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- Tasks: Install and commission battery energy storage systems while troubleshooting and resolving issues.
- Company: Join a global leader in renewable energy and energy storage solutions.
- Benefits: Competitive rate, benefits, and opportunities for career progression.
- Why this job: Be part of the energy transition and work on innovative projects.
- Qualifications: 2+ years in BESS commissioning and strong electrical engineering background required.
- Other info: Dynamic site-based role with travel opportunities across multiple locations.
Role: Commissioning Engineer – Battery Energy Storage (BESS) Location: North London/Essex – Site based Type: Contract Rate: Up to £550 p/d MDE Group are working with a global leader in renewable energy and energy storage solutions to support the growth of their UK delivery team. We are looking for Commissioning Engineers with experience in Battery Energy Storage Systems (BESS) to support installation, commissioning, and troubleshooting activities across multiple project sites. Key Responsibilities Carry out installation and commissioning of battery energy storage systems in line with technical requirements Perform testing, debugging, and fault finding on BESS equipment (including inverters, PCS, and associated systems) Support site planning and coordination of commissioning activities Troubleshoot and resolve system issues to restore performance efficiently Assist with maintenance and technical upgrades of energy storage systems Work closely with internal teams and international engineering support functions Requirements ~2+ years’ experience in BESS commissioning or similar energy storage projects ~ Strong background in electrical engineering, HV/LV systems, or power electronics ~ Experience with on-site commissioning, testing, and fault finding ~ Relevant certifications such as CSCS, IOSH, NEBOSH, SMSTS, or equivalent ~ HV/LV authorisation or electrical qualifications highly desirable ~ Strong communication skills and ability to work in a site-based, hands-on environment ~ Proficient in standard office/software tools ~ Willingness to travel and work on projects across multiple locations Desirable Experience working with battery OEMs or inverter systems Exposure to international teams or projects What’s on Offer Opportunity to work on cutting-edge energy storage projects Join a fast-growing sector at the forefront of the energy transition Competitive rate + benefits + career progression
Contact Detail:
MDE UK Recruiting Team
How to prepare for a job interview at MDE UK
✨Know Your BESS Inside Out
Make sure you brush up on your knowledge of Battery Energy Storage Systems. Be ready to discuss your previous experience with installation, commissioning, and troubleshooting. Highlight specific projects you've worked on and the challenges you faced.
✨Show Off Your Technical Skills
Prepare to demonstrate your understanding of electrical engineering principles, especially HV/LV systems and power electronics. Bring examples of how you've successfully tested and debugged BESS equipment in the past.
✨Communicate Clearly
Since strong communication skills are a must, practice explaining complex technical concepts in simple terms. Be prepared to discuss how you’ve collaborated with teams and coordinated site activities effectively.
✨Be Ready for Problem-Solving
Expect scenario-based questions where you'll need to troubleshoot system issues. Think of specific instances where you resolved performance problems efficiently and be ready to share those stories.