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

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

We specialise in the maintenance, service, and repair of HVAC systems for commercial, industrial, and government 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.

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

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About the Role

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

This hands-on role involves servicing, maintaining, and repairing a variety of HVAC systems, ensuring reliability, compliance, 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.

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Key Responsibilities

• Perform scheduled servicing and preventative maintenance on HVAC systems 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 and occasional FIFO/ADHOC 8-day rotations (where possible).

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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)

• Proven experience in HVAC fault finding, maintenance, and repair

• Strong commitment to safe work practices and compliance

• Excellent communication and customer service skills

• Ability to mentor apprentices and uphold high standards

Desirable (but not essential):

• Electrical Licence

• High Risk Work Licence (EWP, etc.)

• First Aid / CPR certification

• Familiarity with digital job management systems

• Previous experience in government or regulated environments

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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

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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 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.

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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.

Apply now….

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