Field Services Engineer

LG Energy Solution Vertech, Inc. (LGES Vertech) is a leading provider of grid‑scale integrated energy storage systems, delivering safe, reliable, and high‑performance solutions to customers worldwide. Powered by our proprietary AEROS® energy operating system, we use advanced monitoring and controls to help customers optimize system performance and maximize the value of their energy storage assets.

At LGES Vertech, you’ll be part of a collaborative, team‑oriented organization that aspires to be humble, hungry, and smart, working together to transform the energy landscape and create a more sustainable future. We value innovation, accountability, and growth, and offer competitive compensation along with comprehensive benefits, including 100% employer‑paid medical, dental, vision, life, and disability insurance.

As the Field Service Engineer (FSE), you will be responsible for providing technical field support for Giga Watthour scale battery storage projects in the western U.S. The FSE will also manage quality‑related issue reporting and support field technicians in their daily tasks. This is a field-based role and will require daily attendance at remote locations.

The successful candidate will have experience handling manufacturer product warranties and return material authorizations (RMAs). This individual must be able to understand customer needs, develop solutions, and respond promptly to support requests. A strong technical background is required to serve as a product expert and provide effective technical assistance.

• Serve as the primary communication interface between customers and contractors
• Identify, document, and report quality issues
• Perform troubleshooting, diagnostics, and component replacements
• Conduct routine maintenance, including software updates and data collection
• Coordinate resources, parts, and logistics for field activities
• Produce daily field service reports
• Provide customer training and support training for internal technicians
• Collaborate with subcontractors and internal teams to complete repairs
• Manage all site‑level warranty issues
• Analyze system logs to identify issues and develop repair plans for subcontractors and internal technicians
• Participate in an after‑hours on‑call rotation to remotely troubleshoot and resolve site outages

• Lead efforts to resolve quality issues with relevant internal teams
• Initiate and track RMA and warranty processes
• Provide customers with clear response and action plans
• Coordinate resources, parts, and logistics for quality‑related work
• Support product analysis, root‑cause investigations, quality improvement plans, and preventive actions
• Create work orders and document issue descriptions, actions taken, and closing notes

• Strong understanding of electrical fundamentals and proficiency with test equipment (oscilloscopes, meggers, voltmeters, etc.)
• Basic knowledge of computer networks and familiarity with network troubleshooting tools (e.g., Busmaster, Wireshark)
• Strong computer skills, including proficiency with Microsoft Windows and Microsoft Office (Excel, PowerPoint, Word) and file‑sharing platforms
• Knowledge of industrial communication protocols such as SCADA, MODBUS, TCP, and CAN Bus
• Excellent verbal, written, and presentation communication skills
• Strong analytical ability to address unique and complex problems; able to proactively recommend product or process improvements
• Professional, self‑motivated, and results‑oriented work ethic
• Comfortable with long commutes and working beyond standard hours to meet customer needs
• Able to work outdoors in construction‑type environments with varying weather conditions and respond to urgent field support needs

• Bachelor’s degree in engineering or equivalent relevant experience
• 3+ years of experience in field service, customer service, or technical support
• Experience providing remote support via email, phone, and remote‑access tools (e.g., Team Viewer)
• Experience with installation or servicing of energy storage systems, renewable energy products, or utility‑scale power systems preferred
• Experience troubleshooting electrical circuits and computer networks required