BESS Engineer

Battery Expert – BESS for Charging Infrastructure

Earthstream are partnered with an exciting EV charging business that is rapidly expanding across Europe and looking for dedicated and experienced BESS Engineers to join the team.

As a BESS Expert, you will play a key role in scaling battery-backed charging infrastructure across France. Batteries are at the heart of their expansion plans, enabling grid-independent deployment, optimized energy management, and new revenue opportunities in the energy market.

You will work across design, installation, commissioning, operation, and maintenance, and collaborate closely with teams in Industry, Energy, and Network Operations.

Key Responsibilities

• Develop and implement a regional energy strategy integrating BESS
• Evaluate and optimize technical designs for performance, reliability, and cost efficiency
• Act as the primary interface to grid operators, external partners, and internal stakeholders
• Oversee battery system rollout and ensure operational excellence in the French region
• Provide electrical engineering expertise to teams across Europe

Skills and experience:

• Degree in Electrical Engineering or equivalent technical background
• 5+ years hands-on experience with battery systems (installation, commissioning, operations, compliance)
• Strong problem-solving mindset with a passion for innovation
• Autonomous team player capable of coordinating cross-border initiatives
• Comfortable working in fast-paced, R&D-driven environments
• Fluent in French and English