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Senior Engineer, Commissioning (ETP-ZLD Systems)

Gradiant
Chennai, Tamil Nadu

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Job details

Qualifications

Microsoft Word
Wastewater
Oil & gas
Microsoft Office
Programmable logic controllers
Project management
Bachelor's degree
Distributed control systems
Environmental Engineering
Communication skills

Full job description

Senior Engineer, Commissioning (ETP-ZLD Systems)

Gradiant India Private Limited

Chennai, India

Posting Start Date: 6/2/26

Date format: mm/dd/yy

Function: Project Management

Gradiant is a Different Kind of Water Company. With a full suite of differentiated and proprietary end-to-end solutions for advanced water and wastewater treatment powered by the top minds in water, the company serves its clients’ mission-critical operations in the world’s essential industries, including semiconductors, pharmaceuticals, food & beverage, lithium and critical minerals, and renewable energy. Gradiant’s innovative solutions reduce water used and wastewater discharged, reclaim valuable resources, and renew wastewater into freshwater. The Boston-headquartered company was founded at MIT and has over 1,400 employees worldwide.

Discover us at www.gradiant.com.

Job Overview :

To lead and execute commissioning, start-up, and performance optimization of Effluent Treatment Plant (ETP) and Zero Liquid Discharge (ZLD) systems, ensuring compliance with project specifications, environmental regulations, and performance guarantees.

Responsibilities :

Plan, coordinate, and execute pre-commissioning, commissioning, and start-up activities for ETP and ZLD systems
Review design documents including P&IDs, control philosophy, datasheets, and layouts for commissioning readiness
Develop commissioning procedures, method statements, and checklists
Supervise system flushing, chemical cleaning, leak testing, and equipment integrity checks
Perform functional testing and trial runs of key equipment such as pumps, blowers, membranes, evaporators (MEE/MVRE), and dryers (ATFD)
Validate control systems including PLC/SCADA logic, interlocks, alarms, and automation sequences
Identify and troubleshoot process, mechanical, and control issues during commissioning and start-up
Optimize system performance to achieve design parameters such as recovery, rejection rates, and ZLD compliance
Coordinate with engineering, construction, vendors, and client teams for smooth project execution
Ensure adherence to HSE standards and environmental regulatory requirements
Prepare Commissioning Procedures, commissioning reports, performance test reports, O&M Manual and system documentation
Conduct training for plant operators and hand over systems to operations team.

Requirements :

Strong knowledge of ETP & ZLD technologies : Physico-chemical treatment systems, Biological treatment processes, UF and RO systems, Multiple Effect Evaporators (MEE), MVRE, Agitated Thin Film Dryers (ATFD) / Crystallizers, Sludge dewatering systems, Chemical dosing systems
Familiarity with instrumentation : pH, ORP, conductivity, and turbidity analyzers, Flow, pressure, and level transmitters
Basic understanding of PLC/DCS/SCADA systems, Structured commissioning approach and execution
Troubleshooting and root cause analysis, Vendor coordination and FAT/SAT participation
Effective communication and coordination skills, Leadership and team supervision, Analytical problem-solving and decision-making
Bachelor’s Degree in Chemical / Mechanical / Environmental Engineering or related field
Typically 8–15 years of experience in commissioning of water, wastewater, or ZLD systems
Strong knowledge of RO, UF, and thermal evaporation processes (MEE/MVRE/ATFD)
Experience in industrial sectors such as oil & gas, petrochemical, power, or semiconductor preferred
Strong coordination with multidisciplinary and multinational teams

Tools & Software

MS Office (Word, Excel, Project)

Commissioning management systems

SCADA/PLC interfaces

Document control systems

Work Location : Sites across India

Gradiant is an equal opportunity employer. Qualified applicants will be considered without regard to race, color, religion, creed, gender, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.

#LI-GD1

Apply Now

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