribute to field communications and customer knowledge-base content.
• Promote safety culture and compliance with EHS standards.

What You’ll Bring

• Bachelor’s degree in Electrical, Mechanical, or Manufacturing Engineering (or equivalent).
• 6–10 years of experience in quality engineering within energy storage, renewable power, or industrial systems.
• Strong leadership in multi-factor root cause analysis and structured problem solving (5 Whys, 8D, FMEA, Fishbone).
• Proven customer-facing experience and ability to manage expectations under tight deadlines.
• Excellent verbal and written communication across technical and non-technical teams.
• Strong data analysis and reporting skills (Excel, PowerPoint, Word).
• Ability to manage multiple projects simultaneously in a fast-moving environment.
• Must hold a valid driver’s license and be willing to travel up to 40% domestically.

Preferred Qualifications

• Experience with lithium-ion battery systems, power electronics, or large-scale renewable systems.
• Familiarity with PV, wind, or grid-connected systems and high-voltage safety standards.
• Background in manufacturing quality systems and statistical process analysis.
• Korean language proficiency a plus for collaboration with global teams.

Why Apply?

• Be part of a cutting-edge renewable energy company driving sustainable power solutions.
• Enjoy a direct-hire opportunity with strong career growth potential.
• Work in a collaborative global environment with exposure to advanced technology and engineering excellence.