Field Service Engineer – Utility-Scale Battery Energy Storage (BESS)
Location: Sydney (with regular travel)
Reports to: Technical Support Manager
Overview of the Position
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.
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