Senior Key Account Manager (BESS)

Description

As Senior Key Account Manager – BESS, you will lead the development and expansion of LONGi’s battery energy storage business across Spain and Iberia. You will own strategic utility-scale customer relationships, drive BESS project sales from early-stage opportunity through execution, and position LONGi as a trusted partner for large-scale energy storage solutions. Your role is pivotal in building LONGi’s footprint in the fast-growing storage market and enabling energy transition through commercially successful projects.

• Manage customer relationships from pre-sales, technical clarification, contracting, and order execution to after-sales support.
• Own commercial negotiations including pricing, contract terms, and framework agreements for battery storage projects.
• Contribute to regional market-entry strategies, go-to-market planning and channel development for energy storage.
• Identify, qualify and secure new BESS customers including utilities, independent power producers (IPPs), developers, EPCs, and energy investors.
• Ensure contract execution, payment discipline, and customer satisfaction.
• Represent LONGi at industry events, energy conferences, and customer meetings to enhance brand presence in the storage segment.
• Identify cross-selling and up-selling opportunities linking battery storage with PV and integrated energy solutions where relevant.
• Monitor market trends, competitors and policy developments in Spain and Iberia energy storage markets.
• Work closely with internal stakeholders including product management, engineering, legal, finance, logistics and service teams to support successful project delivery.
• Drive project pipeline development from lead generation through contract closure.
• Implement monthly, quarterly and annual sales targets for battery storage solutions.
• Support internal feedback loops, sharing market intelligence to inform product development and pricing strategy.
• Act as the primary interface between LONGi and its strategic BESS customers.
• Develop and execute the sales strategy for utility-scale battery storage systems (BESS) in Spain and Iberia Region.
• Coordinate technical proposals and commercial alignment with solution architects and engineering teams.
• Build and expand LONGi’s network of strategic partners and key accounts within the energy storage ecosystem.
• Develop long-term account strategies to grow share of wallet and customer lifetime value.

Requirements

• Strong business acumen and value-selling approach.
• Demonstrated success selling battery storage systems, hybrid projects or energy infrastructure solutions is a strong advantage.
• Ability to build and execute account development strategies.
• Deep understanding of utility-scale energy storage use cases (e.g. grid stability, peak shaving, frequency regulation, arbitrage).
• Proven track record managing complex commercial negotiations and closing large contracts.
• Excellent stakeholder management and relationship-building skills.
• Minimum 3+ years’ experience in key account management, business development, or sales within energy storage (especially BESS) specific to utility segment within Spain and Iberia
• Willingness to travel within the region.
• Fluency in Spanish and English (written and spoken).
• Experience working with utilities, IPPs, EPCs or energy developers is highly desirable.

Benefits

• The chance to work in a global team with international vision
• Opportunity to develop your knowledge, experience and grow in the PV sector with the leading technology company
• A competitive salary with a success-based variable, additional benefits, and other attractive perks

Training + Development

Interview process

Visa Sponsorship

Security clearance