Trainee Supervisor - Capstone Air and Solar

About the Role

As a Trainee Air Conditioning Supervisor, you will play a key role in supporting the coordination and supervision of air conditioning installations across residential construction projects. You’ll work alongside experienced supervisors and subcontractors to ensure installations are completed safely, efficiently, and to high-quality standards.

This role is hands-on, giving you the chance to develop specialised skills in air conditioning systems, including planning installations, managing trades and suppliers, conducting site inspections, and ensuring compliance with Australian Standards and WHS requirements. You will also gain valuable administrative and reporting experience, preparing you for a future leadership role in air conditioning supervision.

About You

You are passionate about starting a career in air conditioning supervision and eager to develop your technical and leadership skills. You will have:

• A current driver’s licence
• A Construction White Card and First Aid Certificate (or willingness to obtain)
• An interest in learning about air conditioning systems, installation processes, and compliance standards
• Strong communication skills to work with subcontractors, suppliers, and internal teams
• A practical, problem-solving mindset and the ability to manage priorities on site
• Confidence in using IT systems and construction-related software
• A team-oriented attitude with a willingness to learn and progress into a supervisory role

This is the perfect opportunity to launch a rewarding career in air conditioning supervision, gain hands-on experience, and grow into a leadership position within a growing, professional team.

What we offer

We believe in providing the best work environment for our staff.

Everything from our culture, our inclusions and our office has been based around our Built Around People philosophy.

• Permanent fulltime position
• Flexible working hours
• Corporate. company and supplier discounts
• Wellness programs
• Rewards and Recognition programs
• Ongoing training and development
• Industry leading culture

Who we are

Capstone Air & Solar is a specialist provider of smart air‑conditioning and solar energy solutions, bringing over 30 years of experience in designing and installing climate comfort systems for residential homes across Perth. As part of the Summit Homes Group, Capstone’s integrated systems are smart, energy‑efficient, and built to last, helping homeowners stay comfortable and reduce energy costs with quality installations and ongoing support.

Our expert team delivers tailored ducted and split system air‑conditioning, smart zone climate control, solar power systems, and ongoing service support—backed by trusted technology and local expertise. Capstone is proud to be locally trusted in WA with solutions designed, installed, and supported with care.

We value professionalism, quality outcomes, and a customer‑centric approach. This creates an environment where our people can grow their skills in air‑conditioning technology and system delivery while contributing to exceptional home comfort solutions every day. 

Where you’ll be working

This role will be based at Capstone Air & Solar, conveniently located at 79 McCoy Street, Myaree, directly behind the Summit Homes Group head office and alongside our other subsidiary businesses.

You’ll work in a modern, professional environment with access to state-of-the-art facilities, collaborative workspaces, and a supportive team culture. Being co-located with Summit’s broader operations provides unique opportunities to connect with colleagues across construction, property, and energy divisions, fostering learning, innovation, and career growth within a leading WA organisation.

Applications close on October 1st 2026 (Summit Homes group reserves the right to remove advertised roles before this date)

We accept that everyone is unique. We believe that our differences make us stronger, and our success is enhanced by the diversity within our teams. We encourage applications from First Nations people, those identifying as LGBTQIA+, females, people of all ages, with disabilities and culturally and linguistically diverse people.