BESS Project Engineer: Energy Storage & Grid Compliance

ERSG Ltd; Greater London; On-site; GBP 60,000 - 90,000; Full time

Job summary

ERSG Ltd in London is hiring a BESS-focused Project Engineer to lead technical developments in the Battery Energy Storage sector and help deliver a fast-growing portfolio of grid-connected projects across the UK.

You will coordinate with EPCs and equipment providers, oversee FAT/SAT tests, ensure grid-compliant delivery, manage contractor relationships, and support project development from due diligence through commissioning.

Qualifications

• Minimum 3 years of experience in Battery Energy Storage systems (BESS).
• Experience coordinating with EPCs and equipment providers is preferred.
• Familiarity with FAT/SAT processes and grid-compliant project delivery advantageous.

Responsibilities

• Lead on technical developments in the Battery industry, supporting internal and external stakeholders.
• Identify and select BESS, PCS and EMS providers.
• Support project development stages from a technical perspective, including acquisition and JVs.
• Ensure FAT/SAT tests are completed on projects.
• Ensure delivery of projects in accordance with grid compliance.

Skills

BESS knowledge

Project engineering

Stakeholder management

Contractor management

Grid compliance

Job description

ERSG Ltd in London is hiring a BESS-focused Project Engineer to lead technical developments in the Battery Energy Storage sector and help deliver a fast-growing portfolio of grid-connected projects across the UK.

You will coordinate with EPCs and equipment providers, oversee FAT/SAT tests, ensure grid-compliant delivery, manage contractor relationships, and support project development from due diligence through commissioning.