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

JA Solar • Full-time • Madrid • 3d ago

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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 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
Occasional travel within Europe

About us

JA Solar was founded in 2005. As a photovoltaic power generation solution platform we continue to advance the "One Body, Two Wings" strategy. The "One Body" refers to our main industry chain integrating silicon wafers, cells, and modules, while the "Two Wings" refer to our PV auxiliary materials and equipment industry and PV+ application scenario solutions. In 2019, JA Solar was officially listed on the A-share market (stock symbol: "JA Solar"; stock code: 002459). With continuous technological innovation, stable financial strengths, and a well-developed global sales and service network, JA Solar has been widely recognized by domestic and international customers and has been listed in the "Fortune 500 China 500" and "Global Top 500 New Energy Enterprises" for multiple consecutive years.