Senior Engineer-HVAC (Sustainability and IES VE)

Jacobs; Chennai District; Hybrid; INR 1,200,000 - 2,100,000; Full time

Job summary

Jacobs in Chennai seeks a Senior Energy Modeler to lead building energy simulations and HVAC design analyses. You will model energy performance using IES VE and related tools, and mentor project teams to deliver high-quality results.

You will collaborate with multidisciplinary teams, ensure compliance with ASHRAE 90.1, ECBC and LEED, and support sustainable design across complex projects in a hybrid work environment.

Qualifications

• Degree in Mechanical Engineering with relevant work experience.
• Mandatory experience in IES VE for building energy modelling.
• Proficiency in IES modules: ModelIT, Apache, ApHVAC, Vista Pro.
• Experience in baseline and proposed models per standards.
• Knowledge of energy compliance (ASHRAE 90.1, ECBC, LEED).
• Strong understanding of building physics and HVAC load calculations.

Responsibilities

• Lead energy modeling strategy and deliver advanced simulations.
• Mentor teams and drive client engagement.
• Collaborate with multidisciplinary teams to meet project requirements.
• Ensure energy codes and green building standards compliance.
• Contribute to sustainable building design and energy optimization.
• Work as an individual contributor when needed.

Skills

Energy modeling

HVAC design

Client engagement

Team mentoring

Building energy simulations

Codes & standards

Education

Bachelor's in Mechanical Engineering

Tools

IES VE

ModelIT

Apache

ApHVAC

Vista Pro

Job description

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.

Your impact

Job Summary

Sustainability and Energy modeler should have work experience in HVAC system design calculation along with energy modelling work. Following is the brief skill requirement,

• The role includes leading energy modeling strategy, mentoring teams, driving client engagement, and delivering advanced simulation solutions
• Responsible for performing detailed building energy simulations and HVAC system analysis using IES VE and other tools.
• The role involves supporting sustainable building design, optimizing energy performance, and ensuring compliance with energy codes and green building standards (ASHRAE, ECBC, LEED).
• The candidate will collaborate with multidisciplinary teams to deliver high-quality, energy-efficient design solutions aligned with client and project requirements.
• Should possess strong knowledge of HVAC system design, load calculations, and building physics.
• Able to work as an individual contributor and taking input from other disciplines at the different stage of the project.

Here's what you'll need

Technical and Development

• Degree in Mechanical Engineering from a reputed institute and having good work experience
• Working experience in IES VE (mandatory) for building energy modelling.
• IES software knowledge with all modules, such as ModelIT, Apache, ApHVAC, Vista Pro
• Having work experience in setup of proposed and baseline models as per standard compliance
• Ability to perform
• Whole building energy simulation
• Daylighting and thermal comfort analysis
• Ventilation and airflow studies
• Having work experience HVAC system design, load calculations, and equipment sizing.
• Experience in energy compliance modeling (ASHRAE 90.1, ECBC, LEED).
• Knowledge of psychometrics, heat transfer, and building envelope performance.

AtJacobs we value people. Having the right balance of belonging, career and lifestyle enables us to consistently deliver and exceed clients’ expectations.

Working alongside industry leaders, you will have the opportunity to develop your career working on key projects in an environment which encourages collaboration, knowledge sharing and innovation. To support your professional growth, Jacobs flexible working arrangements, extended leave options and a host of social, health and wellbeing events and initiatives will underpin our commitment to you.

At Jacobs it’s all about what you do, not where you are, which counts!

We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support.