Mechanical Design Engineer

World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer subcontractors on an initial 6 month contract. This role would suit a Mechanical Design Engineer who comes from a strong…

Inside IR35 Hybrid Engineering
Pay rate £50/hour
Contract type Contract
Posted 15 September 2026

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About this contract

Overtime Rate

World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer subcontractors on an initial 6 month contract.

This role would suit a Mechanical Design Engineer who comes from a strong Defence or Aerospace background has strong Creo / PRO-E skills.    
    
Job Title:  Mechanical Design Engineer
Rate: £50.00 per hour
Location: Stevenage or Bristol (depending on your preference)
Hybrid / Remote working: 4 days a week likely onsite (likely could be lower on a week by week basis; depending on work). 1 day remote. (flexible on start and finish time).
Contract: 37 Hours per week
Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’
Duration: 6 Months (initially and then ongoing and long-term thereafter)
IR35 status: Inside IR35 (Umbrella)

Mechanical Design Engineer Job Description:

An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will work closely with other functional teams, to develop products to meet our customer’s needs. Within this role you will have the opportunity to undertake cutting-edge research of novel mechanical technologies to meet the challenges of tomorrow.

Responsibilities:

Carry out Mechanical Design and proving activities as part of a wider team for prime and variant products, of both piece parts and assemblies.
Support/liaise with manufacturing, resolving manufacturing problems & defects.
Support to functional & environmental testing and trials.
Liaise with suppliers/purchasing to resolve any technical queries that may arise.
Planning and reporting on own day-to-day activities to meet project milestones.
Gain clarification of and help to generate requirements, including challenging of extraneous requirements to reduce lead time, UPC and design complexity
Skillset/experience required:

Experience using Creo 3D design tool
Knowledge of several of the following……………..

Manufacturing processes
Tolerance studies
Environmental test
Mass property calculations
Material selection
FMEA
Design for Manufacture/Assembly
Environmental Gasket Sealing
Tooling/fixtures design
Structural design
Defence Standards
Review processes
Product Lifecycles
Industrial validation
An ability to work as part of a multifunctional engineering team and be able to partake in or host design reviews.
An appreciation of other engineering areas/domains

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