Process Engineer Water & Wastewater Treatment

# Job Title: Process Engineer – Water & Wastewater Treatment

• Location:** Perungudi, Chennai, India
• Experience:** 10–15 Years
• CTC:** 13–22 LPA(052)
• Work Mode:** Full-time, Work From Office
• Working Days:** Monday to Saturday
• Working Hours:** Monday–Friday: 9:00 AM–6:00 PM | Saturday: 9:00 AM–1:00 PM
• Interview Process:** 3 rounds | Online via Microsoft Teams
  
  

Quick Role Overview

Role: Process Engineer – Water & Wastewater Treatment

Location: Perungudi, Chennai

WFO, 6 days/week

Must-Haves

• 8+ years in STP/ETP/WTP process design.
• Minimum 50% experience in STP projects.
• Must have designed at least one 20 MLD+ plant.
• Hands-on expertise in MBR, MBBR, SBR.
• Strong hydraulic/process calculations and independent PFD/P&ID preparation.
• Greenfield/Brownfield/Greyfield project experience.
  
  

Nice-to-Have: Chemical Engineering background; BioWin, Bentley, WAVE or IMS tools.

Key Screening Focus: STP-heavy experience + 20 MLD+ plant design + end-to-end process engineering.

## Role Overview in detail:

We are looking for an experienced Process Engineer specializing in water and wastewater treatment systems. The role involves end-to-end process design, engineering calculations, technology selection, process optimization and technical support for STP, ETP and WTP projects.

The ideal candidate should have strong hands-on experience in STP projects, demonstrated capability in designing treatment plants of 20 MLD or higher, and exposure to Greenfield, Brownfield or Greyfield projects.

## Key Responsibilities

• Design and engineer water and wastewater treatment systems, including STP, ETP and WTP.
• Perform process design calculations, hydraulic calculations, mass balance, equipment sizing and system sizing.
• Develop and evaluate treatment solutions based on raw water and wastewater characteristics, including BOD, COD, TSS, TDS, turbidity, pH and conductivity.
• Prepare Process Flow Diagrams (PFDs), Piping and Instrumentation Diagrams (P&IDs), process design reports and technical specifications.
• Select and integrate suitable treatment technologies based on project requirements and performance objectives.
• Support Greenfield plant development, Brownfield expansion and Greyfield upgradation or retrofit projects.
• Evaluate existing plant performance, troubleshoot process issues and recommend optimization measures.
• Provide technical support during project execution, commissioning and performance improvement.
• Ensure compliance with project specifications, environmental regulations and applicable industry standards.
• Evaluate emerging treatment technologies and engineering tools for process design and optimization.
  
  

## Must-Have Skills & Experience

• 8+ years of hands-on process design experience in STP, ETP and WTP projects.
• **At least 50% of total professional experience specifically in STP projects.**
• Must have independently designed at least one water or wastewater treatment plant with a capacity of **20 MLD or higher**.
• Experience in Greenfield, Brownfield or Greyfield projects, including new construction, expansion or plant upgradation.
• Strong hands-on knowledge of **MBR, MBBR and SBR** technologies.
• Strong expertise in process design calculations, hydraulic calculations, mass balance and system sizing.
• Ability to independently prepare PFDs, P&IDs, process design reports and technical specifications.
• Experience across the complete process design lifecycle, including design, engineering, optimization and technical support.
• Practical understanding of treatment plant performance evaluation and troubleshooting.
  
  

## Nice-to-Have Skills

• Bachelor's degree in Chemical Engineering, Environmental Engineering, Mechanical Engineering or Process Engineering.
• Master's degree in a relevant engineering discipline.
• Chemical Engineering background preferred.
• Knowledge of additional treatment technologies, including:
• Ultrafiltration (UF) and Reverse Osmosis (RO)
• Activated Sludge Process (ASP)
• Ceramic membrane filtration
• Electrocoagulation (EC)
• Dissolved Air Flotation (DAF)
• Chemical dosing systems
• Familiarity with process design and simulation tools such as BioWin, Bentley, WAVE and IMS.
• Experience with commissioning, advanced process troubleshooting and treatment plant performance enhancement.
  
  

## Ideal Candidate Profile

A technically strong process engineering professional with substantial STP design experience, exposure to large-capacity treatment plants, and the ability to independently execute end-to-end process design for municipal and industrial water and wastewater treatment projects.

Skills: engineering,water or wastewater treatment plant,system sizing,mbr,process design lifecycle,construction,process design,mbbr,stp,p&ids,optimization,hydraulic calculations,etp,greyfield projects,wtp projects,pfds,sbr,plant upgradation,process design calculations,expansion,mass balance,process design reports