Site Supervisor

SITE SUPERVISOR

​Based in Queenstown (with travel required in Central Otago and Southland)

Full-time, permanent position - 40h per week

$110K-120K/year, depending on experience

Aquaheat New Zealand is one of New Zealand's most respected HVAC and mechanical project contractors. Alongside our core business, we operate several specialist divisions including AquaFire (fire protection solutions), Colt (louvre and smoke control systems), and Classic Metal (roofing and cladding solutions).

With over 70 years' experience, we deliver end-to-end solutions across commercial, industrial, and infrastructure projects. From heating, cooling, and ventilation to fire protection and roofing, we design, install, and maintain systems that help keep New Zealand running.

About the role:

Supervising trade staff and subcontractors across hydraulic, refrigeration, and HVAC mechanical projects.

Carrying out hands‑on installation of hydraulic, refrigeration, and HVAC plant, equipment, and systems.

Overseeing project planning, scheduling, and delivery to meet timelines and budgets.

Coordinating materials, subcontractors, and the internal trade team to ensure smooth project execution.

Ensuring all installations meet quality, contractual, and industry standards.

Building strong relationships with clients, head contractors, and project stakeholders.

Driving continuous improvement in efficiency, quality, and health & safety.

Championing company values and contributing positively to project outcomes.

About you:

Qualifications

• Trade qualified professional with knowledge and experience across commercial and industrial Hydraulic or Refrigeration and/or HVAC Mechanical projects.
• 5 years post trade experience
• Minimum of 3 years supervisory experience in the Hydraulic or HVAC Mechanical industry preferable with a refrigeration background in an installation environment
• Valid unrestricted NZ Drivers Licence

Demonstrated experience in relevant trade area required

• Installation of Hydraulic or Refrigeration, HVAC & Mechanical Plant
• Proven experience in supervising Hydraulic / Refrigeration and/or HVAC Mechanical installation staff leading by example with a passion for delivering high quality customer satisfaction at all times
• People management expertise with the ability to lead, coordinate, motivate and develop hydraulic, refrigeration and HVAC trade staff to create an efficient workforce
• Knowledge of building and service regulations and statutory obligations
• Ability to schedule work, provide relevant technical expertise and support staff where required to resolve issues that arise in a busy installation operation
• Proven ability to meet deadlines with a diverse range of tasks to manage
• A passion for maintaining a safe working environment
• A commitment to provide excellent customer service
• Proven ability to develop a team and operate in a team environment
• Experienced in the installation of Hydraulic and or Refrigeration & HVAC plant, equipment, and systems in a commercial environment
• Experience in responding to and satisfying customer requests
• Experience with using hand or power equipment
• Experience working within OH&S guidelines
• Co-operative and team orientated
• What's in it for you?

At Horizon Energy Group, you'll enjoy

Career development: ongoing training, upskilling and pathways across the wider Group

Wellbeing support: health checks, flu jabs, EAP, and life & critical illness insurance

Extra leave: enjoy a paid day off on your birthday

Perks & discounts: access to a wide range of corporate discounts

Join a trusted NZ company with 70+ years of industry experience

Supportive team culture: work with people who value safety, teamwork and doing the job right

Our SWITCH Values:

We're after someone who brings real energy to our SWITCH values:

Sustainability – Making smart decisions for our future.

Winning – Taking ownership and delivering results.

Innovation – Finding better ways to get the job done.

Trust – Building strong relationships through honesty and integrity.

Customer Focus – Delivering exceptional service every day.

* Health & Safety – Putting safety first, always.

Applicants must be legally entitled to work in New Zealand.

Our workplaces are drug and alcohol free - all successful applicants will be required to undertake a pre-employment medical.

​So, if you're ready to make an impact? Apply now and help us shape the future.