Job Description

Principal Mechanical Engineers x 10

Principal Mechanical Engineer x 10 are required to work on a six month contract, with the possibility of extension for our Defence client based in Cumbria

Overview of the Principal Mechanical Engineer contract roles

We are looking for a Principal Mechanical Engineer, with industry experience in the design, build and installation of compressed gas and atmospheric management systems and supporting systems and equipment.

You will work as part of a team responsible for a number of compressible gas and atmospheric systems plus interfaces to other systems that form part of our complex and World Class product for our customer the UK Royal Navy. The complex nature of the product may see you being involved in a wide range of activities from all stages of design to supporting our customer, suppliers and resolving build or commissioning issues.

As a Principal Mechanical Engineer, you will be responsible for delivering the engineering systems that make UK Royal Navy Submarines Truly World Class. The complex nature of the product places demands across a range of specialist subject areas, including:

Pressurised air and gas systems

Compressible and non-compressible fluid dynamics

Hydraulic systems

Diesel Generators

Survival and Life support systems

Mechanical systems

Cooling systems

HVAC/Atmosphere control

Your main responsibilities as a Principal Mechanical Engineer will involve:

Executing, evaluating, delivering and managing complex engineering and/or cross functional tasks or programmes of work, recognising stakeholder and customer requirements

Engineering verification and validation activities

Providing engineering evidence and assurance to ensure customer requirements have been met

Contributing to the identification and rapid closure of issues emerging from all product lifecycle stages and to manage the resulting change embodiment activities

Providing engineering advice and capability to support submarine acceptance, build, test and commissioning activities

Key skills required for the Principal Mechanical Engineer


Degree level qualification (or equivalent experience) in relevant STEM subject (Engineering/ Physics/ Maths/ Science)

Demonstrable experience across the full engineering lifecycle of the development and delivery of relevant compressible gas systems and their supporting equipment.

Experience of compressible gas flow calculations.

System of systems problem solving.


Chartered Engineer

Experience in balancing complex design requirements and managing complex documentation packs.

Experience of working with Oxygen systems.

Experience of using computerised flow modelling software such as Flowmaster.

Awareness of diving air systems.

The role is based in Barrow in Furness, Cumbria - commutable from Carnforth, Milnthorpe, Lancaster, Morecambe, Penrith, Workington, Whitehaven and The Lake District

If you are a Mechanical Engineer looking for a new contract either apply online or if would like to find out about other opportunities please contact Paul Scott on or phone 0161 694 9198

Do you know anyone who might be looking for a new role? You could benefit from our candidate referral scheme. Contact me on the above contact details for more information.

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