Field Services Engineer

CATL; Greater London; On-site; GBP 50,000 - 80,000; Full time

Job summary

CATL is seeking an on-site Operations & Maintenance Engineer to lead daily inspection and maintenance of energy storage systems across PCS, BMS, EMS, and related equipment. You will ensure safe, reliable operation and coordinate with field teams to resolve issues promptly.

The role requires strong English communication, 3+ years of relevant experience, and a proactive, safety-conscious mindset. You will report to the site operations team and collaborate with customers and partners to uphold high

Qualifications

• Education: Bachelor’s degree or above.
• Skills: Experience in O&M and maintenance of large-scale energy storage projects preferred.
• Experience: 3+ years of relevant experience preferred.
• Languages: Fluent in English, good at Spanish is a plus.
• Others: Strong coordination, communication, and logical thinking; highly responsible and proactive.

Responsibilities

• On-site Equipment Inspection & Maintenance: Conduct daily inspections, spot checks, and preventive maintenance on energy storage systems (PCS, BMS, EMS, battery clusters, transformers, switchgear, fire suppression systems), ensuring safe and stable operation.
• Fault Diagnosis & Emergency Response: Respond to fault alarms, perform on-site localization and root-cause analysis, and coordinate with technical teams to minimize downtime.
• Equipment Commissioning Support: Coordinate resources for post-installation commissioning, grid-connection testing, trial operation, and final acceptance.
• O&M Data Management & Reporting: Collect and organize data, analyze health status, propose improvements, and produce regular O&M reports.
• On-site Safety Management & Customer Communication: Enforce safety procedures, manage risk control and work permits, and maintain communication with customers.
• In charge of inspection, maintenance, repair, and fault diagnosis of new energy vehicles; testing and repairs on the power battery, drive motor, and control systems.

Skills

O&M

Maintenance

Coordination

Communication

English

Spanish

Education

Bachelor's degree or above

Job description

Job Responsibilities

1. On-site Equipment Inspection & Maintenance: Conduct daily inspections, spot checks, and preventive maintenance on energy storage systems (PCS, BMS, EMS, battery clusters, transformers, switchgear, fire suppression systems, etc.) according to O&M plans; promptly identify and resolve equipment anomalies to ensure safe and stable system operation.

2. Fault Diagnosis & Emergency Response: Receive and respond to equipment fault alarms; rapidly perform on-site fault localization, root cause analysis, and repair recovery; coordinate with relevant technical teams on complex faults to minimize downtime and improve system availability.

3. Equipment Commissioning Support: Coordinate resources for post-installation commissioning, grid-connection testing, trial operation, and final acceptance of energy storage projects.

4. O&M Data Management & Reporting: Collect and organize operational data, fault records, maintenance records, and inspection reports; analyze equipment operating status and health conditions; propose optimization recommendations; and regularly produce O&M analysis reports to support equipment reliability improvement.

5. On-site Safety Management & Customer Communication: Strictly enforce electrical safety operation procedures and energy storage industry safety standards; implement on-site risk control and work permit systems; maintain communication and coordination with customers, owners, and relevant partners; provide timely feedback on equipment operation; and enhance customer satisfaction.

6. In charge of inspection, maintenance, repair, and fault diagnosis of new energy vehicles; conducted testing and repairs on the power battery, drive motor, and electronic control systems.

Qualifications

- Education: Bachelor’s degree or above

- Skills: Experience in O&M and maintenance of large-scale energy storage projects preferred

- Experience: 3+ years of relevant experience preferred

- Languages: Fluent in English, good at Spanish is a plus

- Others:

1. Strong coordination, communication, and logical thinking skills

2. Aligned with the company’s striving culture; highly responsible, proactive, and self-driven