Job Summary: We are seeking a Data Analyst to support decision-making and digital transformation projects, working with data from various systems. Key Responsibilities: 1. Design and implementation of data integration processes (ETL / ELT) 2. Building and maintenance of data lakes and data warehouses 3. Development of data processing and analysis with Python We are looking for a **Data Analyst** to join our team on a **full-time basis**. The selected candidate will support organizational decision-making and digital transformation projects, working with data sourced from various systems and services. **Main Responsibilities** The responsibilities of this position include, but are not limited to: * Designing and implementing data integration processes (ETL / ELT) from internal and external systems (ERP, CRM, municipal applications, sensors, Smart City services, etc.). * Building and maintaining **data lakes** and/or **data warehouses** using tools such as Pentaho, Talend, Airbyte, dbt, or equivalents. * Defining and optimizing **data models in SQL environments**, including **spatial databases (PostGIS)**. * Developing data processing and analysis workflows using **Python** or similar tools. * Creating and maintaining **reports and dashboards** with **Power BI** and other visualization tools such as Grafana or Kibana. * Collaborating on the management of the **data catalog** and applying basic data quality and governance criteria. * Working jointly with technical and functional teams to identify information needs and translate them into useful indicators. * Supporting data-driven projects, such as automation, performance analysis, KPI tracking, and impact reporting. **Requirements:** * University bachelor’s degree or equivalent in Computer Engineering, Mathematics, Data Science, Statistics, or Geomatics Engineering. If the degree was obtained abroad, official recognition by the Spanish Ministry of Education and Science is required. * Proof of the minimum required professional experience, if applicable: Minimum 3 years in data engineering, business intelligence, or data analysis. (company certificate or employment contracts) **Application** Interested candidates must apply via our website: **www.cemssa.cat** \*Section **Job Offers** (review the call’s terms and conditions) After reviewing the terms and conditions, required documentation must be sent to the email address: **convocatoria@cemssa.cat** Sueldo: 38\.000,00€ al año Ubicación del trabajo: Empleo presencial