Battery Energy Storage Commissioning Engineer

CATL; Saudi Arabia; On-site; SAR 150,000 - 230,000; Full time

Job summary

CATL invites engineers to join our energy storage commissioning team in Saudi Arabia. You will participate in the commissioning, delivery, and acceptance of large-scale BESS projects, ensuring safety, quality and schedule adherence on site.

Responsibilities include on-site commissioning and troubleshooting of FSS, HVAC/TMS, DC/AC circuits, BMS/PCS/EMS, SAT testing, grid connection, and customer training. You will collaborate with R&D, QA, and project teams to resolve issues and deliver projects

Qualifications

• Bachelor's degree or above in a relevant engineering field.
• 1–3 years experience in electrical equipment commissioning or energy projects.
• Knowledge of BMS, PCS, EMS basics; PV/BESS familiarity.
• Ability to read electrical schematics and diagrams.
• Fluent English for on-site communication.
• Willingness to travel extensively and work at overseas project sites.

Responsibilities

• Participate in commissioning, delivery, and SAT for large-scale BESS projects.
• Perform commissioning, troubleshooting, and defect resolution for battery containers and systems (FSS, HVAC/TMS, 1500V DC, 220/400V AC, BMS).
• Assist with commissioning of PCS and EMS basics.
• Provide on-site issue analysis, fault diagnosis, and corrective actions with project team.
• Support site Acceptance Testing, grid connection tests, and project acceptance activities.
• Assist customer training on system operation and maintenance.
• Track issues to closure and ensure on-time delivery.
• Collaborate with R&D, Quality, After-Sales, PM to resolve site issues.
• Comply with EHS requirements and safe execution of all commissioning activities.

Skills

Electrical engineering

Energy systems

CAN / Modbus

Reading schematics

English fluency

Teamwork

Travel readiness

Education

Bachelor's degree or above in engineering

Electrical Engineering

Energy Engineering

Renewable Energy Technology

Tools

CAN bus

Modbus RTU/TCP

Job description

CATL invites engineers to join our energy storage commissioning team in Saudi Arabia. You will participate in the commissioning, delivery, and acceptance of large-scale BESS projects, ensuring safety, quality and schedule adherence on site.

Responsibilities include on-site commissioning and troubleshooting of FSS, HVAC/TMS, DC/AC circuits, BMS/PCS/EMS, SAT testing, grid connection, and customer training. You will collaborate with R&D, QA, and project teams to resolve issues and deliver projects