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ASSYSTEM

Engineering services for design, construction, commissioning

Water Supply and Sewerage Design Engineer - Water supply and Sewerage

Water Resources EngineeringConfirmed live in the last 24 hours
Full-timeNo salary listedIn-person

About the Job

Requirements

  • A Bachelor's degree in Civil Engineering, Environmental Engineering, Public Health Engineering, or a related discipline is required.
  • A Master's degree in Environmental Engineering is listed as an educational qualification.
  • At least 5 years of relevant experience in water and wastewater infrastructure projects is required.
  • Experience in design consultancy, EPC, design-build, DBO, or municipal infrastructure projects is required.
  • Required technical skills include water demand forecasting; hydraulic design of transmission and distribution systems; reservoir and pumping station design; non-revenue water reduction and pressure management; pipeline design and optimization; wastewater flow estimation; sewer network and sewer pumping station design; rising main design; hydraulic profiling and network analysis; water and sewage treatment plant process design; process calculations and unit sizing; sludge management; tertiary treatment and reuse systems; engineering drawings and design packages; technical specification development; BOQ preparation and cost estimation; and vendor drawing review and design coordination.
  • Mandatory software knowledge: WaterGEMS or WaterCAD, SewerGEMS or SewerCAD, EPANET, AutoCAD, Microsoft Excel, and Microsoft Project.
  • Mandatory knowledge of the CPHEEO Water Supply Manual and CPHEEO Sewerage and Sewage Treatment Manual.
  • Key competencies include hydraulic modeling and design, analytical and problem-solving abilities, technical report writing and documentation, project coordination and stakeholder management, managing multiple projects independently, communication and presentation, and commitment to quality, safety, and sustainable engineering practices.

Responsibilities

  • Plan and design water supply systems from source to consumer.
  • Perform water demand assessments and population projections.
  • Design intake structures; raw and treated water transmission mains; water distribution networks; pumping stations; elevated service reservoirs, ground-level service reservoirs, and clear water reservoirs.
  • Carry out hydraulic calculations, network optimization, and pressure management studies, and develop hydraulic models using WaterGEMS, WaterCAD, and EPANET.
  • Design gravity sewer networks, rising mains, force mains, and pumping stations; estimate wastewater flows and perform hydraulic assessments.
  • Prepare sewer network layouts, longitudinal profiles, and hydraulic calculations; conduct sewer capacity assessments and rehabilitation studies; develop sewer network models using SewerGEMS, SewerCAD, or equivalent software.
  • Design conventional and advanced water treatment plants; prepare process calculations and treatment unit sizing; design coagulation and flocculation, clarifiers, filtration, disinfection, chemical dosing, and sludge handling systems.
  • Support water treatment plant commissioning, performance testing, and process optimization.
  • Design sewage treatment plants using ASP, SBR, MBBR, and MBR technologies; design tertiary treatment and treated wastewater reuse systems; prepare process design calculations, layouts, and equipment specifications.
  • Support wastewater treatment plant commissioning, troubleshooting, and process performance assessment.
  • Prepare detailed engineering designs and good-for-construction drawings, including general arrangement drawings, plan and profile drawings, piping layouts, process flow diagrams, P&IDs, utility layouts, and construction drawings.
  • Review vendor drawings, shop drawings, and material submittals; coordinate with civil, structural, mechanical, electrical, and instrumentation disciplines.
  • Prepare detailed project reports, feasibility reports, design basis reports, technical specifications, BOQs, cost estimates, and tender documents; participate in technical bid evaluations and procurement support activities.
  • Provide technical support during construction and commissioning; conduct site inspections and design reviews; resolve engineering and construction-related issues; support testing, commissioning, and project handover.

Desired Qualifications

  • Experience with JJM, AMRUT, Smart Cities, industrial and urban water supply, and sewerage projects.
  • Knowledge of BIS Standards and IS Codes, environmental regulations and pollution control requirements, and AWWA and international water industry standards.
  • Experience with Civil 3D, ArcGIS or QGIS, HAMMER, and InfoWorks ICM.
  • Experience in EPC or turnkey infrastructure projects and in design and commissioning of water and sewage treatment plants.
  • Exposure to SCADA, automation, and instrumentation; surge analysis and hydraulic transient studies; BIM and GIS-based infrastructure design; and water reuse and circular water economy projects.
  • Design management and multidisciplinary project leadership experience.

About the Company

ASSYSTEM

Engineering services for design, construction, commissioning

Assystem provides engineering services for complex projects, covering design, construction, supervision, commissioning, and operation, with a strong focus on the nuclear and energy sectors. Its approach combines multidisciplinary engineering teams and project-management capabilities to move projects from initial concept through to operation. The company differentiates itself through a long track record, strategic acquisitions (including Alphatem in 1995 and Mactech Energy Group in 2025) and an early public offering in 2013, which have expanded its capabilities and market reach in the energy and nuclear fields. Its goal is to be a leading, reliable partner for clients by delivering end-to-end engineering services and helping them meet safety, performance, and regulatory requirements across the project lifecycle.

Company size
5,001-10,000
Company stage
IPO
Headquarters
Paris, France
Founded
1966

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