ESS Delivery Engineer

About the Role

CATL is seeking an ESS Delivery Engineer to join their team in Riyadh. This full-time position involves participating in the commissioning, project delivery, and acceptance of large-scale Battery Energy Storage System (BESS) projects. The role requires 5-10 years of experience in relevant fields.

Key Responsibilities

• Participate in the commissioning, project delivery, and acceptance phases of large-scale BESS projects.
• Perform commissioning, troubleshooting, and defect resolution for battery containers/cabinets, including Fire Suppression Systems (FSS), Liquid Cooling Systems (HVAC/TMS), DC Circuits (up to 1500V DC), Auxiliary AC Circuits (220V/400V AC), and BMS Communication Systems.
• Assist with the commissioning of PCS (Power Conversion System) and EMS (Energy Management System), applying a basic understanding of their operating principles.
• Support on-site issue analysis, fault diagnosis, corrective actions, and issue closure in collaboration with the project team.
• Participate in Site Acceptance Testing (SAT), grid connection testing, and project acceptance activities.
• Support customer training on system operation, maintenance, and product usage.
• Track commissioning issues to closure and ensure projects are delivered according to schedule.
• Collaborate with cross-functional teams (R&D, Quality, After-Sales Service, Project Management) to resolve site issues efficiently.
• Comply with EHS (Environment, Health & Safety) requirements and ensure safe execution of all commissioning activities.

Qualifications and Experience

• Bachelor's degree or above in Electrical Engineering, Communication Engineering, Energy Engineering, Renewable Energy Technology, or related disciplines.
• More than 5 years of experience in electrical equipment commissioning, energy projects, or related industries.
• Familiarity with one or more of the following areas: basic knowledge of primary and secondary electrical systems; energy storage systems, photovoltaic (PV) systems, and power systems; basic principles of BMS, PCS, and EMS; industrial communication protocols such as CAN and Modbus RTU/TCP; communication networks and fieldbus technologies.
• Ability to read and understand electrical schematics, wiring diagrams, and communication topology drawings.
• Knowledge of BESS grid-connection processes, substation equipment, and power plant delivery procedures is preferred.
• Proficient in Microsoft Office and other standard office software.

Preferred Qualifications

• Experience in Battery Energy Storage Systems (BESS), photovoltaic (PV), or wind power projects.
• Low-voltage and/or high-voltage electrical certification, or equivalent electrical qualifications.
• Experience working on international projects or in a multicultural environment.

Required Skills

• Strong analytical, communication, coordination, and teamwork skills.
• Willingness to travel extensively and undertake long-term assignments at project sites overseas.

Work Environment

This is a full-time position based in Riyadh, requiring extensive travel and long-term assignments at project sites, potentially overseas. The role involves collaboration with diverse internal and external teams to ensure successful project delivery.