Technical Presales Manager BESS – Spain/Portugal (d/f/m)

Skip to main contentEnglishEnglishBack to all jobsTechnical Presales Manager BESS – Spain/Portugal (d/f/m)JA Solar - MadridFull-timePermanent employeeApply for this jobYour missionPosition, 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 SalesDesign and configure ESS solutions, including product selection, system sizing, technical preparation, yield simulations, and cost-related inputs for quotationsParticipate in tender and bidding processes; prepare and review technical bid documentsSupport technical contract negotiations and drafting of technical specifications and technical agreements for ESS projectsProvide daily technical support to customers and internal Sales teams on ESS product and system-related topicsSupport technical evaluations of customer requirements, grid standards, and project feasibilityAct as a technical interface between Sales, HQ technical teams, and customers to ensure accurate and timely technical communicationDeliver internal and external technical training sessions for ESS products and solutions, including system simulations and technical presentationsRepresent the company in technical meetings, customer discussions, and project-related communications as requiredPerform additional technical tasks or project support as assigned by leadershipProduct Management Support product certification activities in relevant European markets, including coordination of technical documentation and compliance requirementsMonitor customer requirements, market developments, and technology trends related to energy storage systems and provide structured feedback to product management and leadershipCollaborate with component manufacturers and internal teams to ensure compatibility of ESS systems with external components and system interfacesMaintain awareness of competitor products, product roadmaps, and technical developments to support product positioning and technical decision-makingRepresent the company in technical product presentations, webinars, trade shows, and industry events asrequiredSupport the continuous improvement of technical documentation, solution templates, and product-related processesPerformance Indicators Bid win support rate / technical contribution to successful tendersTurnaround time for technical proposals and configurationsNumber and quality of technical trainings deliveredReduction in technical clarification cycles or bid revisionsTechnical accuracy and compliance of system configurations and documentationStakeholder feedback from Sales and customersCustomer satisfaction with technical support and solution qualityYour profileRequired Qualifications Bachelor’s degree or above in Electrical Engineering, Energy Engineering, Physics, Power Systems, or a related technical fieldMinimum 5 years of experience in the PV and/or energy storage industryProven experience in ESS technical support, system design, or pre-sales engineeringStrong understanding of energy storage systems, grid requirements, and customer technical expectationsExperience supporting utility-scale or commercial energy storage projects is strongly preferredFluency in...