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SIAAP Tech Stack

Public wastewater treatment operator for 9M residents across Île-de-France

Government Administration Paris, Ile-de-France, France 1,001–5,000 employees Founded 1970 Government Agency

SIAAP is Europe's only interdepartmental wastewater syndicate, treating 2.5M cubic meters of sewage daily across 1,980 km² serving the Paris metropolitan region. The tech stack—Excel, AutoCAD, LIMS, Power BI, Modbus industrial controls—reflects infrastructure-heavy operations with manual process documentation. Hiring is accelerating across engineering (27 roles) and ops (22 roles), driven by active projects in GMAO deployment and procurement systems, signaling investment in asset-management modernization.

Tech Stack 14 technologies

Core StackAutoCAD Canva Power BI Microsoft Office Excel Word PowerPoint LIMS Adobe Windows Modbus Ethernet Microsoft Project Business Objects

What SIAAP Is Building

◆Challenges

Optimizing maintenance cost
Public procurement compliance
Public procurement disputes
Complex contract management
Ensuring safety procedure compliance
Improving maintenance planning
Maintaining sanitation infrastructure
Budget tracking
Respect des arrêtés préfectoraux
Décentralisation de la comptabilité

▲Active Projects

Deployment of gmao system
Gestion différenciée des espaces verts
Insertions publicitaires dans les magazines des communes riveraines
Developing technical and financial documentation for tender dossiers
Api and aapc validation
Sis clause updates
Cao legal assistance
Mise à jour des clausiers sis marchés
Gestion des contentieux de marchés publics
Update sis marchés clauses

Hiring Activity

Accelerating70 roles · 35 in 30d

Department

Engineering

27

Ops

22

Finance

4

Construction

3

Legal

3

HR

2

Security

2

Communication

1

Seniority

Mid

36

Junior

14

Senior

10

Manager

8

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About SIAAP

SIAAP operates as a unique public enterprise managing wastewater collection and treatment for approximately 9 million residents across the Île-de-France region. The organization runs six treatment plants that process both domestic and industrial wastewater, as well as stormwater runoff, discharging cleaned water into the Seine and Marne. Coverage spans 1,980 square kilometers across four departments and 180 municipalities. Core operations balance daily treatment volume against weather-driven spikes during heavy rain, requiring forecasting and infrastructure resilience. The 1,001–5,000 employee workforce is organized around engineering, operations, finance, and compliance functions.

Company Size1,001–5,000 employees

Founded1970

Hiring MarketsFrance

Frequently Asked Questions

What is SIAAP's main function?

SIAAP collects and treats wastewater for ~9 million residents in Île-de-France, operating six treatment plants across 1,980 km² and processing ~2.5M m³ of sewage daily under normal conditions.

What software does SIAAP use?

Primary tools include Microsoft Office suite, AutoCAD, LIMS (lab management), Power BI, Business Objects, Modbus (industrial controls), and Microsoft Project for asset and project management.