Lead Engineer

WABAG; Chennai District; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

WABAG in Chennai seeks an experienced HVAC design engineer to develop tailored systems for water treatment plants, pumping stations, and desalination facilities. You will size equipment, prepare design criteria, and create ducts and layouts while ensuring safety and regulatory compliance.

The ideal candidate brings 8+ years in industrial HVAC design, proficiency in AutoCAD and Revit, and strong communication and teamwork skills to coordinate with multi-disciplinary teams.

Qualifications

• 8+ years of HVAC design experience in industrial/water infrastructure.
• Proficient with AutoCAD, Revit, HAP, TRACE.
• Strong communication skills.

Responsibilities

• Design HVAC systems for water treatment plants and pumping stations.
• Prepare design basis and perform equipment sizing.
• Create layouts, ducting, and piping schematics.
• Ensure compliance with ASHRAE, ISHRAE, NFPA and local codes.
• Provide installation support and oversee testing/commissioning.

Skills

HVAC design

AutoCAD

Revit

HAP

TRACE

Communication

Teamwork

Problem solving

Tools

HAP

TRACE

Job description

JOB PURPOSE:

• HVAC System Design Develop tailored HVAC solutions for water treatment plants, pumping stations, and desalination facilities.
• Design Basis Preparation Establish design criteria, environmental conditions, and performance requirements.
• Equipment Sizing Calculate and select appropriate HVAC equipment (chillers, DX system, AHUs, fans, etc.) for efficiency and reliability.
• Layout Development Create HVAC layouts, ducting, and piping schematics suited to plant architecture and process needs.
• Ventilation for Hazardous Areas Design specialized ventilation systems for chemical storage and handling zones to ensure safety.
• Standards Compliance Ensure designs meet ASHRAE, ISHRAE, NFPA, and local regulatory codes.
• Crossdiscipline Coordination – Collaborate with process, civil, structural, electrical, and instrumentation teams for integrated solutions.
• Energy Efficiency – Optimize HVAC systems for reduced energy consumption and sustainable operation.
• Installation Support – Provide technical guidance during installation, ensuring adherence to design specifications.
• Testing & Commissioning – Oversee system testing, performance validation, and commissioning to deliver safe, functional HVAC infrastructure.
• Sizing and selection of Fire fighting system (Extingusihers, Hydrants, MVWS, HVWS, Foam Systems, Etc)
• Identification of Hazard category and selection and design of complete fire system in compliance with IS, OISD, NFPA, UL/FM.
• Fire Water demand Calculation and Equipment sizing.
• Fire system Layout and scheme preparation.
• Coordination with Local authorities to get fire approval.
• Coordination with client and consultant for Fire system Design Basis and calculations approval.

Preferred candidate profile

• Extensive Experience – Over 8 years of HVAC design expertise in industrial and water infrastructure projects.
• Technical Proficiency – Skilled in AutoCAD, Revit, and HVAC simulation tools such as HAP and TRACE.
• Communication Strengths – Strong written and oral communication abilities for effective collaboration and reporting.
• Adaptability & Teamwork – Capable of working independently or within teams, prioritizing tasks, and managing highpressure situations with flexibility.
• ProblemSolving Skills – Demonstrated analytical thinking and innovative solutions to complex HVAC design challenges.

COMPETENCY-TECHNICAL

• HVAC System Design Expertise – Skilled in designing HVAC systems including heat load calculations and equipment selection (chillers, AHUs, FCUs, exhaust fans).
• Layout Development – Proficient in preparing ducting and piping layouts, ventilation schemes for hazardous gases, and pressurization systems.
• Cleanroom Standards – Knowledgeable in HVAC requirements for cleanroom environments and specialized applications.
• Regulatory Familiarity – Wellversed in ASHRAE, ISHRAE, NFPA, and local codes to ensure compliance and safety.
• Technical Documentation – Experienced in reviewing vendor drawings, preparing Bills of Quantities (BOQs), and ensuring design accuracy.
• Commissioning Protocols – Handson involvement in system commissioning, testing, and validation to meet performance standards.