Piper Maddox are working with a fast-growing renewable energy IPP specialising in grid-scale battery storage projects across the UK and internationally. Their mission is to enable a smarter, cleaner energy future through innovative technology, expert asset management, and high-performing energy storage solutions. They boast an operational portfolio of over 500MW across the UK and plan to expand into Europe. As a Battery Energy Storage System Engineer, you’ll play a key role in delivering technical excellence across a growing portfolio of operational and new-build BESS assets. You’ll ensure the optimal performance, reliability, and safety of grid-scale battery systems while supporting project, commercial, and O&M teams. Key Responsibilities: · Act as the technical authority for BESS assets, Power Plant Controllers (PPC) and SCADA systems · Provide day-to-day technical support for operational BESS assets across the portfolio · Troubleshoot issues with suppliers and O&M partners, driving quick and effective resolutions · Monitor asset performance and analyse system data to identify trends and improvements · Conduct fault diagnosis and root cause analysis for asset and grid events · Assist with supplier engagement, technical specifications, and design reviews · Support project teams during BESS and SCADA commissioning activities · Ensure compliance with gri...