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Larsen & Toubro

# Water Treatment Engineer

India>Tamil Nadu>Chennai Head Qrs. Operations 

Listed on Larsen & Toubro’s official careers site. Posted October 14, 2026. Check that it is still open and apply there.
[Apply on Larsen & Toubro’s careers site →](https://larsentoubrocareers.peoplestrong.com/job/detail/LNT_WTE_1894155)

[OpenNash Jobs](https://jobs.opennash.com/) / [Larsen & Toubro](https://jobs.opennash.com/companies/larsen-toubro/) / Water Treatment Engineer

## Job description

The candidate should be with a Master or Bachelor degree in Chemical Engineering or Mechanical Engineering with an experience of design the Produced Water Treatment plant in Industrial applications. The person may be engaged in a Water Treatment Company designing the Produced Water Treatment Plant or in an Engineering consultancy with hands on experience in designing a Water Treatment Plant. Person with Environmental Engineering background may be considered based on their on job exposure and expertise on designing Produced Water Treatment Plant in Industrial applications.

Complete process design of Produced Water Treatment Plant (PWTP): 1.1 Design of PWTP with Oil removal, polishing, sludge treatment and flare system. Oil removal includes primarily IGF (Induced Gas Floatation), Dissolved Gas Floatation (DGF) etc. Polishing units comprising of Nut-shell filers. Sludge treatment includes complete handling and disposal system. These sludge are only those separated out during the operation of oil removal units and polishing units.

Flare includes required gas handling system in connection with IGF and DGF operation Person should be able to generate design deliverables for complete pre-bid and post-bid 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 Preparation of RFQ Vendor offer

### Evaluation & Selection Technical Data Sheets
- Process Design Basis Report Operation and Control Philosophy Input for Operation and Maintenance Philosophy Person should be acquainted with following codes/ standards/ manuals: Refinery codes and standards as applicable for the projects in middle east and Africa Person should be conversant with the following system design tools: Relevant design tools for Produced Water Treatment Plant.

## Qualifications

Post Graduate Diploma in Environmental Management (PGDEM)

## At a glance
- Posted by the employer: Oct 14, 2026
- First seen by OpenNash: Oct 19, 2026
- Last checked: Oct 19, 2026
- Listed for: 5 days
- Location: India>Tamil Nadu>Chennai Head Qrs.[Apply on Larsen & Toubro’s careers site →](https://larsentoubrocareers.peoplestrong.com/job/detail/LNT_WTE_1894155)

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