Hybrid Principal Mechanical Design Engineer – Submarine

BAE Systems; Broughton in Furness; Hybrid; GBP 46,000 - 55,000; Full time

Job summary

A leading defense contractor in the UK seeks a Principal Mechanical Design Engineer to lead the development of complex fluid systems for submarines. This role ensures that designs meet high-performance and safety standards in a challenging engineering environment. Candidates should possess a degree in engineering, with strong knowledge in fluid dynamics and experience in a regulated setting. Competitive benefits include flexible working arrangements and employee share plans. The position offers the opportunity to contribute to next-generation naval capability.

Benefits

Competitive salary

Pension scheme

Employee share plans

Flexible health benefits

Qualifications

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

Responsibilities

• Lead development of complex fluid systems and ensure performance requirements are met.
• Create and review engineering deliverables including schematics and models.
• Drive advanced system analyses to validate performance.
• Select and assess critical equipment for submarine environments.
• Contribute to design quality and safety through reviews and hazard studies.

Skills

Fluid dynamics

Thermodynamics

Pressure-drop behaviour

Transient analysis

System performance modelling

Education

Degree in Engineering

Chartered Engineer status (desirable)

Tools

FloMASTER

FluidFlow

MATLAB

CFD packages

ANSYS

Job description

A leading defense contractor in the UK seeks a Principal Mechanical Design Engineer to lead the development of complex fluid systems for submarines. This role ensures that designs meet high-performance and safety standards in a challenging engineering environment. Candidates should possess a degree in engineering, with strong knowledge in fluid dynamics and experience in a regulated setting. Competitive benefits include flexible working arrangements and employee share plans. The position offers the opportunity to contribute to next-generation naval capability.