After-Sales Service Engineer

HANCHU ESS; Long Lee; On-site; GBP 35,000 - 55,000; Full time

Job summary

HANCHU ESS is seeking an experienced after-sales engineer to support the UK and European regions. You will handle spare parts operations, remote and on-site technical support, and customer training to ensure efficient energy storage system operations.

The role requires 3+ years in after-sales or technical support in energy storage or electrical industries, a relevant engineering degree, and willingness to travel across the UK and Europe. Fluency in Mandarin is valued for HQ coordination.

Qualifications

• 3+ years of after-sales service or technical support experience in the new energy, electrical, or energy storage industries.
• Degree in electrical engineering, automation, new energy, mechatronics, or a related field preferred (open to other backgrounds).
• Solid understanding of energy storage products and electrical fundamentals; hands-on experience in repair, installation, and commissioning of energy storage or electrical equipment is a plus.
• UK-based with the right to work in the UK; willing to travel to customer sites across the UK and Europe.
• Strong communication and learning skills, a customer-first mindset, proactive problem-solving on site, and the ability to work under pressure.
• Fluent in Chinese (Mandarin) for smooth coordination with the HQ team in China.

Responsibilities

• Manage spare parts ops for UK/Europe — inbound, stocktaking and ledger control.
• Provide remote and on-site technical support: install and commission energy storage systems.
• Plan and deliver customer training on product operation and maintenance.
• Build and run localized after-sales communication channels; improve workflows.
• Act as main technical contact for customers in UK/Europe; coordinate via email/WhatsApp/tickets.
• Bridge field issues with HQ in China to resolve complex problems.

Skills

After-sales support

Technical support

Electrical engineering

Energy storage systems

On-site installation

Remote troubleshooting

Customer communication

Education

Electrical engineering degree

Tools

Field service tools

Job description

• Manage spare parts operations for the UK/European region - inbound, stocktaking, and ledger control - ensuring parts are always available and delivered where they're needed;
• Provide remote and on-site technical support: install and commission energy storage systems in standard and non-standard scenarios, troubleshoot faults, coordinate equipment repairs, and document findings in clear fault analysis reports;
• Plan and deliver customer training on product operation and maintenance, turning technical knowledge into practical skills for local teams and customers;
• Build and run localized after-sales communication channels; propose practical communication and technical solutions for field issues and continuously improve after-sales workflows;
• Act as the main technical contact for customers in the UK and Europe, communicating in English via email, WhatsApp, and ticketing systems for daily coordination, technical discussions, and solution proposals;
• Bridge field issues with our HQ team in China - escape and jointly resolve complex problems to ensure customer satisfaction.

What We're Looking For:

• 3+ years of after-sales service or technical support experience in the new energy, electrical, or energy storage industries;
• Degree in electrical engineering, automation, new energy, mechatronics, or a related field preferred (open to other backgrounds);
• Solid understanding of energy storage products and electrical fundamentals; hands-on experience in repair, installation, and commissioning of energy storage or electrical equipment is a plus;
• UK-based with the right to work in the UK; willing to travel to customer sites across the UK and Europe;
• Strong communication and learning skills, a customer-first mindset, proactive problem-solving on site, and the ability to work under pressure;
• Fluent in Chinese (Mandarin) for smooth coordination with the HQ team in China.