Senior Mechanical Design Engineer - Naval Fluid Systems

BAE Systems - Saudi Arabia for expatriates; Barrow-in-Furness; Hybrid; GBP 46,000 - 55,000; Full time

Job summary

A leading defense contractor in the UK is seeking a Principal Mechanical Design Engineer to lead the development of complex fluid systems. The successful candidate will shape designs that meet rigorous environmental and performance requirements. Essential qualifications include a degree in Mechanical Engineering and solid expertise in fluid dynamics. This role offers competitive compensation and a range of flexible working arrangements. Closing date for applications is December 19, 2025.

Benefits

Competitive pension scheme

Employee share plans

Flexible discounted health plans

Private health plans

Shopping discounts

Qualifications

• Must be educated to degree level, Chartered Engineer status preferred.
• Solid background in mechanical, marine, process, or fluid systems engineering.
• Strong knowledge of fluid dynamics and thermodynamics is essential.

Responsibilities

• Lead the development of complex fluid systems.
• Create and review engineering deliverables including schematics and 3D models.
• Conduct advanced system analyses to validate performance.

Skills

Fluid dynamics

Thermodynamics

Pressure-drop behaviour

Transient analysis

System performance modelling

Education

Degree in Mechanical Engineering or related field

Tools

FloMASTER

FluidFlow

MATLAB

CFD packages

ANSYS

Job description

A leading defense contractor in the UK is seeking a Principal Mechanical Design Engineer to lead the development of complex fluid systems. The successful candidate will shape designs that meet rigorous environmental and performance requirements. Essential qualifications include a degree in Mechanical Engineering and solid expertise in fluid dynamics. This role offers competitive compensation and a range of flexible working arrangements. Closing date for applications is December 19, 2025.