Design Engineer - Water supply and Sewerage

Assystem in India; Hyderabad; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

Assystem India is seeking a Water Supply & Sewerage Design Engineer to lead planning, hydraulic design, detailed engineering, and project support for water and wastewater projects in Hyderabad. The role covers design of water supply systems, sewer networks, WTPs, STPs, and associated detailed drawings.

The ideal candidate has 5+ years in water infrastructure, proficiency in WaterGEMS/WaterCAD/EPANET, AutoCAD, and a collaborative approach to civil-utility projects.

Qualifications

• Bachelor's or higher in Civil/Environmental Engineering with relevant specialization.
• Minimum 5 years of experience in water/wastewater infrastructure design.
• Experience in Design Consultancy, EPC, Design-Build, or Municipal Projects.
• Familiarity with CPHEEO guidelines and related standards is a plus.
• Experience with hydraulic modeling and detailed engineering tasks.

Responsibilities

• Plan and design water supply systems from source to consumer.
• Design sewer networks, pumping stations, and wastewater conveyance.
• Size and design water treatment processes and facilities.
• Support construction, testing, and performance assessment.
• Prepare technical docs, DPRs, BOQs, and tender documents.
• Coordinate with multidisciplinary teams and ensure quality deliverables.

Skills

Water demand forecasting

Hydraulic design

Project coordination

Analytical abilities

Technical report writing

Education

Bachelor's Degree in Civil Engineering

Bachelor's Degree in Environmental Engineering

Master's Degree in Environmental Engineering

Tools

WaterGEMS

WaterCAD

EPANET

AutoCAD

MS Excel

MS Project

Civil 3D

ArcGIS

QGIS

HAMMER

InfoWorks ICM

Job description

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.Assystem-india.com

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.Assystem-india.com

Job Description

Water 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 Responsibilities

Water Supply Engineering

• 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
  • ESRs, GLSRs, and CWRs
• Carry out hydraulic calculations, network optimization, and pressure management studies.
• Develop hydraulic models using WaterGEMS, WaterCAD, and EPANET.

Sewerage Engineering

• Design 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 Engineering

• Design conventional and advanced Water Treatment Plants (WTPs).
• Prepare process calculations and treatment unit sizing.
• Design:
  • Coagulation & Flocculation Systems
  • Clarifiers
  • Filtration Systems
  • Disinfection Systems
  • Chemical Dosing Systems
  • Sludge Handling Facilities
• Support commissioning, performance testing, and process optimization.

Wastewater Treatment Engineering

• Design Sewage Treatment Plants (STPs) using technologies such as:
  • ASP
  • SBR
  • MBBR
  • MBR
• Design tertiary treatment and treated wastewater reuse systems.
• Prepare process design calculations, layouts, and equipment specifications.
• Support commissioning, troubleshooting, and process performance assessment.

Detailed Engineering

• Prepare Detailed Engineering Designs (DED) and Good-for-Construction (GFC) drawings.
• Develop:
  • General Arrangement Drawings (GADs)
  • Plan & Profile Drawings
  • Piping Layouts
  • Process Flow Diagrams (PFDs)
  • P&IDs
  • Utility Layouts
  • Construction Drawings
• Review vendor drawings, shop drawings, and material submittals.
• Coordinate with multidisciplinary teams including Civil, Structural, Mechanical, Electrical, and Instrumentation disciplines.

Project Documentation & Tendering

• Prepare:
  • DPRs
  • Feasibility Reports
  • Design Basis Reports
  • Technical Specifications
  • BOQs
  • Cost Estimates
  • Tender Documents
• Participate in technical bid evaluations and procurement support activities.

Construction Support

• 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

Qualifications

Educational Qualifications

• Bachelor's Degree in Civil Engineering, Environmental Engineering, Public Health Engineering, or related discipline.
• Master's Degree in Environmental Engineering.

Experience

• Minimum 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.

Additional Information

Required Technical Skills

Water Supply

• Water demand forecasting
• Hydraulic design of transmission and distribution systems
• Reservoir and pumping station design
• NRW reduction and pressure management
• Pipeline design and optimization

Sewerage

• Wastewater flow estimation
• Sewer network design
• Sewer pumping station design
• Rising main design
• Hydraulic profiling and network analysis

Water & Wastewater Treatment

• WTP process design
• STP process design
• Process calculations and unit sizing
• Sludge management systems
• Tertiary treatment and reuse systems

Detailed Engineering

• Preparation of engineering drawings and design packages
• Technical specification development
• BOQ preparation and cost estimation
• Vendor drawing review and design coordination

Software Requirements

Mandatory

• WaterGEMS / WaterCAD
• SewerGEMS / SewerCAD
• EPANET
• AutoCAD
• MS Excel
• MS Project

Preferred

• Civil 3D
• ArcGIS / QGIS
• HAMMER
• InfoWorks ICM

Mandatory Knowledge

• CPHEEO Water Supply Manual
• CPHEEO Sewerage & Sewage Treatment Manual

Desired Knowledge

• BIS Standards and IS Codes
• Environmental Regulations and Pollution Control Requirements
• AWWA and international water industry standards

Key Competencies

• Strong hydraulic modeling and design skills
• Excellent analytical and problem-solving abilities
• Technical report writing and documentation skills
• Project coordination and stakeholder management
• Ability to work independently and manage multiple projects
• Strong communication and presentation skills
• Commitment to quality, safety, and sustainable engineering practices

Preferred Candidate Profile

Candidates 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 Projects
• Design and commissioning of WTPs and STPs
• SCADA, Automation, and Instrumentation exposure
• Surge Analysis and Hydraulic Transient Studies
• BIM and GIS-based infrastructure design
• Water Reuse and Circular Water Economy Projects
• Design management and multidisciplinary project leadership experience

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.