Join Our Team We are currently recruiting for a/an BESS Procurement Specialist to join our team and contribute to key projects in a dynamic and collaborative environment. Overview Supports the strategic sourcing, supplier management and contracting of battery energy storage system (BESS) components for Atlantica's utility-scale projects in Europe and LATAM, ensuring high-quality, competitively priced supply. Works under the direction of the BESS Category Manager to execute category strategy, run sourcing events, analyze bids and track supplier performance, in close collaboration with Engineering, Project Management, Construction, Legal, Finance and Commercial teams. Key Responsabilities
• Category Strategy & Market Intelligence
• Support the development and execution of the BESS category strategy for Europe and LATAM (cells, packs, containers, PCS, transformers, EMS) and related electrical equipment, leveraging Atlantica's aggregated demand to maximize negotiating leverage and value.
• Track market and technology trends, cost drivers, supplier pricing and availability, and the general manufacturing footprint, flagging price volatility exposure to the Category Manager.
• Maintain working knowledge of the trade and regulatory framework relevant to Europe and LATAM (EU Batteries Regulation, import duties and tariffs, country-of-origin and local-content requirements) and its impact on sourcing options.
• Help identify supply chain risks and prepare mitigation and contingency plans.
• Strategic Sourcing & Contracting
• Support end-to-end sourcing (RFI/RFQ/RFP, bid analysis, supplier selection and negotiation), preparing bid comparisons that assess best overall value: price, technical performance and risk (quality, delivery,



reliability, financial stability, HSE, compliance).
• With Legal and Risk, support the drafting, negotiation and administration of framework and master supply agreements, long-term service agreements, purchase contracts and purchase orders.
• Track procurement timelines, demand forecasts and long-lead equipment to align with project schedules.
• Supplier Relationship & Performance Management
• Maintain day-to-day relationships with BESS suppliers, coordinating with the Category Manager on strategic matters.
• Support supplier performance and business reviews and corrective action plans, ensuring quality, safety, compliance, ESG and code-of-conduct standards are met.
• Cross-Functional Collaboration
• Coordinate with Engineering, EPC, Project Development, Finance and Construction to align sourcing with technical and commercial requirements.
• Support cost estimation, budgeting and bill-of-materials development for bids and active projects.
• Analytics & Reporting
• Prepare the analyses supporting BESS sourcing decisions (including aggregated vs. disaggregated sourcing): total cost of ownership, technical integration and risk, supplier capability, warranty and performance guarantees, and cost and risk sensitivity.
• Support to maintain category KPIs, cost benchmarks,



forecasts and dashboards; conduct cost breakdown analyses for BESS components, BOS and logistics, with variances shown in absolute value and percentage.
• Prepare materials for the Category Manager's sourcing strategy and supplier performance updates to senior leadership. Education
• Bachelor's degree in Supply Chain, Engineering, Business or a related field (Master's degree is a plus). Experience & Technical Skills
• Minimum 2 years of experience in procurement, sourcing, supply chain or related technical/commercial roles, preferably in renewable energy or energy storage.
• Exposure to a multinational environment working with multifunctional teams across region.
• Working knowledge of BESS supply chains, technologies and cost drivers; ability to read technical specifications and engineering documents.
• Basic knowledge of European and/or LATAM regulatory requirements, industry standards and best practices.
• Willingness to travel to suppliers, manufacturing plants and sites, and to attend industry events.
• Proficiency in Spanish and English. Key Competencies
• Strong analytical skills, with advanced Excel for bid comparisons and pricing models; good negotiation support, presentation and contract administration skills.
• Good understanding of commercial analysis and risk assessment.
• Collaborative, with strong communication skills and the ability to work across functional teams and learn quickly. Benefits
• Competitive remuneration package.
• Growth opportunities in a promising and booming industry.
• A highly committed, dynamic, and challenging environment.
• International development opportunities.

📌 BESS Procurement Specialist (Sevilla)
🏢 Atlantica Sustainable Infrastructure
📍 Sevilla