# 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 skilled 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.

📌 Process Engineer – Water & Wastewater Treatment (Chennai)
🏢 Umanist Staffing
📍 Chennai