Expert SIG

Senior GIS Architect / Expert (ArcGIS Esri Ecosystem)

Couillet (Charleroi) Belgium Hybrid (2 days onsite / 3 remote)
September 2026 August 2027 (12 months renewable)
Full-time Regular Contract

About the Role

We are seeking an experienced Senior GIS Expert / Architect to support a major digital transformation initiative within the public water sector in Wallonia.

You will join a high-impact team responsible for designing developing and maintaining advanced geospatial solutions built on the Esri ArcGIS ecosystem supporting water distribution and sanitation operations.

This role combines functional analysis solution design and hands-on development with a strong focus on delivering scalable high-performance GIS solutions.

Key Responsibilities

• Lead user workshops and translate business needs into functional solutions
• Challenge and refine requirements to ensure value feasibility and consistency
• Produce detailed functional specifications (use cases business rules acceptance criteria)
• Model processes (UML/BPMN) and data flows across GIS systems
• Collaborate with architects and technical teams to align design and implementation
• Develop and configure ArcGIS applications (Experience Builder Field Maps Survey123 Dashboards)
• Publish and manage services within ArcGIS Enterprise
• Design and optimize FME workflows (Desktop & Flow)
• Integrate web services (REST/OGC) and spatial databases (PostgreSQL/PostGIS)
• Perform testing (unit testing UAT support) and ensure quality delivery
• Contribute to documentation user guides and change management

Required Experience & Skills

• Minimum 10 years of experience in GIS (functional analysis and/or development)
• Strong expertise in the Esri ecosystem:
  • ArcGIS Pro
  • ArcGIS Enterprise (administration publishing optimization)
  • Experience Builder Survey123 Field Maps Dashboards
• Solid knowledge of Utility Network concepts
• Strong skills in:
  • Python (ArcPy) for automation
  • SQL / PostgreSQL / PostGIS (spatial data handling)
  • FME Desktop/Flow (workflow design & automation)
• Experience with UML/BPMN modeling and data modeling (MCD/MLD)
• Familiarity with DevOps practices (Git CI/CD)
• Experience in functional analysis UAT and stakeholder communication

Nice to Have

• Esri certifications (ArcGIS Enterprise Utility Network Desktop Professional)
• FME Certification
• Experience in water / utilities / public infrastructure projects
• Knowledge of sector-specific business processes

Languages

• French: Native / Fluent (mandatory)
• English: Technical proficiency

Work Setup

• Primary location: Couillet (Charleroi)
• Occasional travel within Wallonia (e.g. Namur)
• Minimum 2 days onsite (Thursday mandatory)
• Up to 3 days remote