HVAC (Site Engineer)

Worley; Mumbai; On-site; INR 3,500,000 - 6,000,000; Full time

Job summary

Worley in Mumbai is seeking an experienced HVAC Site Engineer (Field Engineer III) to join our construction team. You will study design basis, read layouts, supervise installation of AHU, PAC, air washer, FCU, and coordinate with multiple trades.

This role requires 15–20 years of site execution experience in HVAC across industrial, pharma, clean room, data centre, or commercial projects, with exposure to ISO classifications and HEPA testing.

Qualifications

• B.E. / B.Tech in Mechanical Engineering (Diploma with experience may be considered).
• 15-20 years of site execution experience in HVAC for industrial, pharmaceutical, clean room, data centre or commercial projects.
• Exposure to clean room projects (ISO 14644-1 classifications) and HEPA filter installation/testing will be an added advantage.

Responsibilities

• Understand the approved HVAC design basis, drawings, specifications, equipment data sheets and contract scope before execution.
• Read and interpret HVAC layouts, P&IDs, isometrics, sections and 3D models (Revit / S3D / Navisworks).
• Supervise installation of HVAC equipment viz. AHU, PAC, Air washer, FCU.
• Oversee ducting fabrication, installation, supports, insulation and leak testing per ASHRAE/SMACNA.
• Verify room wise air flow rates, static pressure, temperature, RH and room pressurization during TAB.
• Carry out material inspection, maintain material reconciliation and raise non-conformance reports.
• Prepare and track daily/weekly progress reports, site measurements and contractor bill certification.
• Ensure site installation matches clash-free 3D model; raise/close RFIs and prepare as-built markups.
• Coordinate with Civil, Architecture, Piping, Electrical, Instrumentation and Safety teams; coordinate with Owner's team and vendors.

Education

B.E. / B.Tech in Mechanical Engineering

Diploma in Mechanical Engineering (with additional relevant experience may be considered)

Job description

Job Description - HVAC (Site Engineer) (MUM02U0)

Company : Worley

Job

Job: Construction

Schedule

Schedule: Full-time

Employment Type : Direct Contractor

Job Posting

Job Posting: Oct 28, 2026

About us

Worley is a global company of energy, chemicals and resources experts headquartered in Australia. We partner with our customers to deliver projects and create value across the life of their assets. We specialize in consulting, engineering, procurement, and construction across the project lifecycle, with services extending through to operations and decommissioning. Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable solutions.
Purpose:

HVAC is a specialized branch of Mechanical Engineering. A person needs exclusive Knowledge of ASHRAE Fundamentals / CIBSE / SMACNA / Standards & NBC guidelines.

The Role

As a Field Engineer III with Worley, you will work closely with our existing team to deliver projects for our clients while continuing to develop your skills and experience etc.

An HVAC Site Engineer is required to perform below mentioned major activities:

• Understand the approved HVAC design basis, drawings, specifications, equipment data sheets and contract scope before execution.
• Ability to read and interpret HVAC layouts, P&IDs, isometrics, sections and 3D models (Revit / S3D / Navisworks).
• Supervise installation of HVAC equipment viz. (a) AHU (b) PAC (c) Air washer (d) FCU.
• Ducting execution – Ensure fabrication, installation, supports, insulation and leak testing of ducts as per ASHRAE / SMACNA Standards.
• Verify room wise air flowrates, static pressure, temperature, RH and room pressurization during Testing, Adjusting & Balancing (TAB).
• Carry out material inspection on receipt, maintain material reconciliation and raise non-conformance reports where required.
• Prepare and track daily / weekly progress reports, site measurements, joint measurement records and contractor bill certification.
• Ensure site installation matches the clash free 3D model; raise and close site queries (RFIs) and prepare as-built markups.
• Co-ordination with Civil, Architecture, Piping, Electrical, Instrumentation and Safety Teams.
• Co-ordination with Owner' s Teams, as well as vendors and sub-contractors.

Additional Responsibilities:

• Lead pre-commissioning, commissioning and performance testing; witness Site Acceptance Tests (SAT) and support handover to the client.
• Enforce site safety (HSE) practices, work permits, PPE usage and quality procedures (ITP / QAP) at all times.
• Participate in site co-ordination meetings, space utilization meetings, adequacy checks of existing HVAC installations, layout studies and resolution of site constraints etc.

About You

To be considered for this role it is envisaged you will possess the following attributes:

• B.E. / B.Tech in Mechanical Engineering (Diploma in Mechanical Engineering with additional relevant experience may be considered).
• 15-20 years of site execution experience in HVAC for industrial, pharmaceutical, clean room, data centre or commercial projects.
• Exposure to clean room projects (ISO 14644-1 classifications) and HEPA filter installation / integrity testing will be an added advantage.

Moving forward together

We want our people to be energized and empowered to drive sustainable impact. So, our focus is on a values-inspired culture that unlocks brilliance through belonging, connection and innovation. We're building a diverse, inclusive and respectful workplace. Creating a space where everyone feels they belong, can be themselves, and are heard.

And we're not just talking about it; we're doing it. We're reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today's low carbon energy infrastructure and technology. Whatever your ambition, there's a path for you here.

And there's no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.