Technical Services Engineer

LONGi Energy Storage; United States; On-site; USD 70,000 - 90,000; Full time

Benefits offered by this job

Competitive salary

Travel allowances

Career growth opportunities

Access to cutting-edge technology

Job summary

A leading renewable energy company is seeking a skilled Field Service Engineer to focus on the operation, maintenance, and troubleshooting of utility-scale Battery Energy Storage Systems (BESS). This hands-on role requires three years of relevant experience, a bachelor's degree in a technical field, and involves on-site service, customer support, and detailed reporting. The position offers competitive salary, travel allowances, and opportunities for career growth in a rapidly evolving industry.

Qualifications

• 3+ years of experience in after-sales service, field engineering, or systems commissioning.
• Practical knowledge of battery energy storage technology and power conversion systems.
• Hands-on experience in troubleshooting battery systems and energy management systems.

Responsibilities

• Provide on-site commissioning and O&M services for utility-scale BESS installations.
• Conduct preventive and corrective maintenance to ensure optimal system performance.
• Prepare detailed service reports including fault analysis and technical recommendations.

Skills

Electrical systems knowledge

Troubleshooting skills

Technical documentation interpretation

Customer interaction professionalism

Problem-solving skills

Education

Bachelor’s degree in electrical engineering, automation or related field

Job description

Field Service Engineer – Utility-Scale Battery Energy Storage (BESS)

Reports to: Technical Support Manager

Overview

LONGi Storage is a fast-growing company specializing in advanced energy storage solutions. We are seeking a skilled and motivated Field service engineer to join our after-sales team, focusing on the operation, maintenance, and troubleshooting of utility-scale Battery Energy Storage Systems (BESS).

This role is ideal for a hands-on technical professional who enjoys working on-site, solving complex problems and ensuring the highest levels of system reliability and customer satisfaction.

Key Responsibilities

• Provide on-site commissioning and O&M services for utility-scale BESS installations.
• Perform functional and acceptance testing with customers.
• Diagnose and resolve technical issues within battery packs, power conversion systems and related components.
• Conduct preventive and corrective maintenance to ensure optimal system performance.
• Act as the primary technical contact for customers after project handover.
• Provide training and guidance to customers’ operations teams.
• Ensure timely, professional communication and customer satisfaction during service interactions.

Documentation & Reporting

• Prepare detailed service reports including fault analysis, troubleshooting, repair description and technical recommendations.
• Provide feedback to the engineering and R&D teams regarding recurring issues and potential product improvements.
• Support warranty management and escalation processes.
• Work closely with project delivery, engineering and sales teams to ensure smooth handover from project completion to service phase.
• Coordinate with suppliers and partners for replacement parts and technical solutions.

Requirements

Technical Skills & Experience

• 3+ years of experience in after-sales service, field engineering or systems commissioning - preferably energy storage, renewable energy sources or power electronics.
• Practical knowledge of electrical systems (low/medium voltage), BESS technology, power conversion systems (PCS) and energy management systems (EMS).
• Hands-on experience in troubleshooting of battery systems and SCADA/EMS systems.
• Ability to read and interpret electrical diagrams, technical manuals and engineering documentation.
• Bachelor’s degree in electrical engineering, automation or a related technical field.
• Strong problem-solving skills and the ability to work independently under pressure.
• High level of professionalism in customer interactions.
• Availability for frequent travels.

What We Offer

• Relevant role in a rapidly growing renewable energy company.
• Competitive salary and travel allowances
• Direct involvement in high visibility green energy transformation projects.
• Access to cutting-edge energy storage technology.
• Career growth opportunities in a global, future-oriented industry.
• Collaborative and innovative work environment.