We are a global company, a leader in the development of regenerative infrastructures that generate a positive impact on society. Our team, comprised of more than 65,000 professionals operating across more than 40 countries on five continents, contributes to our mission of designing a better planet. We seek individuals who want to make a difference, promote sustainable development, and find solutions to the world’s greatest challenges—including climate change, overpopulation, and water scarcity. Join us in the pursuit of solutions to achieve a sustainable future. ACCIONA, within its Infrastructure division, requires a Data Engineer for its Madrid Campus. Job Description Mission: Ensure the availability, quality, integration, and efficient utilization of corporate data by designing and maintaining ingestion, transformation, and modeling architectures and processes that enable the company to make decisions based on reliable, accessible, and consistent information. Responsibilities:* Interact with various business areas to understand their needs and propose solutions in the form of reports and dashboards. * Design, implement, and test ETL processes, primarily using Microsoft tools (Azure Data Factory, SSIS). * Support coordination of projects and tasks carried out by both internal teams and external vendors. * Participate in developing a corporate-wide methodology for automated and consistent reporting. * Identify deficiencies and propose solutions to improve data quality and availability. * Collaborate closely with internal and external teams (ICT department and functional areas) to ensure data quality and availability. * Actively collaborate with the Data Governance team. * Analyze internal data sources to align them with corporate strategy. * Manage version control and schemas using versioning and deployment systems such as Azure DevOps. Candidate Requirements Education:* University degree in: Computer Engineering, Telecommunications Engineering, Computer Science, Mathematics, or Statistics. Competencies:* The following will be considered advantageous: * Experience in Data Warehouse and Data Mart modeling, ensuring data availability and consistency from multiple sources. * Experience in ETL processes using tools such as SSIS, Python, Apache Airflow, Glue, or Spark for data extraction, cleansing, and transformation. * In-depth experience with Microsoft Power BI (modeling, DAX, visualizations, and deployments). * Advanced experience with Microsoft SQL Server, including: * Advanced SQL (query optimization, stored procedures, indexing). * Database and complex query performance optimization. * Solid knowledge of data architecture (normalization, partitioning, design). * Knowledge and experience with Azure Data Factory and Microsoft Azure cloud environments. * Familiarity with Azure DevOps for version control, deployments, and CI/CD processes. * Prior experience with SSIS-based ETLs and data integration projects. * Knowledge of Data Warehousing and data design methodologies. * Experience with Microsoft Fabric (OneLake, Dataflows Gen2, Notebooks, Data Pipelines). * Knowledge of Power Apps and Power Automate. * Proficiency in Python or other scripting languages for automation, web scraping, or developing small applications. * Knowledge of DevOps / CI/CD pipelines (GitHub, Terraform, Jenkins…). * Required technical skills: * SQL Server * Power BI * Azure Data Factory * SSIS-based ETLs * Experience with Azure Services * Azure DevOps * Data Warehousing * Personal competencies: * Ability to work collaboratively in teams and across multiple departments. * Proactivity, agility, and problem-solving orientation. * Flexibility to adapt to changing and dynamic environments. * Organized, responsible, cooperative, and versatile individual. * Practical and solution-oriented decision-making. * Eagerness to learn, innovate, and continuously improve. * English level B2 *We are a company that values diversity as a source of talent, and therefore we strive to foster an inclusive environment promoting respect, belonging, and commitment so that everyone can participate on equal terms. We invite all individuals to apply regardless of origin, circumstances, background, or personal condition. ACCIONA has received the Top Employer certification for 2021, 2022, 2023, 2024, and 2025—recognizing the Company as one of the best places to work in Spain.*