ESS Key Account Manager - Spain

Your mission

¡Hola y bienvenido/a a Sungrow! Join our growing Energy Storage Systems team and help shape the utility-scale energy transition across Spain and Portugal. As our ESS Key Account Manager, you will turn high-potential BESS opportunities into successful, profitable projects.

• Own the commercial strategy, sales pipeline, targets, and customer development for utility-scale ESS across Spain and Portugal.
• Build trusted senior-level relationships with EPCs, system integrators, IPPs, developers, investors, utilities, technical advisers, and strategic partners.
• Lead complex sales cycles from opportunity qualification and technical-commercial positioning through negotiation, contract award, and project handover.
• Partner with engineering, product management, service, legal, finance, and global teams to deliver competitive, bankable customer proposals.
• Translate customer feedback, tender activity, market requirements, and competitor insights into practical portfolio and pricing recommendations.
• Maintain accurate forecasts, account plans, market reports, and CRM data while representing Sungrow at customer workshops, industry events, and commercial negotiations.

Your profile

Sounds exciting? To thrive in this role, you will combine commercial drive with strong technical understanding and a collaborative, customer-first mindset.

• Hold a bachelor’s or master’s degree in electrical engineering, energy engineering, business, or a comparable field with strong technical exposure.
• Bring at least five years of experience selling utility-scale BESS, renewable-energy solutions, power systems, EPC services, or project-development solutions.
• Have a proven track record of winning and managing complex, high-value B2B opportunities in Spain and/or Portugal.
• Understand utility-scale ESS applications, battery systems, grid integration, EPC delivery models, and energy-market business cases.
• Confidently assess deal economics, manage commercial risk, negotiate contracts, and balance revenue growth with sustainable margins.
• Communicate in Spanish at C1 level and English at B2 level or above; Portuguese at B2 level or above is strongly preferred, and you are comfortable travelling regularly across Spain, Portugal, and occasionally internationally.

Why us?

Join Sungrow’s ESS business at a pivotal moment for the Iberian energy market. You will work with a highly international, expert team that combines commercial ambition with deep technical knowledge of solar, storage, and grid solutions. This is an opportunity to influence how utility-scale battery storage is positioned, sold, and delivered across Spain and Portugal, while building long-term partnerships that accelerate a more resilient energy system.

About us

We are a green tech company with young creative minds.
We are fighting every day to make our mission happen –  Clean Power for All !

With 870+GW of clean power presently installed worldwide, we are on the road to success!

Founded in 1997 by University Professor Cao Renxian, Sungrow is a leader in the research and development of solar inverters with the largest dedicated R&D team in the industry and a broad product portfolio offering PV inverter solutions and energy storage systems for utility-scale, commercial & industrial, and residential applications, as well as internationally recognized floating PV plant solutions, NEV driving solutions, EV charging solutions and renewable hydrogen production systems.

Want to know more? Check out what working with us is like!