Principal Mechanical Engineer

This role is inside IR35 and will be hybrid working arrangeemnts  The Propulsor team supports the design, manufacture, installation and refurbishment of Submarine Propulsors across multiple Submarine platforms  Typical…

Inside IR35 Hybrid Engineering
Pay rate £57.97/hour
Contract type Contract
Posted 13 October 2026

Trusted. Transparent. Built for contractors. Thousands of UK contractors find their next contract on ContractorUK.

View all engineering jobs ›

About this contract

This role is inside IR35 and will be hybrid working arrangeemnts 

The Propulsor team supports the design, manufacture, installation and refurbishment of Submarine Propulsors across multiple Submarine platforms 

Typical duties include (but are not limited to):
? Developing the design of the Submarine Propulsor
? Assessing suitable materials
? Working with internal and external stakeholders
? Assessing manufacturability of components
? Working with metallic and composite materials
? Working with coating systems
? Ensuring compliance with the cradle to grave design cycle

Knowledge: (Recommended max 5 bullets/statements)
• General Mechanical Engineering
• Working in the design of composite structures
• Understanding of machining capability
• Working with complex assemblies
• Understanding of casting and forging
• Component tolerancing strategies

Apply for this job

You'll complete your application on CV-Library, our jobs partner.

← More engineering jobs

Set up for this contract

ContractorUK partners
Markel Direct IR35 and contractor insurance

Most agencies and clients ask for professional indemnity and public liability before you start.

Get your quote →
Umbrella companies Inside IR35: you will be paid through an umbrella

Compare the umbrella companies listed on ContractorUK before you accept.

Compare umbrellas →

Get new Engineering contracts by email

One email when new matches appear. Unsubscribe with one click.

Prefer to be found? Upload your CV to CV-Library — free

Similar contracts

All engineering jobs →

Project Manager

LA14, Barrow in Furness, Cumbria

Project Manager. We are looking for one contractor Duration: 6 months initial contract with possibility to extend depending on performance. Rate: 35-38/ph The role is Hybrid. It would be 3 days minimum onsite, and 2…

Hybrid Engineering Today
£35 – £38/hour Apply now

NDE Quality Inspector

LA14, Barrow in Furness, Cumbria

Senior Quality Inspector (NDE) BAE Systems | Barrow-in-Furness 12-Month Contract £32.65 PAYE or £43.93 Umbrella | Inside IR35 37 Hours per Week Working Arrangements: 3 On / 4 Off Days - Rate will be increased due to the…

Inside IR35 Engineering Yesterday
£32.65 – £43.93/hour Apply now

Dimensional Control Inspector

LA14, Barrow in Furness, Cumbria

Dimensional Control Inspector BAE Systems | Barrow-in-Furness Duration: 12 months Working Hours: 37 Hours per week (Standard BAE) Working Arrangements: 4 Days per week onsite (Potentially Flexible) Hourly Rate: £35 PAYE…

Engineering 2 days ago
£35 – £47.12/hour Apply now

Production Technician

Barrow in Furness, Cumbria

Production Technician Location: Barrow-in-Furness Department: Morecambe Hub – Terminal Operations Reports to: Production Team Lead Contract: 2 years Job Overview We are seeking an experienced Production Technician to…

Engineering 4 days ago
£380/day Apply now

Welder

Barrow-In-Furness, Cumbria

Welder 📍 Barrow-in-Furness or Govan 💰 £38.70 per hour 📅 12-month contract We are looking for experienced Welders to join major defence engineering projects in Barrow or Govan. The Role Structural steel welding and…

Engineering 6 days ago
£38.70/hour Apply now

Senior Cost Engineer

Barrow in Furness, Cumbria

Cost Control Lead – Established Gas Plant Project Team Morecambe Hub, Barrow-in-Furness Gas / Oil & Gas Operations Contract Opportunity Are you an experienced Cost Control, Commercial or Finance professional looking for…

Engineering 7 days ago
£400 – £450/day Apply now
Apply now