Principal Fluid Design Engineer

BAE Systems; Barrow-in-Furness; Hybrid; GBP 55,000 - 75,000; Full time

Job summary

A leading defense contractor seeks a Principal Mechanical Design Engineer in Barrow-in-Furness. The role involves leading the development of complex fluid systems, ensuring technical integrity, and collaborating on submarine projects. Candidates should have a degree in engineering, strong expertise in fluid dynamics, and experience with analysis tools like FloMASTER and MATLAB. The position offers hybrid work arrangements, a competitive pension scheme, and various lifestyle benefits. Submit your application before the closing date of December 19, 2025.

Benefits

Competitive pension scheme

Employee share plans

Flexible health benefits

Qualifications

• Educated to degree level in engineering.
• Experience in mechanical, marine, process, or fluid systems.
• Strong understanding of pressure-drop behaviour.

Responsibilities

• Lead end-to-end development of complex fluid systems.
• Drive advanced system analyses for validation of performance.
• Select and assess critical equipment for submarine environments.

Skills

Fluid dynamics

Thermodynamics

Transient analysis

System performance modelling

Technical expertise in fluid systems

Education

Degree in engineering

Chartered Engineer status

Tools

FloMASTER

FluidFlow

MATLAB

ANSYS

Job description

A leading defense contractor seeks a Principal Mechanical Design Engineer in Barrow-in-Furness. The role involves leading the development of complex fluid systems, ensuring technical integrity, and collaborating on submarine projects. Candidates should have a degree in engineering, strong expertise in fluid dynamics, and experience with analysis tools like FloMASTER and MATLAB. The position offers hybrid work arrangements, a competitive pension scheme, and various lifestyle benefits. Submit your application before the closing date of December 19, 2025.