BESS Technical Support Engineer / Specialist

Solax Power UK; Liverpool; On-site; GBP 40,000 - 60,000; Full time

Job summary

A global provider of energy solutions in Liverpool is seeking a BESS Technical Support Engineer. The ideal candidate will provide both pre-sales and post-sales technical support for battery energy storage solutions. They should possess a Bachelor's degree in Electrical Engineering and a minimum of 3 years of relevant experience. This role offers competitive compensation and opportunities for professional growth within the clean energy industry.

Benefits

Competitive compensation and benefits package

Opportunity to work with cutting-edge technologies

Professional growth and continuous learning

Qualifications

• Bachelor’s degree or above in Electrical Engineering, Power Systems, Mechatronics, or related field.
• Minimum 3 years experience in technical support for BESS or power systems.
• Strong understanding of communication protocols (Modbus, CAN, TCP/IP).

Responsibilities

• Provide remote and on-site technical support for BESS solutions.
• Support sales and application engineering teams with technical documentation.
• Conduct technical training for customers and internal teams.

Skills

Technical support for BESS

Problem solving

Strong communication in English

Understanding of Li-ion battery technology

Education

Bachelor’s degree in Electrical Engineering

Tools

SCADA systems

BMS

EMS

Job description

About SolaX Power :

Established in 2012, SolaX Power is dedicated to helping our customers transform their homes and businesses to clean energy and reducing the reliance on fossil fuels. SolaX Power is a leading provider of sustainable solar and energy storage solutions, with a strong presence in Europe, Asia, and Africa. Now we have more than 2800 employees globally, and we continue hiring talents to join us. At SolaX, a global organization, your career can reach its full potential.

Position Overview

The BESS Technical Support Engineer / Specialist is responsible for providing pre-sales and post-sales technical support for Battery Energy Storage Systems (BESS), ensuring optimal performance and customer satisfaction. This role requires a strong understanding of energy storage technology, system integration, and field operations.

Key Responsibilities

Technical Support & Troubleshooting

• Provide remote and on-site technical support for commissioning, operation, and maintenance of BESS solutions.
• Diagnose and resolve system faults related to battery systems, inverters, BMS / EMS, and communication networks.
• Work closely with HQ R&D and product teams to upscale and resolve complex technical issues.
• Guide customers and service partners through system testing, firmware upgrades, and troubleshooting procedures.

Pre-Sales & Solution Support

• Support the sales and application engineering teams with technical documentation, system configuration, and project design reviews.
• Participate in customer meetings and technical discussions to explain system architecture and product functionalities.
• Review project drawings, single-line diagrams, and technical specifications to ensure compliance with standards.

Training & Documentation

• Conduct technical training for customers, EPCs, and internal service teams.
• Prepare and update user manuals, installation guides, FAQs, and troubleshooting checklists.
• Maintain accurate service reports, failure analyses, and system performance records.

Quality & Feedback

• Monitor field performance and provide feedback to product and R&D teams for continuous improvement.
• Support warranty claim evaluations and root-cause analysis of returned components.
• Contribute to service knowledge base development and standard operating procedures (SOPs).

Qualifications and Requirements

• Bachelor’s degree or above in Electrical Engineering, Power Systems, Mechatronics, or related field.
• Minimum 3 years of experience in technical support, commissioning, or service for BESS, solar, or power systems.
• Strong understanding of Li-ion battery technology, inverter operation, communication protocols (Modbus, CAN, TCP / IP), and power electronics.
• Hands-on experience with EMS, BMS, SCADA systems, or grid integration is highly desirable.
• Ability to read and interpret electrical schematics and control diagrams.
• Excellent problem solving, analytical, and customer service skills.
• Strong communication skills in English (both written and spoken); additional languages are a plus.
• Willingness to travel domestically and internationally for site support and training.

What We Offer

• Competitive compensation and benefits package.
• Opportunity to work with cutting-edge energy storage technologies.
• International exposure and cross-functional collaboration.
• Professional growth and continuous learning in a fast-evolving clean energy industry.