HVAC Engineer - Chennai HQ

Job Description

HVAC Design Engineer – Job Description for O2 / M1A

(Note: This JD was prepared to suit the requirement for WET IC – Water international Desalination projects – May’ 2025 Rev: 0 )

Job Roles

• Sr. Lead Designer / Assistant Manager Design
  
  

Qualifications

• BE / B.Tech in Mechanical Engineering .
  
  

Experience Required

Minimum 5+ years of solid, hands-on experience in HVAC design, especially within:

• Desalination Plants , Effluent Treatment Plants , Refineries & Power and Process Industries
  
  

Key Responsibilities

• HVAC System Design:
• Perform detailed heat load/cooling load calculations, airflow design, and head loss calculations for primary and secondary pumping systems.
• Design HVAC systems including equipment sizing and selection (e.g., chillers, cooling towers, AHUs, FCUs, VRFs, ventilation fans).
• Plan and optimize ductwork layouts, piping networks (chilled water, condenser water, hot water, refrigerant, VRF), and HVAC control strategies.
• Prepare design basis reports, concept design drawings, and detailed engineering drawings/specifications.
• Technical Documentation & Procurement:
• Prepare Bills of Quantity (BOQ), Technical Specifications, Request for Quotations (RFQs), and Technical Bid Evaluations (TBEs).
• Review and comment on vendor engineering documentation, ensuring alignment with design intent and specifications.
• Coordinate with procurement and vendors to expedite documentation, manufacturing, and site work completion.
• Compliance & Standards:
• Ensure full compliance with local, state, and national building codes, as well as international design standards including ASHRAE, SMACNA, DW, BS, NFPA, and SBC.
• Maintain high quality and safety standards throughout the engineering process.
• Coordination & Client Interaction:
• Collaborate with clients, architects, and multidisciplinary project teams to define HVAC requirements and design objectives.
• Participate in technical meetings with clients, consultants, and vendors.
• Conduct site visits and vendor workshop inspections as required.
  

Required Skills & Tools

• Proficiency in HVAC calculation and design software, including:
• HAP (Hourly Analysis Program)
• Duct Sizer, Pipe Sizer
• Elite Software
• Navisworks
• AutoCAD
• Equipment Selection Tools (various OEM platforms)
• Strong understanding of energy-efficient system design and sustainability principles in HVAC applications.
• Capable of space planning for HVAC plant rooms and major components like AHUs and fans.
  

Soft Skills

• Strong problem-solving and analytical skills.
• Excellent communication and coordination abilities.
• Ability to manage deadlines and work across multidisciplinary teams in fast-paced project environments.