System Mechanical Technician

Full-time, Permanent

Please note that this role requires security checks.

As part of the National Hyperbaric Chamber (NHC) Workshop team, the System Mechanical Technician supports the service and upkeep of our products both on‑site and away from base. You’ll work hands‑on, helping install, test, and commission Dive Saturation systems and associated diving equipment onboard Dive Support Vessels alongside project managers and the wider technical team.

You’ll also play a key role in our asset and maintenance activities—making sure all mechanical elements of fixed dive systems, portable HRFs, LSPs, and life‑support equipment are always ready for use.

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• Carry out planned and unplanned maintenance on all NHC dive systems, including PHRFs, LSPs, and supporting equipment.
  
• Prioritise and record all maintenance tasks in TM Master, ensuring accurate and complete job documentation.
  
• Respond to breakdowns and support repairs on client‑owned equipment when needed.
  
• Raise requisitions for spare parts and ensure the correct components are available for ongoing work.
  
• Work in accordance with all relevant IMCA DESIGN standards (DO18/23/24/53/63).
  
• Provide flexibility for rota/shift work to support trials, tests, verification activities, and general workshop operations.
  

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• Have completed a recognised technical apprenticeship/training programme (SVQ or equivalent), or able to demonstrate relevant industry experience in a similar mechanical technician role.
  
• Hands‑on experience with breathing equipment, compressors, and general mechanical assembly.
  
• Competent in small‑bore pipework, welding, and soldering.
  
• Basic electrical aptitude and the ability to read technical drawings, datasheets, and work instructions.
  
• Understanding of QA, Health & Safety practices, and IMCA guidelines/standards.
  
• Knowledge of diving equipment and life‑support systems.
  
• Confident using Microsoft Office and general IT tools.
  

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• Early finish on Fridays
  
• Competitive salary and benefits package aligned with experience (Private Medical Insurance, Life Assurance, Cycle to work scheme, Company Pension, etc.)
  
• Clear pathways for career development and organisational visibility
  
• Inclusive and supportive culture that values individual contributions
  
• Meaningful work with impact across safety, innovation, and global operations
  

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.

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.

James Fisher and Sons are committed to taking positive action on diversity and strongly encourage applications for candidates from all backgrounds. We are proud to be a Disability Confident employer and recognise that our success depends on our talented and diverse workforce.

Apply now and avoid disappointment—applications may close before the deadline due to high volume of interest.