BESS Technical Support Engineer / Specialist

Solax Power UK; Sheffield; On-site; GBP 60,000 - 80,000; Full time

Job summary

A company in the clean energy sector located in Sheffield is seeking a BESS Technical Support Engineer. You will provide pre-sales and post-sales support for Battery Energy Storage Systems, ensuring optimal customer satisfaction and system performance. The ideal candidate has a Bachelor's degree in Electrical Engineering and at least 3 years of technical support experience. This position offers a competitive salary and opportunities for professional growth in the evolving energy industry.

Benefits

Competitive compensation

Opportunity to work with cutting-edge technologies

Professional growth and continuous learning

Qualifications

• Minimum 3 years of experience in technical support for BESS or power systems.
• Strong understanding of Li-ion battery technology and inverter operations.
• Ability to read and interpret electrical schematics and control diagrams.

Responsibilities

• Provide remote and on-site technical support for BESS solutions.
• Support sales and application engineering with system configuration.
• Conduct technical training and prepare documentation.

Skills

Technical support experience

Problem solving

Communication skills in English

Education

Bachelor's in Electrical Engineering or related field

Tools

EMS

BMS

SCADA systems

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.