Principal – Building Performance, Sydney

- Location: Sydney, NSW
- Position: Principal
- Experience: 10+ years
- Sector: Building Services / Property / Building Performance
- Remuneration: Highly competitive, commensurate with experience and potential

Geronimo Advisory is growing, and we’re looking for an experienced consultant to join our Sydney team.

We are seeking an experienced building services and building performance professional who is passionate about improving the performance, sustainability and value of existing buildings.

This is an exciting opportunity to join Geronimo Advisory, an independent building performance and sustainability consultancy working with leading property owners, asset managers, investors and facilities teams across Australia.

About the role

As a principal, you will play a key role in growing our Sydney business, leading client relationships and delivering high value building performance outcomes.

We are particularly interested in someone with:

- 10+ years’ experience in building services, with a strong preference for Mechanical Engineering experience
- Demonstrated experience in existing building performance, energy & water efficiency and sustainability
- Strong understanding of building services systems and how they influence building performance
- Experience working with commercial property owners, asset managers, investors, facilities managers and property managers
- An established industry network and client relationships across the Sydney property sector
- Ability to work and deliver independently
- Experience identifying and delivering energy, carbon, water and operational improvement opportunities
- Robust commercial, consulting and project management skills
- Excellent communication and stakeholder management capabilities




- The ability to identify opportunities, develop client relationships and contribute to business growth

What you’ll do

You will have the opportunity to:

- Lead building performance and sustainability projects across existing buildings
- Work directly with property owners, asset managers and investment teams
- Develop and maintain senior client relationships
- Identify building optimisation, energy efficiency, electrification and renewable energy opportunities
- Lead Net Zero Transition and broader building performance initiatives including performance certifications such as NABERS, Green Star Performance, GRESB
- Provide strategic advice that delivers measurable operational, financial and environmental outcomes
- Help grow Geronimo Advisory’s Sydney presence and client base
- Collaborate with our Principals and technical specialists across Melbourne and Perth as well as work and deliver independently
- Hybrid working with minimum of 3 days in Office

Why Geronimo Advisory?

We are a specialist, independent consultancy focused on making buildings perform better.

You’ll have the opportunity to work closely with senior property decision-makers, influence real outcomes across major Australian property portfolios, and be part of a growing team that combines technical expertise, sustainability and practical building optimisation.

This is not simply a technical role - we are looking for someone who wants to build relationships, lead, influence and grow.

If you are an experienced building services or building performance professional with strong industry relationships and are looking for an opportunity to make a meaningful impact, we’d love to hear from you.

Please send your CV and a brief introduction to Mathuran Marianayagam to discuss the opportunity.

Geronimo Advisory - Making Buildings Perform Better!

📌 Principal (Sydney)
🏢 Geronimo Advisory
📍 Sydney