Job Description
Job Description
Senior Quality Engineer – ESS
Location : Remote / Hybrid (20~40% travel predominantly across U.S., with possible assignment in rest of Americas)
Departme nt : ESS / Services / ASCS (After-Sales Customer-Service)
Reports To : Head of ESS / Services / ASCS
Position Summary
The After-Sales Quality Engineer is a front-line representative responsible for ensuring customer satisfaction and operational performance reliability of our Battery Energy Storage System (BESS) products in the U.S. market, — including the new Samsung SDI Battery Box (SBB), a containerized, modular solution designed for commercial, industrial, and utility-scale applications.
In this role, you will combine strong technical knowledge, functional expertise in Quality Management Process with exceptional customer-facing and communication skills to address in-depth product quality issues and maintain high levels of customer trust. As part of the ESS / Service group, you will work collaboratively with global Advanced Engineering or Quality teams to deliver rigorous and timely response to quality alerts that uphold our commitment to safety, performance, and responsiveness.
This position is ideal for an experienced and polyvalent engineer with intellectual rigor and investigative spirit who enjoys working directly with customers, managing multiple priorities, and leading to shape a world-class project delivery and after-sales experience in the renewable-energy sector for a global brand like Samsung.
Key Responsibilities
Customer Support & Issue Resolution
- Act as the primary customer contact for all product-quality or performance shortfalls concerns, providing clear, proactive communication and status updates.
- Lead rigorous diagnostic and problem-solving efforts to identify root causes and ensure fast, accurate resolutions.
- Maintain a customer-focused approach in all interactions—balancing technical rigor with responsiveness, emotional intelligence, and professionalism.
- Manage multiple customer cases simultaneously, ensuring timely closure and alignment with service performance goals.
- Proactively report on the diligent application of corrective / preventive action (CAPA) plans
Quality Case Management
Oversee assigned quality claims and warranty cases from initiation to resolution using internal systems.Review field findings, logs, and reports to validate results and support warranty determinations.Coordinate root-cause analysis (RCA) and corrective / preventive action (CAPA) implementation with internal engineering and quality teams and, as needed, with external 3rd parties involved in the failure analysis investigation.Manage the interface with the Customer Supply Chain or Quality RepresentativeOwn the preparation of RCA report and their delivery to the CustomerTrack service metrics and report trends to improve field reliability and customer experience.Be the guarantor of Quality Assurance & Quality Control contractual obligationsField Support & Collaboration
Travel to project site for initial and follow-up field inspectionsProvide remote and on-site technical guidance to field technicians and service partners involved in the on-site diagnosis and failure analysis investigation.Validate service quality and ensure compliance with company quality standards, EHS requirements, and documentation protocols.Partner cross-functionally with project managers, operations, and global teams to ensure consistent customer support coverage and information flow.Documentation & Knowledge Sharing
Record lessons learned and update internal troubleshooting guides, FAQs, and failure analysis procedure and RCA material templates.Contribute to customer-facing documentation and field communications to promote self-service and faster response.Safety & Compliance
Ensure all service work complies with EHS, electrical, and site-specific safety requirements.Support continuous safety improvement through feedback, reporting, and training participation.What You Bring (Must-Have Qualifications)
Bachelor’s degree in Electrical, Mechanical, or Manufacturing Engineering—or equivalent technical experience.6–10 years of experience in energy storage, renewable-power, or industrial product Quality Management.Leadership in complex multi-factorial problem solving casesExpertise in Root Cause Analysis or structured problem-solving methodologies (5 Whys, FMEA, Fishbone, 8D)Customer-centric with proven ability to manage customer expectations under tight timelines.Excellent communication and interpersonal skills across diverse technical and non-technical stakeholders.Demonstrated ability to manage multiple projects and priorities in a fast-moving environment.Analytical problem-solving skills focused on technical accuracy and long-term reliability.Proficiency with standard office and reporting tools (Excel, PowerPoint, Word).Ability to travel domestically (25–40%) to customer and partner sites and hold a valid driver’s license.Desired Skills & Qualifications
Experience with lithium-ion battery technology, large scale battery system, and understanding of associated safety & reliability considerations.Background in renewable-energy systems (PV, wind, grid-connected).Background in lithium-ion cell and module manufacturingBackground in mass manufacturing quality management systemBackground in statistical analysisKorean language proficiency is a plus for collaboration with global Quality and Advanced Engineering teams.