Mechanical Technician

Full-time, Permanent

Please note that this role requires security checks.

We are seeking a Mechanical Technician to support the assembly, maintenance, and development of advanced rebreather systems. This role is ideally suited to candidates with hands-on mechanical experience and an understanding of life-support or pressurised systems. Working within a controlled engineering environment, the role will help ensure all work is completed safely, accurately, and in line with quality and compliance requirements.

Westhill, Aberdeenshire

• Assembly, testing, and maintenance of rebreather units and associated mechanical components.
• Fault finding and repair of complex mechanical systems.
• Support product development, prototyping, and continuous improvement activities.
• Follow strict quality, safety, and compliance procedures in a controlled environment.
• Complete documentation of build processes, inspections, and test results.
• Interpret technical drawings and follow structured build and test procedures.
• Maintain a clean, organised, and safe workshop environment that supports productivity and compliance.
• Build positive working relationships through clear communication, collaboration, and constructive feedback.

• Strong mechanical aptitude with experience in precision assembly or engineering environments.
• Experience working with complex systems involving valves, regulators, or pressurised equipment.
• Ability to interpret technical drawings and follow structured procedures.
• High attention to detail with a safety-first mindset.
• Methodical, disciplined, and quality-focused approach to work.
• Comfortable working in regulated or safety-critical environments.
• Strong problem-solving skills and the ability to work independently or as part of a team.

• Royal Navy diving experience, particularly clearance divers or engineering support roles.
• Commercial or recreational scuba diving experience, especially familiarity with rebreathers.
• Experience in life-support systems, marine engineering, defence, or subsea environments.

• 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. 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.

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.