Design Engineer - Water supply and Sewerage

Assystem; Hyderabad City Taluka; On-site; PKR 3,487,000 - 5,812,000; Full time

Job summary

Assystem is seeking a Water Supply & Sewerage Design Engineer for its Design Team in India. You will plan, model, and detail water/wastewater systems across projects from intake to discharge, with emphasis on hydraulics and process design.

The role requires at least 5 years of design experience in water infrastructure, familiarity with WTP/STP processes, and strong modeling skills using WaterGEMS/EPANET. On-site work in Bengaluru/Hyderabad is expected.

Qualifications

• Bachelor’s degree in Civil/Environmental Engineering required.
• Minimum 5 years of relevant water and wastewater infrastructure experience.
• Experience with design consultancy, EPC, or turnkey municipal projects preferred.

Responsibilities

• Plan and design water supply systems from source to consumer.
• Develop sewer networks and wastewater treatment layouts and hydraulics.
• Prepare detailed engineering drawings and design packages with GADs, PFDs, and P&IDs.

Skills

Water Supply

Sewerage Design

Water Treatment

Hydraulic Modeling

Piping Layouts

PFDs

GADs

AutoCAD

WaterGEMS

EPANET

SewerGEMS

SewerCAD

Education

Bachelor’s Degree in Civil Engineering

Master’s Degree in Environmental Engineering

Tools

WaterGEMS

WaterCAD

EPANET

SewerGEMS

SewerCAD

AutoCAD

MS Project

Job description

Permanent /Bengaluru & HyderabadIndia30/10/26On siteAbout AssystemAssystem 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.Assystem-india.comJob DescriptionWater supply & Sewerage Design Engineer for Design Team, responsible for the planning, hydraulic design, detailed engineering, and implementation support of water supply, sewerage, water treatment, and wastewater treatment projects.Key ResponsibilitiesWater Supply EngineeringPlan and design water supply systems from source to consumer.Perform water demand assessments and population projections.Design:Intake structuresRaw and treated water transmission mainsWater distribution networksPumping stationsESRs, GLSRs, and CWRsCarry out hydraulic calculations, network optimization, and pressure management studies.Develop hydraulic models using WaterGEMS, WaterCAD, and EPANET.Sewerage EngineeringDesign gravity sewer networks, rising mains, force mains, and pumping stations.Perform wastewater flow estimation and 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.Water Treatment EngineeringDesign conventional and advanced Water Treatment Plants (WTPs).Prepare process calculations and treatment unit sizing.Design:Coagulation & Flocculation SystemsClarifiersFiltration SystemsDisinfection SystemsChemical Dosing SystemsSludge Handling FacilitiesSupport commissioning, performance testing, and process optimization.Wastewater Treatment EngineeringDesign Sewage Treatment Plants (STPs) using technologies such as:ASPSBRMBBRMBRDesign tertiary treatment and treated wastewater reuse systems.Prepare process design calculations, layouts, and equipment specifications.Support commissioning, troubleshooting, and process performance assessment.Detailed EngineeringPrepare Detailed Engineering Designs (DED) and Good-for-Construction (GFC) drawings.Develop:General Arrangement Drawings (GADs)Plan & Profile DrawingsPiping LayoutsProcess Flow Diagrams (PFDs)P&IDsUtility LayoutsConstruction DrawingsReview vendor drawings, shop drawings, and material submittals.Coordinate with multidisciplinary teams including Civil, Structural, Mechanical, Electrical, and Instrumentation disciplines.Project Documentation & TenderingPrepare:DPRsFeasibility ReportsDesign Basis ReportsTechnical SpecificationsBOQsCost EstimatesTender DocumentsParticipate in technical bid evaluations and procurement support activities.Construction SupportProvide technical support during construction and commissioning.Conduct site inspections and design reviews.Resolve engineering and construction-related issues.Support testing, commissioning, and project handoverMy profileEducational QualificationsBachelor’s Degree in Civil Engineering, Environmental Engineering, Public Health Engineering, or related discipline.Master’s Degree in Environmental Engineering.ExperienceMinimum 5 years of relevant experience in water and wastewater infrastructure projects.Experience in Design Consultancy, EPC, Design-Build, DBO, or Municipal Infrastructure Projects.Experience in JJM, AMRUT, Smart Cities, Industrial & Urban Water Supply, and Sewerage Projects will be preferred.Required Technical SkillsWater SupplyWater demand forecastingHydraulic design of transmission and distribution systemsReservoir and pumping station designNRW reduction and pressure managementPipeline design and optimizationSewerageWastewater flow estimationSewer network designSewer pumping station designRising main designHydraulic profiling and network analysisWater & Wastewater TreatmentWTP process designSTP process designProcess calculations and unit sizingSludge management systemsTertiary treatment and reuse systemsDetailed EngineeringPreparation of engineering drawings and design packagesTechnical specification developmentBOQ preparation and cost estimationVendor drawing review and design coordinationSoftware RequirementsMandatoryWaterGEMS / WaterCADSewerGEMS / SewerCADEPANETAutoCADMS ExcelMS ProjectPreferredCivil 3DArcGIS / QGISHAMMERInfoWorks ICMMandatory KnowledgeCPHEEO Water Supply ManualCPHEEO Sewerage & Sewage Treatment ManualDesired KnowledgeBIS Standards and IS CodesEnvironmental Regulations and Pollution Control RequirementsAWWA and international water industry standardsKey CompetenciesStrong hydraulic modeling and design skillsExcellent analytical and problem-solving abilitiesTechnical report writing and documentation skillsProject coordination and stakeholder managementAbility to work independently and manage multiple projectsStrong communication and presentation skillsCommitment to quality, safety, and sustainable engineering practicesPreferred Candidate ProfileCandidates with proven experience across Water Supply Systems, Sewerage Networks, Water Treatment Plants (WTPs), Sewage Treatment Plants (STPs), Hydraulic Modeling, and Detailed Engineering will be highly preferred.Additional advantages include:Experience in EPC/Turnkey Infrastructure ProjectsDesign and commissioning of WTPs and STPsSCADA, Automation, and Instrumentation exposureSurge Analysis and Hydraulic Transient StudiesBIM and GIS-based infrastructure designWater Reuse and Circular Water Economy ProjectsDesign management and multidisciplinary project leadership experienceWe 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.