HVAC Service Technician

HVAC Service Technician

Location: Based in Adelaide (Woodville HQ), with oversight of metro & regional operations

Division: Mararna Pty Ltd – A member of the Araveco Group

At Mararna, we specialise in the maintenance, service, and repair of HVAC and refrigeration systems for commercial and industrial clients.

Our team values safety, cultural integrity, and client satisfaction, and we’re committed to providing meaningful career pathways for all employees while upholding the highest standards of service, safety, and compliance.

Marana is part of the ARAVECO Group, which means you’ll be joining a company backed by a national network that values innovation, teamwork, and continual improvement.

About the Role

We’re looking for an experienced and motivated HVAC / Refrigeration Service Technician to join our growing team.

This hands-on role involves servicing, maintaining, and repairing a variety of refrigeration and air conditioning systems, ensuring reliability, compliance, efficiency, innovation and quality for our clients across South Australia.

You’ll play a key role in maintaining critical assets, supporting apprentices, and ensuring safety and compliance on every job, all while representing a company that takes pride in doing things the right way.

• Relocation package considered for right candidate.

Key Responsibilities

• Perform scheduled servicing and preventative maintenance on Air conditioning and refrigeration and associated components.
• Diagnose and repair faults, complete adjustments, and replace parts as required.
• Prepare detailed service reports, safety documentation, and asset condition records.
• Adhere to all site and company WHS procedures, including JSEAs, SWMS, and permit systems.
• Conduct risk assessments prior to works and report any hazards or incidents.
• Supervise and mentor apprentices, promoting safe and compliant work practices.
• Liaise with clients, office staff, and management to ensure clear communication.
• Participate in on-call and weekend rosters
• FIFO/ADHOC opportunities available

About You

You’re a skilled HVAC technician who takes pride in your work, values safety, and delivers quality service every time. You’re self-motivated, adaptable, and enjoy working both independently and as part of a professional team.

You’ll bring:

• Certificate III in Air Conditioning and Refrigeration (or equivalent)
• Current ARCtick Refrigerant Handling Licence
• Valid Driver’s Licence and White Card (Construction Induction)
• Willing and able to obtain a Defence Clearance Access Card (DCAC)
• Valid Working with Children’s clearance
• Proven experience in HVAC fault finding, maintenance, and repair
• Collaboration with BMS and Mechanical sub-contractors for routine maintenance and repair
• Strong commitment to safe work practices, compliance and updating of SWMS documentation for any variations of works.
• Excellent communication and customer service skills
• Ability to mentor apprentices and uphold high standards

Desirable (but not essential):

• Central Plant and BMS experience     
• Electrical licence (Unrestricted A-class)
• High Risk Work Licence (EWP, etc.) If required, training will be provided
• First Aid / CPR certification If required, training will be provided
• Valid SAPOL clearance
• Familiarity with digital job management systems
• Previous experience in government or regulated environments

What’s In It For You?

At Mararna, we take care of our people, because we know our success depends on your success.

We offer:

• Fully maintained company vehicle or car allowance
• Monthly Rostered Day Off (RDO)
• Company smartphone, uniforms, and PPE
• Ongoing training and upskilling opportunities
• A supportive team culture that values respect and accountability
• The chance to work for a First Nations business making a real difference in our industry

Our Commitment to Culture & Safety

We’re proud to operate as a culturally safe and inclusive workplace where everyone is encouraged to bring their best selves to work.

We strongly encourage Aboriginal and Torres Strait Islander peoples to apply.

Mararna Pty Ltd is a proudly First Nations-owned business delivering professional HVAC and Mechanical Services across metropolitan and regional South Australia.

Mararna acknowledges the Kaurna people as the Traditional Custodians of the land on which we work and live, and we pay our respects to Elders past, present, and emerging.

Ready to Join Us?

If you’re a motivated HVAC professional looking to join a company that values culture, safety, and excellence, we’d love to hear from you – just simply apply via Seek.