Hydraulic Modeller – Water Supply & Sewerage Networks

Assystem provides engineering, project management and digital services to optimise the performance and safety of critical infrastructure throughout its lifecycle.
The company first came to India having acquired Stup Consultants Pvt Ltd in 2021 and L&TIEL in 2024. The company combines its globally recognised expertise in complex project management, with deep-rooted local experience cross full spectrum of infrastructure – from energy, transportation and urban development to water. Today, Assystem has a strong community of 1,500+ multidiscipline engineering experts connected across 8 offices in India.
The Assystem Group is one of the world’s leading independent nuclear engineering companies, ranked among the top three globally, with 60 years of experience in complex and highly regulated environments. With 8,000 experts across 13 countries, Assystem supports the development of low-carbon energy.
For company profile, please visit the website :- www.assystemstup.com
Job Description
Role Summary
The Hydraulic Modeller will be responsible for the development, calibration, analysis, and optimization of water supply and sewerage network models to support master planning, design, rehabilitation, and operational improvement projects. The role involves hydraulic modelling, capacity assessment, system performance evaluation, and preparation of technical recommendations for utility and infrastructure projects.
Key Responsibilities
Develop, update, and manage hydraulic models for water distribution and sewerage collection systems.
Perform network analysis for pressure, flow, velocity, storage, pumping, and system capacity assessments.
Conduct model calibration and validation using field data, SCADA records, flow monitoring, and operational data.
Evaluate existing and future system performance under growth, demand, and climate resilience scenarios.
Undertake water supply studies including demand forecasting, network optimization, reservoir sizing, pump station analysis, and pressure management.
Undertake sewerage studies including dry weather flow analysis, infiltration/inflow assessment, surcharge analysis, and capacity evaluation.
Integrate GIS, survey, asset, and utility data into hydraulic models.
Identify network bottlenecks and recommend upgrade, rehabilitation, and expansion measures.
Support preparation of master plans, feasibility studies, detailed designs, and technical reports.
Coordinate with multidisciplinary teams including water, wastewater, GIS, civil, and environmental engineers.
Software Skills
WaterGEMS / WaterCAD
SewerGEMS / SewerCAD
InfoWorks WS Pro
InfoWorks ICM
ArcGIS / QGIS
AutoCAD / Civil 3D
MS Excel; Python knowledge preferred
Key Competencies
Water supply network modelling and optimization
Sewerage and drainage system modelling
Hydraulic and hydrologic analysis
Model calibration and validation
GIS and asset data integration
Demand forecasting and infrastructure planning
Technical report preparation and client coordination
Preferred Experience
Utility master planning and DPR assignments
Non-Revenue Water (NRW) and DMA studies
Sewer network rehabilitation and expansion projects
Large-scale urban infrastructure and airport developments
Smart utility and digital twin initiatives
Qualifications
Qualifications
Bachelor's Degree in Civil Engineering, Water Resources Engineering, Environmental Engineering, or a related discipline.
Master's Degree in Water Resources or Environmental Engineering preferred.
Experience
3-8 years of relevant experience in hydraulic modelling of water supply and sewerage systems.
Experience in municipal infrastructure, utility master planning, smart city, airport, industrial, or urban development projects is desirable.
Additional Information
We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Work arrangement
No