GIS Specialist (PostGIS + QGIS), On-site

GIS Specialist (PostGIS + QGIS) Are you passionate about working with geospatial data and contributing to real-impact projects? At NexTReT, we are looking to hire a GIS Programmer for a project focused on managing and exploiting geospatial information for a key public-sector client. You will join a highly specialized environment where you’ll work with enterprise GIS technologies, spatial databases, and geographic data integration processes that support critical operational decision-making. We seek a candidate with experience in geospatial data management and processing, to join our team in supporting the evolution and maintenance of the organization’s geographic information systems. The selected candidate will be responsible for locating, processing, and managing geospatial data, supporting the corporate GIS architecture, and contributing to the continuous improvement of geospatial data exploitation and update processes. Key Responsibilities: Locate and manage official geospatial data sources and public data repositories. Maintain technical inventories of geospatial sources and document data lineage. Download, validate, and normalize geospatial data to ensure integrity and quality. Participate in the administration and evolution of PostgreSQL/PostGIS databases. Load and organize geospatial data into corporate data structures. Collaborate on ETL workflows and data transfer processes across different environments. Perform vector and raster geoprocessing tasks for validation, transformation, and data preparation. Prepare technical reports and improvement proposals related to geospatial data management and exploitation. Analyze technical incidents and collaborate in defining operational solutions and improvements. What We Offer: Stable project with a public-sector client. Location: Torrejón de Ardoz (Madrid, Spain). Work modality: On-site. Salary: €35,000–€39,000 gross annually, depending on experience and skills. Annual working hours: 1,700. Working hours: * Monday–Thursday: 8 hours/day. * Friday: 7 hours. * Intensive schedule during July–September. Additional Benefits: Flexible compensation: Meal card, transport card, childcare vouchers, and optional enrollment in our collective health insurance. Employee discounts via the Benefits Corporate platform. We are committed to equal opportunities and fostering an inclusive, discrimination-free workplace. We value diversity and welcome all applications regardless of origin, gender, age, religion, sexual orientation, or any other personal characteristic. If you are shortlisted and selected for a position at NexTReT, we will request additional documentation to verify the information in your CV—particularly academic qualifications and relevant professional experience. Should you have any questions about how to provide this information partially or confidentially, you may indicate this to the person handling your hiring process. Requirements: Minimum Experience: 2–4 years in managing corporate spatial databases, ingesting heterogeneous geospatial data, and designing ETL/geoprocessing workflows. Technical Skills: * Strong proficiency in PostgreSQL/PostGIS (data modeling, schema creation, spatial SQL queries, spatial indexing with GIST/SP-GiST). * Advanced command of vector and raster geoprocessing (QGIS, ArcGIS Pro, GDAL/OGR) for normalization, reprojection, and topological validation. * In-depth knowledge of national and international Spatial Data Infrastructures (IDEs) (e.g., IGN, PNOA, Copernicus, WMS/WFS/WMTS, Cadastre) and corporate formats (GeoPackage, PostGIS, Shapefile, GeoJSON, COG). GIS, PostGIS, QGIS