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

Work arrangement
No