Field Application Engineer

Jinko ESS; Kuala Lumpur; On-site; MYR 67,000 - 112,000; Full time

Job summary

Jinko ESS is seeking an on-site installation and commissioning specialist in Kuala Lumpur, Malaysia. You will guide installation, inspect, commission, and hand over ESS projects, ensuring safe and reliable operation of PCS, BMS, EMS, and battery clusters.

You will diagnose faults, perform software upgrades, and optimize system parameters while coordinating with customers and suppliers. You will train customers, handle technical questions, and report site issues to HQ, supporting safety, quality,

Qualifications

• College degree or above in Electrical Engineering, Automation, New Energy, Power Electronics, or related fields.
• Familiar with energy storage system architecture; knowledge of PCS, BMS, EMS, battery clusters, fire protection, and related equipment.
• Able to read electrical drawings, wiring diagrams, and communication topologies; skilled with meters and testers.
• Familiarity with CAN, RS485, Modbus and IEC 61850 preferred.
• Strong sense of responsibility for safety, service quality and customer commitments.
• Willing to travel and be based at project sites; travel-friendly.

Responsibilities

• On-site installation guidance, inspection, commissioning, trial operation, acceptance, and handover of C&I and Utility ESS projects.
• Complete integrated commissioning of PCS, BMS, EMS, battery clusters, fire protection, and thermal management systems.
• Independently perform fault diagnosis, repairs, software upgrades, and parameter optimization.
• Act as on-site service interface, coordinating with customers, contractors, and suppliers to drive progress and safety.
• Maintain communication with HQ R&D, quality, supply chain, and project teams; report issues and track to resolution.
• Provide customer training, technical Q&A, and handle complaints to improve satisfaction.

Skills

On-site installation

Fault diagnosis

Software upgrades

Project coordination

Customer training

Electrical measurements

Education

Electrical Engineering degree

Tools

Multimeters

Clamp meters

Insulation testers

CAN analyzers

Job description

• Responsible for on-site installation guidance, inspection, commissioning, trial operation, acceptance, and handover of C&I、Utility ESS project.
• Complete integrated commissioning of PCS, BMS, EMS, battery clusters, fire protection, thermal management, power distribution, communications, and other systems to ensure safe and stable operation.
• Independently perform on-site fault diagnosis, repair, replacement, software upgrades, and parameter optimization, and close out work orders.
• Act as the on-site service interface, coordinating with customers, construction contractors, and suppliers to drive progress, quality, and safety management.
• Maintain communication with HQ R&D, quality, supply chain, and project teams; accurately report on-site issues and track them to resolution.
• Responsible for customer training, technical Q&A, and complaint handling to improve customer satisfaction.
• Comply with EHS safety regulations and follow on-site work requirements including high-voltage safety, lockout/tagout (LOTO), working at heights, and fire safety.
• Complete documentation such as work orders, logs, commissioning reports, acceptance forms, and spare parts consumption records.

Requirements

• College degree or above in Electrical Engineering, Automation, New Energy, Power Electronics, or related fields.
• Familiar with energy storage system architecture; knowledge of PCS, BMS, EMS, battery clusters, fire protection, thermal management, and related equipment.
• Able to read electrical drawings, wiring diagrams, and communication topologies; skilled in using multimeters, clamp meters, insulation resistance testers, CAN analyzers, and similar tools.
• Familiarity with common communication protocols such as CAN, RS485, Modbus, and IEC 61850 is preferred.
• Strong sense of responsibility: Take ownership of on-site safety, service quality, and customer commitments. Do not conceal or shift problems; proactively drive issues to closure.
• Customer communication and adaptability: Able to calm customers, clarify issues, coordinate resources, and provide solutions under pressure, complaints, or emergencies.
• Feedback and communication with HQ: Able to report on-site symptoms, data, actions taken, and support needed to HQ in a timely, accurate, and structured manner.
• Passion for field work: Willing to travel and be based at project sites; enjoys solving real problems and adapting to travel and challenging environments.
• Holding a low-voltage/high-voltage electrician certificate, working-at-heights certificate is preferred.