BESS Engineer

Spencer Ogden; Bristol; Hybrid; GBP 45,000 - 65,000; Full time

Job summary

A leading energy solutions company is seeking a Battery Energy Storage System (BESS) Engineer in Bristol. This position involves providing technical support for the development, operation, and optimisation of energy storage assets. Responsibilities include troubleshooting issues, serving as a technical expert for BESS and SCADA systems, and collaborating with cross-functional teams. Ideal candidates possess knowledge in renewable energy projects and SCADA systems, alongside strong communication skills. This role may offer remote working options.

Qualifications

• Demonstrable experience in utilities or grid-scale energy storage.
• Strong understanding of electrical design for energy storage.
• Experience with delivery and engineering of renewable projects.

Responsibilities

• Serve as technical expert for BESS and SCADA systems.
• Troubleshoot issues with suppliers and partners.
• Monitor BESS performance and identify optimisation opportunities.

Skills

Experience in utilities, renewable energy, or grid-scale energy storage

Strong understanding of electrical design

Experience in delivery, engineering, or O&M of renewable energy projects

In-depth knowledge of BESS technologies

Familiarity with electrical and energy storage codes and standards

Experience with industrial control systems and SCADA

Ability to interpret AutoCAD drawings

Fluent in written and spoken English

Comfortable working remotely

Job description

About the Role

We are seeking a Battery Energy Storage System (BESS) Engineer to support the development, operation, and optimisation of grid-scale energy storage assets. This role involves acting as a technical specialist for BESS, SCADA and Power Plant Controller (PPC) systems, ensuring our assets operate safely, efficiently, and in line with project and grid requirements.

You will collaborate closely with project teams, operations & maintenance partners, commercial teams, and external suppliers to deliver robust technical solutions throughout the asset lifecycle.

Key Responsibilities

• Serve as the technical expert for BESS, PPC and SCADA systems across operational assets.
• Provide day-to-day technical support to operations, commercial, and trading teams.
• Troubleshoot issues with suppliers, SCADA partners, and O&M providers, ensuring timely resolution.
• Lead or support fault diagnosis and root-cause analysis activities.
• Monitor BESS performance via SCADA, RTM, and other platforms, identifying trends and optimisation opportunities.
• Contribute to strategies that improve asset availability, efficiency, and lifecycle performance.
• Support battery degradation modelling, condition assessments, and predictive maintenance planning.
• Analyse technical and commercial performance data to support decision-making and warranty management.
• Produce regular performance reports, KPIs, and dashboards for internal and external stakeholders.
• Engage with suppliers and integrators to review technical specifications and system functionality.
• Support project engineering reviews, design checks, and commissioning activities for BESS and SCADA systems.
• Ensure designs meet relevant grid, regulatory, and technical standards.
• Assist with technical specifications and supplier selection processes when required.

Skills & Experience

• Demonstrable experience in utilities, renewable energy, or grid-scale energy storage.
• Strong understanding of electrical design for renewable energy, energy storage, or HV substation integration.
• Experience in the delivery, engineering, or O&M of renewable or energy storage projects.
• In-depth knowledge of BESS technologies, including lithium-ion systems, PCS, transformers, and installation / commissioning processes.
• Familiarity with relevant electrical and energy storage codes and standards.
• Experience with industrial control systems and SCADA, including PPCs.
• Ability to interpret and work with AutoCAD or AutoCAD Electrical drawings.
• Fluent in written and spoken English; additional languages beneficial.
• Comfortable working remotely and within cross-functional teams.