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Caringbah
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Competitive
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Defence
Closing Date:
20 Nov 2026

About the Role

Senior Diving and Hyperbaric Technician  
Caringbah, New South Wales
Full-time, Permanent

Please note that this role requires security checks. 

The Role: 
The Senior Diving & Hyperbaric Technician will play a key role in supporting critical diving operations through the service, maintenance and testing of Military Diving Products and specialist life support equipment. Working to the highest safety and quality standards, you'll deliver hands-on technical support, provide training to customers, and travel to customer sites to ensure equipment remains mission-ready and operationally effective.

What you’ll be doing: 

  • Service, maintain and test a range of commercial and defence diving equipment, including Divex systems.
  • Carry out planned and corrective maintenance, including hydrostatic and pneumatic testing.
  • Complete service records, work instructions and technical documentation accurately.
  • Provide technical support, fault-finding and repairs both in-house and at customer sites.
  • Deliver hands-on training and mentorship to Dive & Hyperbaric Technicians as they progress through the competency framework.
  • Support customer service visits by providing technical expertise and practical assistance.
  • Use JFD systems effectively and collaborate with Engineering to identify service improvements and resolve technical issues.
  • Assist with the coordination and administration of internal and external training programmes, ensuring training plans align with operational requirements.
 What we’re looking for:
  • Mechanical trade qualification or equivalent hands-on engineering experience.
  • Proven experience servicing and maintaining breathing apparatus or commercial/military diving equipment.
  • Strong technical knowledge of Life Support Systems and the ability to interpret engineering drawings.
  • Excellent attention to detail, with a commitment to quality, safety and compliance.
  • Strong communication skills with the ability to train, support and collaborate with colleagues and customers.
  • Well-organised and self-motivated, able to manage priorities independently and as part of a team.
Why join us? 
  • Join a team of people who are passionate about their job. 
  • Opportunity to expand the role and obtain new skills and experience.
  • Contribute to a growing and successful business with an exciting order book.
  • Wellbeing programs – employee assistance program to support you and your immediate family with counselling and support as needed.
  • Flexible working arrangements, including a condensed working week to support a half day every Friday.
  • Generous paid community service leave to support your local community or serve as a defence reservist. 
  • Weekly fruit baskets to keep hunger at bay on busy days. 
  • Free on-site parking. 
  • Novated car leasing options available.
  • Paid Parental Leave Scheme. 

 About Us: 
James Fisher is a global engineering services company operating across Energy, Defence, and Maritime Transport. With a strong heritage in maritime operations, we now deliver innovative solutions in challenging environments. Our One James Fisher strategy is focused on building a unified, sustainable business within the Blue Economy, driving progress through technology, expertise, and collaboration.  

Visit our website at: Home | James Fisher and Sons plc 
For more information about our values and behaviours, follow the link: About us | James Fisher and Sons plc 

James Fisher Defence (JFD), part of the James Fisher Group, is a global leader in underwater capability, delivering cutting-edge diving, submarine rescue, and hyperbaric solutions to both commercial and defence markets. Operating worldwide, JFD is the foremost provider of submarine rescue services and a trusted name in submarine escape training. We’re also at the forefront of hyperbaric rescue innovation and a leading supplier of advanced diving equipment and saturation systems across the industry. Explore more about JFD 

If this sounds like the ideal next step in your career, then click ‘apply’ now!  

Due to the volume of applications, we receive for our vacancies, on occasion applications may close before the deadline, so please apply early to avoid disappointment.  

At James Fisher and Sons, we are committed to taking positive action on diversity and strongly encourage applications from candidates of all backgrounds. We are proud to be a Disability Confident employer and recognise that our success is driven by the talent and diversity of our workforce. 

 

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