Hybrid Principal Mechanical Design Engineer – Submarine

BAE Systems; Ulverston; Hybrid; GBP 55,000; Full time

Job summary

A leading defense and aerospace company is seeking a Principal Mechanical Design Engineer in Barrow-in-Furness. You will lead the development of complex fluid systems and ensure designs meet stringent performance and safety standards. A background in mechanical or marine engineering is essential, with expertise in fluid dynamics and thermodynamics. This role offers relocation support and an inclusive culture that values diversity. Competitive salary and comprehensive benefits package included.

Benefits

Flexible working arrangements

Competitive pension scheme

Employee share plans

Health, wellbeing, and lifestyle benefits

Qualifications

• Educated to degree level, with Chartered Engineer status highly desirable.
• Solid background in mechanical, marine, process, or fluid systems engineering required.
• Strong knowledge of fluid dynamics and thermodynamics.
• Demonstrated expertise in compressible and incompressible fluid systems design.

Responsibilities

• Lead the end-to-end development of complex fluid systems.
• Create and review high-value engineering deliverables.
• Drive advanced system analyses for performance validation.
• Select and assess critical equipment for submarine environments.
• Champion technology integrity by reviewing supplier documentation.

Skills

Fluid dynamics

Thermodynamics

Pressure-drop behaviour

Transient analysis

System performance modelling

Education

Degree in Mechanical Engineering

Tools

FloMASTER

FluidFlow

MATLAB

ANSYS

Job description

A leading defense and aerospace company is seeking a Principal Mechanical Design Engineer in Barrow-in-Furness. You will lead the development of complex fluid systems and ensure designs meet stringent performance and safety standards. A background in mechanical or marine engineering is essential, with expertise in fluid dynamics and thermodynamics. This role offers relocation support and an inclusive culture that values diversity. Competitive salary and comprehensive benefits package included.