Consultant GIS Systems (Medior)

Location: Brussels, Belgium
Work Model: Hybrid (minimum 1 day/week onsite at Brussels-North office + additional presence at regional VAC offices)
Start Date: 01 July 2026
Contract Duration: Until 31 December 2026
Workload: Full-time (100%)
Application Deadline: 03 June 2026

About the Role

We are seeking an experienced GIS Consultant (Medior level) to support the integration, development, and optimization of Geographic Information Systems (GIS) within a complex public sector environment focused on nature and environmental management.

In this role, you will design, implement, and maintain GIS functionalities across multiple applications and platforms. You will be responsible for structuring geospatial data, enabling geospatial services, and ensuring effective visualization and usage of geodata for both internal and external stakeholders.

The environment is highly data-driven and supports strategic programs such as digital transformation and Smart Nature initiatives using technologies like IoT, AI, and spatial analytics.

Key Responsibilities

GIS Development & Integration

• Design, develop, and maintain GIS systems and geospatial solutions.
• Integrate GIS functionality into existing and new applications.
• Define and structure geospatial datasets, layers, and services.
• Support the development of geo web services for internal and external use.
• Ensure high-quality geocoding, vector/raster processing, and data transformation workflows.

Geospatial Data Management

• Design and maintain geodatabases using SQL Server and related technologies.
• Write and optimize queries for geospatial data environments.
• Manage and manipulate vector and raster datasets for multiple use cases.
• Ensure data quality, consistency, and performance across GIS systems.

Spatial Analysis & Processing

• Perform spatial and geoprocessing analyses.
• Support advanced GIS data transformations and analytical workflows.
• Apply geospatial tools and techniques to support decision-making.

Solution Design & Architecture

• Translate functional requirements into technical GIS implementations.
• Contribute to GIS solution architecture and system design.
• Support the setup of GIS environments in cloud platforms (Azure, AWS).
• Work with serverless and cloud-based geospatial architectures.

Integration & APIs

• Work with APIs and services from Digitaal Vlaanderen and base registries.
• Support integration of external geospatial data sources.
• Ensure interoperability between GIS systems and enterprise platforms.

Collaboration & Delivery

• Collaborate with analysts, developers, architects, and stakeholders.
• Participate in Agile/SCRUM development cycles.
• Support testing, debugging, and iterative development processes.
• Ensure alignment between business requirements and GIS implementations.

Required Qualifications

Experience

• Proven experience in GIS system development.
• Minimum 3 years of experience with:
  • ESRI ArcGIS Desktop, Server, and Online
  • Geodatabases in SQL Server
  • Development and deployment of GIS systems
  • Geo web services setup and management
• Strong experience in geocoding, spatial data formats, and geospatial data processing.

Technical Skills

• Experience with:
  • SQL Server geodatabases
  • Geoprocessing tools and spatial analysis techniques
  • Vector and raster data manipulation
  • API integration and data services
• Ability to perform coding, testing, and debugging in programming environments relevant to GIS.

Language Requirements

• Native-level Dutch proficiency (CEFR C2).

Preferred Qualifications

• Experience with Agile/SCRUM methodologies.
• Experience with GIS solution architecture and translating functional requirements into technical designs.
• Experience with cloud-based GIS environments (Azure, AWS).
• Experience with serverless architectures and cloud-native geospatial systems.
• Knowledge of VertiGIS, FME, QGIS, GeoServer, PostGIS, and Python (ArcPy).
• Experience with geospatial APIs from Digitaal Vlaanderen and base registries.
• Knowledge of ITIL processes.
• GIS certification (nice to have).

Key Competencies

• Strong analytical and problem-solving skills.
• Ability to design scalable and maintainable GIS solutions.
• Strong technical understanding of spatial data structures and systems.
• Ability to work independently and within multidisciplinary teams.
• Strong communication skills with technical and non-technical stakeholders.
• Structured and detail-oriented approach to system design and implementation.

About the Environment

You will work within a Digitalisation & Innovation unit supporting the management and protection of large natural areas in Flanders. The organization focuses on:

• Digital transformation of environmental services
• Smart Nature initiatives using GIS, IoT, AI, and data analytics
• Improved accessibility and usability of geospatial information for citizens, partners, and internal teams

Working Conditions

• Hybrid model with at least 1 onsite day per week in Brussels-North.
• Additional flexible work at regional administrative centres (Ghent, Antwerp, Bruges, Leuven, Hasselt, Brussels-North).
• Structured time tracking and reporting via JIRA.
• Strict workload management and adherence to delivery timelines.
• Collaborative public sector environment with strong emphasis on data governance.

Apply Now

Interested candidates are encouraged to apply before 03 June 2026. Early submission is strongly recommended due to the short application window.