Your mission
Position, Location, Department
Full-time | Madrid, Spain | Technical Europe

Position Summary
The Technical Presales Manager ESS is responsible for providing technical pre-sales support for energy storage system solutions across the region. The role supports Sales teams by delivering technical expertise, solution design, bid support, and customer-facing presentations for utility-scale and C&I; ESS projects.
In addition, the role contributes to product management activities by supporting product certifications, monitoring market and technology developments, and ensuring technical compatibility of energy storage solutions within the European market environment.

Reporting Line
Reports to the Head of Technical Europe

Major Responsibilities
Technical Presales Support
- Provide technical pre-sales support for ESS products, including customer communication, technical clarification, and solution presentations in collaboration with Sales
- Design and configure ESS solutions, including product selection, system sizing, technical preparation, yield simulations,



and cost-related inputs for quotations
- Participate in tender and bidding processes; prepare and review technical bid documents
- Support technical contract negotiations and drafting of technical specifications and technical agreements for ESS projects
- Provide daily technical support to customers and internal Sales teams on ESS product and system-related topics
- Support technical evaluations of customer requirements, grid standards, and project feasibility
- Act as a technical interface between Sales, HQ technical teams, and customers to ensure accurate and timely technical communication
- Deliver internal and external technical training sessions for ESS products and solutions, including system simulations and technical presentations
- Represent the company in technical meetings, customer discussions, and project-related communications as
- Perform additional technical tasks or project support as assig

📌 Technical Presales Manager BESS – Spain/Portugal (Madrid)
🏢 Ja Solar
📍 Madrid