Water Chemistry Engineer

Thermax Onsite Energy Solutions Limited (TOESL) , pioneered in 2009, is a wholly owned subsidiary of Thermax Limited. Under a sustainability initiative, the company offers outsourced green utility solutions such as biomass-based steam, heat and cogeneration, Water, and wastewater solutions, bio-CNG and biomass gasification through the Build-Own-Operate (BOO) business model. TOESL partners with its clients by providing green utility solutions and helping them achieve their ESG goals. TOESL undertakes the lifecycle responsibility of a utility plant, including investment, installation, and supply chain management of all consumables, viz. biomass fuels and chemicals. TOESL has pioneered this business model in India & expanded in select international markets. The company has already crossed landmark order booking for annual revenue of Rs. 400 Cr and an order balance of Rs. 515 Cr & is poised to rapidly scale it up in near future. Division: TOESL (Group Company of Thermax Limited) •Job Title : Water & Wastewater Expert •Department : Operation & Maintenance •Essential Qualification : B.E (Chemical) •Experience : 08-10 YRS •Position type : Full Time •Location : Head Office, Pune •No of Position : 01 •Reporting To : Global Operations Head Purpose of the Role To lead the operation, optimization, troubleshooting, and performance improvement of water treatment, wastewater treatment, water recycling, and desalination plants while ensuring compliance with statutory, environmental, and operational requirements. Key Roles & Responsibilities 1. Lead operation, troubleshooting, optimization, and performance improvement of WTP, ETP, STP, WWTP, RO Desalination, Water Recycling, and ZLD plants. 2. Provide technical expertise on treatment technologies including Softening, UF, RO, MBR, MEE, MVR, Desalination, Aerobic & Anaerobic Biological Treatment Systems, Sludge Dryers, Decanters, and associated utilities. 3. Support engineering reviews, process design validation, commissioning activities, performance guarantee tests, and plant audits. 4. Ensure compliance with environmental regulations, statutory requirements, discharge norms, and water quality standards. 5. Optimize plant performance through improved water recovery, reduced chemical consumption, lower energy usage, and minimized operating costs. 6. Lead troubleshooting of membrane systems, desalination units, evaporators, crystallizers, and biological treatment processes. 7. Drive water conservation, wastewater reuse, sustainability, and circular water management initiatives. 8. Support project execution, technology selection, process evaluation, vendor assessment, and technical due diligence. 9. Develop and implement preventive maintenance, reliability improvement, and asset management programs for critical equipment. 10. Conduct root cause analysis (RCA) and implement corrective and preventive actions for recurring operational issues. 11. Coordinate with customers, consultants, regulatory authorities, OEMs, and internal stakeholders to achieve operational and business objectives. 12. Mentor plant teams and establish best practices for safe, efficient, and reliable plant operations. Critical Technical Competencies Water & Wastewater Treatment Process Expertise Desalination Technologies (RO, MED, MSF) Membrane Systems Management & Troubleshooting Zero Liquid Discharge (ZLD) Systems Water Chemistry & Process Optimization Plant Commissioning & Performance Testing Process Design Review & Engineering Evaluation Root Cause Analysis & Problem Solving Environmental Compliance & Regulatory Knowledge O&M Cost Optimization and Asset Reliability Behavioral Competencies Analytical Thinking Decision Making Leadership & Team Management Customer Focus Communication & Presentation Skills Continuous Improvement Mindset Safety & Risk Management Result Orientation Key Success Factors 1. Improved plant efficiency, water recovery, and operational reliability. 2. Effective troubleshooting and resolution of process and equipment-related issues. 3. Successful implementation of desalination, water recycling, and ZLD solutions. 4. Compliance with environmental, statutory, and customer requirements. 5. Reduction in operating costs through process optimization and resource conservation. 6. Strong customer engagement and stakeholder coordination. 7. Demonstrate commitment to safety, sustainability, and operational excellence.