Job Description

Your mission

Position, Location, Department 
Full-time | Madrid, Spain | Technical Europe 
 
 
The Technical Presales Manager ESS is responsible for providing technical pre-sales support for energy storage system solutions across the South-West Europe region. The role supports Sales teams by delivering technical expertise, solution design, bid support, and customer-facing presentations for utility-scale and residential ESS projects.  
 
Reporting line: Head of Technical Europe 
 
Major Responsibilities 

• 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, technicalpreparation, and cost-related inputs for quotations
• Participate in tender and bidding processes; prepare and review technical bid documents in English and Chinese
• Support the drafting and review of technical specifications and technical agreements for ESS projects
• Act as a technical interface between Sales, HQ technical teams, product management, and customers
• Deliver internal and external technical training sessions for ESS products and solutions
• Support technical evaluations of customer requirements, grid standards, and project feasibility
• Contribute to continuous improvement of technical documentation, solution templates, and pre-sales processes
• Perform additional technical tasks or project support as assigned by leadership

Performance Indicators 

• Bid win support rate / technical contribution to successful tenders
• Turnaround time for technical proposals and configurations
• Number and quality of technical trainings delivered
• Reduction in technical clarification cycles or bid revisions
• Stakeholder feedback from Sales and customers

Your profile

Required Qualifications 

• Bachelor’s degree or above in Electrical Engineering, Energy Engineering, Power Systems, or a related technical field
• Proven experience in ESS technical support or pre-sales, preferably with utility-scale and/or residential energy storage systems
• Strong understanding of the European energy storage market, grid requirements, and customer expectations
• Strong technicalexpertisein energy storage systems and solution design
• Experience supporting large-scale ESS projects is strongly preferred
• English and Spanish C1 (professional working proficiency)

Skills & Competencies 

• Excellent communication and presentation skills, including creation and delivery of PPTs
• Ability to explain complex technical concepts to non-technical audiences
• Structured, detail-oriented, and solution-focused working style
• Strong cross-functional collaboration skills
• Ability to work independently and manage multiple priorities 

Travel Requirement 

• Regular travel across Spain/ Portugal as required
• Occasional travel within Europe