About the Mission
Description of the request 1. Context Digit’Eaux is the sectoral structure responsible for providing shared IT services to public water operators in Wallonia. It designs, operates and develops a sectoral GIS platform based on Esri technologies (ArcGIS Pro, ArcGIS Enterprise, Utility Network, Fieldmaps, Survey123, Dashboard, etc.), PostgreSQL/PostGIS, FME Desktop & Flow, and integrates numerous business processes linked to the management of drinking water and sanitation networks. Digit’Eaux must ensure the continuity and evolution of its services, while supporting cooperators in their strategic projects, in a logic of pooling, coherence and increasing maturity of the sector. In order to support the completion of transformation projects as well as the evolutionary and corrective maintenance of solutions, Digit’Eaux wishes to strengthen the team with GIS Experts. The experts will be complementary and will be able to intervene on the functional analysis of business needs, the design, development and configuration of adapted geospatial solutions as well as on the evolutionary and corrective maintenance of these, while ensuring quality, performance, security and documentation. 2. Missions Its missions include in particular the following services: leading user workshops; challenge business demands to ensure consistency, viability and added value; work closely with architects to align needs and feasibility. produce detailed functional specifications by precisely formalizing business rules, use cases, acceptance criteria; structure requirements in a rigorous and prioritized manner; model processes (UML/BPMN) and data flows (ArcGIS/UN/PostgreSQL/FME), prepare test scenarios and support UAT contribute to change management, user guides and documentation for deployment and operation develop/configure ArcGIS apps (Experience Builder, JavaScript API, Field Maps, Survey123) and publish services/layers in ArcGIS Enterprise; perform unit tests, fixes, and document code and scripts; design/optimize FME Desktop/Flow workflows (scheduling, monitoring, rework); integrate webservices (REST/OGC) and PostgreSQL/PostGIS data; Skills Experience: Higher education in geomatics, geography, IT or equivalent (Bac+4/5 minimum); Minimum 10 years of experience in functional analysis in a GIS context and/or GIS development on the Esri ecosystem; Skills: Experience in conducting workshops and writing functional documents; Ability to communicate with non-technical profiles; Skills in geographic data modeling (MCD, MLD); Mastery of UML and BPMN; Mastery of the ArcGIS suite: ArcGIS Pro: advanced understanding of models, rules, domains, topology. ArcGIS Enterprise: publication of services, portal management, user management, optimization via tiling, administration (federations, Data Store, security, dedicated/shared instances, etc.) Expertise in configuring ArcGIS Experience Builder, Survey123, Field Maps and ArcGIS Dashboards; Mastery of Python (ArcPy) for automating geospatial processing and/or deployments; Utility Network: solid knowledge of concepts (associations, rules, tracing, topology), ability to analyze functional impacts. Mastery of FME Desktop/Flow: creation of standard workflows (simple transformers) is a MUST / complex automations, FME Flow, logs & debugging is an asset Mastery of SQL / PostgreSQL / PostGIS: solid mastery of spatial databases, operational mastery of SQL, joins/aggregations, basic spatial functions (ST_Intersects, ST_Buffer, etc.), spatial indexes Notions of DevOps (Git, C
Required Skills
Analyse fonctionnelle SIG, ArcGIS Enterprise Administration, ArcGIS Pro, GIS, Modélisation UML, PostGIS, PostgreSQL, Python, SQL, Tests fonctionnels / UAT
Practical Information
- Company: Confidential
- Location: Couillet – Hybrid
- Start Date: 1 September 2026
- End Date: 31 August 2027
- Duration: 12 months
- Contract Type: Freelance / Mission
- Application Deadline: 15 May 2026