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Energy Sustainability Engineer (HVAC / Energy Conservation)

Barghest Building Performance Pte. Ltd.

D05 Pasir Panjang, Hong Leong Garden, Clementi New TownFull TimeS$4,100 – S$5,500/mo

Posted 30 Jun 2026

About this role

Purpose of the role The position is responsible for conducting Level 1 to Level 3 Energy Audit of HVAC systems, identifying and qualifying energy efficiency opportunities in new and existing buildings through the improvement of HVAC systems. The Energy Sustainability Engineer will be responsible for the design, development, and evaluation of the opportunity to reduce energy costs and improve energy efficiency of the HVAC systems. Main Accountabilities Support Sales in the pre-qualification and conduct desktop analysis of the client opportunity Plan, organize, lead internal team to implement site measurement plans and deploy instruments to measure parameters such as water flow rate, water pressure, energy consumption, temperatures, etc. Perform on-site energy efficiency audits to identify Energy Conservation Measures (ECM) on HVAC systems (Chillers, Pumps, Cooling Towers, Air Handling Units) Perform conceptual design, analysis, preparing BOQ of the ECM and present the proposal to sales and management. Coordinate, lead and inspect on-site work and installations performed by suppliers, consultants, and contractors during on-site survey Ensure a clear documentation for proper project hand-over with the Project Team and supports the Project Team during kick-off phase Qualifications Degree or Diploma in Electrical or Mechanical Engineering, Controls, Energy or Environmental Engineering 2-5 years’ experience in an Energy or Mechanical Engineering position. Professional Energy/Sustainability related certification such as Singapore Certified Energy Manager (SCEM), BCA Energy Auditor, or BCA Green Mark Accredited Professional is a plus Specialist qualification in Refrigeration and Air-conditioning and Energy Management will be an added advantage Strong knowledge of energy efficiency methodology of HVAC system (Chillers, Pumps, Cooling Towers, Air Handling Units) Strong knowledge of refrigeration system will be an added advantage Hands-on experience of instrumentation installations (power meters, temperature sensors, and pressure sensors, flow meters) is preferred Good knowledge in MS Office, especially in-depth knowledge in MS Excel Strong written and oral communication skills for customer interaction and report writing A willingness to learn and work in a team environment with extensive contact with clients Ability to work autonomously and independent with little oversight. ndependent and self-starter with strong analytical and troubleshooting skills

What they're looking for

Energy Management and AuditReport WritingCustomer InteractionChillers

About Barghest Building Performance Pte. Ltd.

Industry: Professional & technical servicesWebsite ↗

Frequently asked questions

What does a Energy Sustainability Engineer (HVAC / Energy Conservation) at Barghest Building Performance Pte. Ltd. do?

Purpose of the role The position is responsible for conducting Level 1 to Level 3 Energy Audit of HVAC systems, identifying and qualifying energy efficiency opportunities in new and existing buildings through the improvement of HVAC systems. The Energy Sustainability Engineer will be responsible for…

What skills does this Energy Sustainability Engineer (HVAC / Energy Conservation) role need?

Key skills for this role include Energy Management and Audit, Report Writing, Customer Interaction, Chillers.

How much does a Energy Sustainability Engineer (HVAC / Energy Conservation) at Barghest Building Performance Pte. Ltd. pay?

This role lists a salary of S$4,100 – S$5,500 per month.

Is this Energy Sustainability Engineer (HVAC / Energy Conservation) role remote, hybrid, or on-site?

The listing is based in D05 Pasir Panjang, Hong Leong Garden, Clementi New Town. Check the posting for remote or hybrid options.

How do I apply for this Energy Sustainability Engineer (HVAC / Energy Conservation) role?

You can apply directly on Barghest Building Performance Pte. Ltd.'s careers page. ApplyLah can tailor your résumé and cover letter to this exact role in seconds first.