Mechanical Engineer – Green Building & Sustainability

GREENA CONSULTANTS PTE. LTD.; Singapore; On-site; SGD 55,000 - 85,000; Full time

Job summary

GreenA Consultants Pte. Ltd. is seeking a Mechanical Engineer with a passion for green building to design and optimize building systems for high-performance, low-impact environments.

You will collaborate with sustainability experts and project partners to deliver energy-efficient HVAC and energy system solutions, perform energy analyses, and support certifications such as Green Mark, LEED, and WELL.

Qualifications

• Degree in Mechanical Engineering or related discipline.
• 2–5+ years of experience in mechanical building services or sustainable design.
• Strong understanding of HVAC fundamentals and building energy performance.
• Experience with Revit, AutoCAD, IES, EnergyPlus, or similar tools.
• Passionate about sustainability and decarbonization.
• Strong analytical, communication, and problem-solving skills.

Responsibilities

• Design sustainable HVAC and energy systems for new and existing buildings.
• Perform energy analysis / audit, load calculations, and system performance modeling.
• Support sustainability certifications (e.g., Green Mark, LEED, WELL) and environmental compliance.
• Evaluate low-carbon technologies and high-efficiency system strategies.
• Prepare engineering reports, specifications, and drawing packages.
• Work closely with multidisciplinary project teams from concept to commissioning.
• Conduct site assessments, inspections, and verification for system performance.

Skills

HVAC fundamentals

Building energy performance

Energy analysis

Revit

AutoCAD

IES/EnergyPlus

Sustainability

Decarbonization

Analytical skills

Communication

Problem-solving

Education

Degree in Mechanical Engineering or related discipline

Tools

Revit

AutoCAD

IES

EnergyPlus

Job description

reenA is on a mission to accelerate sustainable development through innovative engineering and environmentally responsible design. We are seeking a motivated Mechanical Engineer with a passion for green building, energy efficiency, and low-carbon solutions to join our growing team.

About the Role

As a Mechanical Engineer at GreenA, you will design and optimize building systems that support high-performance, low-impact built environments. You will collaborate with our sustainability experts and project partners to deliver solutions that align with GreenA’s commitment to resilient, efficient, and future-ready buildings.

Key Responsibilities

• Design sustainable HVAC and energy system for new and existing buildings
• Perform energy analysis / audit , load calculations, and system performance modeling
• Support sustainability certifications (e.g., Green Mark, LEED, WELL) and environmental compliance
• Evaluate low-carbon technologies and high-efficiency system strategies
• Prepare engineering reports, specifications, and drawing packages
• Work closely with multidisciplinary project teams from concept to commissioning
• Conduct site assessments, inspections, and verification for system performance

Requirements

• Degree in Mechanical Engineering or related discipline
• 2–5+ years of experience in mechanical building services or sustainable design
• Strong understanding of HVAC fundamentals and building energy performance
• Experience with Revit, AutoCAD, IES, EnergyPlus, or similar tools
• Passionate about sustainability and decarbonization
• Strong analytical, communication, and problem-solving skills

Preferred Experience

• Experience with different green building tools , EDGE , LEED, or equivalent certifications
• Knowledge of embodied carbon, lifecycle assessment, or net-zero strategies

Why Join GreenA?

• Work on impactful, sustainability-focused projects shaping the future of the built environment
• Collaborative, mission-driven culture committed to innovation and continuous improvement
• Training and support for professional growth and certifications
• If you're inspired to drive sustainable change through engineering excellence, we’d love to hear from you.