Primary Location SA - RAAF Woomera.
Job Description Summary.
We are growing - join our Defence division at Service Stream supporting the PAS contract.
About the Role
We are proud to become a new Australian Department of Defence partner, offering career opportunities to support the delivery of Property and Asset Services across South Australia and the Northern Territory.
We are hiring multiple HVAC Technicians to support us in this contract.
These are permanent full-time positions based at RAAF Woomera.
About us
Service Stream is an equal opportunity ASX-listed business that develops and operates Australia's essential services networks across telecommunications, utilities, transport, defence, and social infrastructure industries - we keep communities connected.
Perks
Career development – we offer growth opportunities and support internal mobility.
You will have access to skill enhancement through our online learning system and onsite training.
Access - discounts for hundreds of businesses such as Woolworths, Air BNB, The Iconic, JB HI-FI, Dan Murphys, Bupa Health Care, and Specsavers.
We also offer access to novated leasing and a share matching program.
Paid leave - parental, cultural, community service, defence, study, corporate volunteering and purchased leave available.
Culture – we are dedicated to fostering a workplace environment that values diversity and inclusion, and meaningful recognition.
You will play a key role in building the culture of our current team.
Responsibilities
Conducting regular preventative maintenance of HVAC systems, including air conditioning units, refrigeration systems, and controlled temperature environments.
Diagnosing and repairing faults in HVAC systems to maintain optimal performance and prevent system failures.
Installing new HVAC systems and components as required, ensuring all installations comply with relevant safety and regulatory standards.




Monitoring and adjusting system controls to ensure efficient operation and compliance with designated temperature settings.
Maintaining accurate records of all maintenance and repair work, including details of parts used and work performed.
Responding promptly to emergency repair requests to minimise downtime and disruption to operations.
Collaborating with other maintenance and engineering teams to resolve complex issues and optimise system performance.
Following all safety protocols and procedures to ensure a safe working environment.
Requirements
A current Australian Refrigeration Mechanic Trade qualification, demonstrating a solid foundation in HVAC systems maintenance and repair.
Demonstrated experience with chilled water systems and all components including chillers, air handling units and BMS control systems.
Proficiency in the use of diagnostic tools and equipment.
ArcTick Refrigerant Handling Licence.
Restricted or Open Electrical Licence.
Valid driver's licence.
These roles run over a DIDO 12:9 roster.
You must be an Australian Citizen and able to obtain and maintain a Defence Security Clearance.
We celebrate diversity at Service Stream and welcome applications from people who identify as Aboriginal and/or Torres Strait Islander, people with a disability or neurodivergence, and those from LGBTIQA+, Veteran or other diverse groups.
Applications are unable to be accepted via email.
If you require any reasonable adjustments to the recruitment process, please email ******.
Company Overview
Service Stream, together with its subsidiaries and affiliates, is a leading national service provider to develop and operate Australia's essential communications, energy and water networks in the telecommunications and utilities industries.
We specialise in the design, construction and maintenance of new and existing networks, and deliver end-to-end engineering and asset management solutions on behalf of our blue chip client base.
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📌 Hvac Technician - Woomera (South Australia)
🏢 Service Stream
📍 South Australia