[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) Larsen & Toubro # Process Senior Lead Manager India\>Tamil Nadu\>Chennai Head Qrs. Manager or lead Design Listed on Larsen & Toubro’s official careers site. Posted October 29, 2026. Check that it is still open and apply there. [Apply on Larsen & Toubro’s careers site →](https://larsentoubrocareers.peoplestrong.com/job/detail/LNT_PSLM_1909495) [OpenNash Jobs](https://jobs.opennash.com/) / [Larsen & Toubro](https://jobs.opennash.com/companies/larsen-toubro/) / Process Senior Lead Manager ## Job description Process Engineer with expertise in Desalination Plant and conventional Water Treatment Plant The candidate should be with a Master degree or Bachelor degree in Chemical Engineering or Environmental Engineering with a experience of design the Desalination Plant. The person may be engaged in a Water Treatment Company with hands on experience in designing a Desalination Plant and conventional water treatment plant Complete process design of the following: Sea Water Desalination Plant (SWDP): Design of Desalination Plant with Intake, Pretreatment, Ultra-filtration, Reverse Osmosis, Remineralization, Brine management and sludge treatment. 1.1 Sea Water Intake system: Various types of Intake System 1.2 Pretreatment system: including Dissolved Air Floatation (DAF); media filtration like DMF (Dual Media Filter), MMF (Multi Media Filter); membrane filtration like UF (Ultra Filtration) etc. 1.3 Reverse Osmosis system: including sea water reverse osmosis with, brackish water reverse osmosis. 1.4 Energy recovery system: including system design with ERT (Energy Recovery Turbine), Pressure Exchanger and Work Exchanger 1.5 Remineralization: including Limestone Bed Filtration with carbon dioxide dosing. 1.6 Brine management system: including intermittent brine storage, utilization of brine in the process scheme and disposal of brine back to sea. 1.7 Sludge management system: including separation, dewatering and disposal of sludge generated in the process scheme. 1.8. ### Metalloid removal including removal of Boron by Ion exchange technology. ### Conventional Water Treatment Plant (WTP) 2.1 Conventional WTP with clarifier, filtration and disinfection. 2.2 - Process plant WTP with demineralization, electro-deionization (EDI), condensate polishing unit (CPU, both high pressure & low pressure) 2.3 - Design and selection of processes for handing cyanobacteria and cyanotoxin. 2.4 - Design and selection of processes for removal of color, odor, heavy metal, micropollutants etc. Person should be able to generate design deliverables for complete pre-bid engineering (Tendering) and post-bid engineering (Basic engineering and Detail Engineering): Process Design Calculation Hydraulic Calculation Mechanical Equipment List Civil Unit List Electrical Load List Input for Instrument range Process Flow Diagram Mass Balance Diagram Hydraulic Flow Diagram Process & Instrumentation Diagram Plant Layout General Arrangement Drawing Hazardous Area Classification Drawing Chemical, Power and Utility Guarantee including calculation of SPC (Specific Power Consumption) for the plant. Preparation of RFQ Vendor offer Evaluation & Selection Technical Data Sheets Process Design Basis Report Operation and Control Philosophy Scenario analysis Input for Operation and Maintenance Philosophy. Input for Financial Modelling in BOOT/ BOO projects like Correction factors, correction curves etc. Person should be acquainted with following codes/ standards/ manuals: Codes and standards as applicable for the desalination and water treatment projects in Middle Eastern countries, African countries and South East Asian countries. Person should be conversant with the following system design tools: Relevant design tools for Water Treatment and Desalination Plant. ## Qualifications Master of Technology (MTech) ## At a glance - Posted by the employer: Oct 29, 2026 - First seen by OpenNash: Nov 2, 2026 - Last checked: Nov 9, 2026 - Listed for: 11 days - Location: India\>Tamil Nadu\>Chennai Head Qrs.[Apply on Larsen & Toubro’s careers site →](https://larsentoubrocareers.peoplestrong.com/job/detail/LNT_PSLM_1909495) ## Hiring at Larsen & Toubro - Open jobs: 3,291 - New in the last 7 days: After two weekly collections - Tracked since: Oct 12, 2026 [All Larsen & Toubro jobs](https://jobs.opennash.com/companies/larsen-toubro/) · [Weekly hiring report](/reports/hiring/) ## More jobs at Larsen & Toubro ### [Quantum Computing Associate](https://jobs.opennash.com/companies/larsen-toubro/jobs/97045ce7a2207696354f/) India\>Tamil Nadu\>Chennai Head Qrs. ### [Procurement - Chennai HQ](https://jobs.opennash.com/companies/larsen-toubro/jobs/d8396cea2d0a9974efc9/) India\>Tamil Nadu\>Chennai Head Qrs. ### [Project Engineering Manager - SS](https://jobs.opennash.com/companies/larsen-toubro/jobs/e701774950cbd7eabffc/) India\>Tamil Nadu\>Chennai Head Qrs. ### [Public Health Engineering Works - BIM Modeller](https://jobs.opennash.com/companies/larsen-toubro/jobs/08231138f9b24f1a3365/) India\>Tamil Nadu\>Chennai Head Qrs. ### [QA/QC - MEP - PAH](https://jobs.opennash.com/companies/larsen-toubro/jobs/161b56a004c2ff1918a3/) India\>Tamil Nadu\>Chennai Head Qrs. ## Similar jobs at other companies ### [Associate - Process Manager](https://jobs.opennash.com/companies/jpmorganchase/jobs/283ead073796df9acb31/) JPMorganChase · India ### [Process Engineer](https://jobs.opennash.com/companies/totalenergies/jobs/c7c301794530b6e8ad7a/) TotalEnergies ### [Lead Process Consultant](https://jobs.opennash.com/companies/siemens/jobs/f9db258c0adebfd36270/) Siemens [Design jobs](/functions/design/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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