Engineer- Drainage / Hydrology

Assystem; Bengaluru; On-site; INR 1,300,000 - 2,100,000; Full time

Job summary

Assystem in Bengaluru is seeking a Drainage / Hydrology Engineer with 5–10 years of proven experience to deliver end-to-end drainage design solutions for urban, industrial, and transport projects.

You will independently plan, model, and optimize stormwater systems from catchment analysis to detailed design and GFC deliverables, using SWMM, HEC-RAS, SewerCAD/StormCAD, Civil 3D and related tools. A strong focus on QA/QC and stakeholder coordination is required.

Qualifications

• Postgraduate in Hydrology / Environmental Engineering (or equivalent).
• 5-10 years of proven experience delivering end-to-end drainage design solutions across urban, industrial, highway, airport, seaport, and railway projects.
• Independently plan, model, and optimize stormwater systems, from catchment analysis and concept stage through to detailed design and GFC deliverables.
• Strong command of hydrologic and hydraulic modelling tools (SWMM, HEC-RAS, HEC-HMS, SewerCAD/StormCAD, Civil 3D, QGIS, TUFLOW, MIKE, HY-8).
• Expertise in rainfall–runoff estimation and flood modelling using standard methods (SCS, CWC UGH, Rational Method).
• Ability to deliver code-compliant designs (CWC, Indian, and international standards) for culverts, bridges, river training works, flood protection systems, and rainwater harvesting and reuse networks.
• Track record of producing high-quality, coordinated GFC drawings with QA/QC standards.
• Experience in technical reporting, BOQs, cost estimation, and tender documentation.
• Capable of reviewing and challenging client/contractor submissions, resolving design conflicts, and driving timely approvals with complete and coordinated deliverables.
• Ensure minimal design-related changes during construction through robust first-pass design, proactive risk identification, and interdisciplinary coordination.
• Lead and mentor teams to achieve on-time, high-quality delivery under demanding project schedules.
• Effective communicator with the ability to manage stakeholders and multidisciplinary interfaces.
• Practical exposure to site conditions and execution, ensuring designs are realistic and implementable.
• Experience in international/overseas projects, code knowledge is an added advantage.

Responsibilities

• Plan, model, and optimize stormwater systems end-to-end.
• Deliver end-to-end drainage design solutions across urban, industrial, highway, airport, seaport, and railway projects.
• Produce high-quality GFC drawings (plans, L-sections, cross-sections, GA details) with QA/QC adherence.
• Prepare technical reports, BOQs, cost estimates, and tender documentation.
• Review and challenge client/contractor submissions, resolving design conflicts and driving timely approvals.
• Lead and mentor teams to ensure on-time, high-quality delivery under demanding schedules.

Skills

Project planning

Team leadership

Stakeholder management

Technical communication

Education

Postgraduate in Hydrology / Environmental Engineering

Tools

SWMM

HEC-RAS

HEC-HMS

SewerCAD/StormCAD

Civil 3D

QGIS

TUFLOW

MIKE

HY-8

Job description

• ASSYSTEM Sector: Infrastructure / Building

Company 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 2021and 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.

Job Description – Drainage / Hydrology Engineer Position

• Postgraduate in Hydrology / Environmental Engineering (or equivalent) with 5-10years of proven experience delivering end-to-end drainage design solutions across urban, industrial, highway, airport, seaport, and railway projects.
• Demonstrated ability to independently plan, model, and optimize stormwater systems, from catchment analysis and concept stage through to detailed design and GFC deliverables.
• Strong command of hydrologic and hydraulic modelling tools (SWMM, HEC-RAS, HEC-HMS, SewerCAD/StormCAD, Civil 3D, QGIS, TUFLOW, MIKE, HY-8), applied to solve complex drainage challenges.
• Proven expertise in rainfall–runoff estimation and flood modelling using standard methods (SCS, CWC UGH, Rational Method), with clear and defensible design assumptions.
• Ability to deliver code-compliant designs (CWC, Indian, and international standards) for culverts, bridges, river training works, flood protection systems, and rainwater harvesting and reuse networks.
• Track record of producing high-quality, coordinated GFC drawings (plans, L-sections, cross-sections, GA details) with strict adherence to QA/QC standards.
• Strong experience in technical reporting, BOQs, cost estimation, and tender documentation, ensuring accuracy and constructability.
• Capable of reviewing and challenging client/contractor submissions, resolving design conflicts, and driving timely approvals with complete and coordinated deliverables.
• Ensure minimal design-related changes during construction through robust first-pass design, proactive risk identification, and interdisciplinary coordination.
• Lead and mentor teams to achieve on-time, high-quality delivery under demanding project schedules.
• Effective communicator with the ability to manage stakeholders and multidisciplinary interfaces.
• Practical exposure to site conditions and execution, ensuring designs are realistic and implementable.
• Experience in international/overseas projects, code knowledge is an added advantage.

Qualifications

Postgraduate in Hydrology / Environmental Engineering (or equivalent)

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.