Mechanical Engineer

James Fisher and Sons plc; Renfrew; Hybrid; GBP 42,000 - 60,000; Full time

Benefits offered by this job

Private Medical Insurance

Life Assurance

Cycle to work scheme

Company Pension

Job summary

James Fisher and Sons plc is seeking two Mechanical Engineers in Inchinnan, Hybrid, to deliver innovative design solutions and provide through-life engineering support across the JFD product range.

You will design, support in-service upgrades, and collaborate with sales, procurement and production to ensure the best technical solution is provided. A mechanical engineering degree or equivalent experience is required, with expertise in design calculations, DFA/DFM, and fabrication methods.

Qualifications

• Mechanical engineering degree or equivalent industry experience.
• Experience generating design calculations.
• Experience with DFA (Design for Assembly) and DFM (Design for Manufacturing).
• Manufacture of prototype components and take design from concept to validation.
• Good knowledge of manufacturing techniques.
• Good knowledge of gas and fluid systems.

Responsibilities

• Assess technical queries and provide engineering design for new products and support existing product range.
• Liaise with internal JFD departments such as sales, procurement, and production to ensure the best technical solution is provided in all instances.
• Sourcing suitable components and materials when required and creation of part numbers and bill of materials.
• Creation and checking of engineering documentation such as manufacturing drawings, specifications, proposals, assembly instructions, test procedures, certification and reports.
• Ensuring engineering solutions are provided on time and on budget.
• Site visits to other JFD offices, client assets and suppliers as and when required.

Skills

Design calculations

DFA/DFM

Prototype fabrication

Gas systems

Fluid systems

Manufacturing knowledge

FEA software

Marine/defence standards

Education

Mechanical engineering degree

Tools

ANSYS

PLM system

Job description

Inchinnan, Hybrid

Please note that this role requires security checks.

The Role

We’re looking for two mechanical engineers to deliver innovative design solutions and provide through‑life engineering support across the JFD product range. Your work will span everything from developing new products that meet client or internal specifications to supporting in‑service equipment upgrades and modifications. Experience with commercial or military diving equipment or dive systems is a strong advantage, and familiarity with submarines or submersibles would also be highly beneficial. Experience designing, surveying or constructing large steel structures and / or pressure vessels would be an advantage.

About The Role

• Mechanical Engineer
• Permanent, Full-time
• Inchinnan, Hybrid
• Please note that this role requires security checks.

What You’ll Be Doing

• Assess technical queries and provide engineering design for new products and support existing product range.
• Liaise with internal JFD departments such as sales, procurement, and production to ensure the best technical solution is provided in all instances.
• Sourcing suitable components and materials when required and creation of part numbers and bill of materials.
• Creation and checking of engineering documentation such as manufacturing drawings, specifications, proposals, assembly instructions, test procedures, certification and reports.
• Ensuring engineering solutions are provided on time and on budget.
• Site visits to other JFD offices, client assets and suppliers as and when required. What we’re looking for:
• Demonstrate experience in a similar role.
• Mechanical engineering degree or equivalent industry experience.
• Skilled in generating design calculations.
• Be able to work with DFA (Design for Assembly) and DFM (Design for Manufacturing).
• Manufacture of prototype components and take design from concept to validation.
• Good knowledge of manufacturing techniques.
• Good knowledge of gas and fluid systems.
• Knowledge of Fabrication methods and best practices. Nice to have:
• Knowledge of design standards and industry guidelines such as IMCA, ASME, PD5500 etc. is advantageous.
• Experience working to marine, defence standards and class society rules (mainly LR and DNV) are advantageous.
• Experience performing FEA structural analysis using appropriate software (ANSYS) advantageous.
• Product design experience is advantageous.
• Experience with Product Lifecycle Management system for generating and storage of engineering packages is advantageous.
• Previous underwater equipment design experience is advantageous

Why Join Us?

• 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

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.

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.