Principal Mechanical Engineer

Copello
📍 New Malden, Greater London, United Kingdom 💼 Full-time 🕒 Posted June 06, 2026

Job Description

Principal Mechanical Engineer

New Malden

** Please note SC Clearance must be held for this role**

As a Principal Mechanical Engineer, you will play a senior leadership role within a highly advanced engineering environment, supporting the development of innovative electro-mechanical products for complex defence applications. Acting as a technical authority, you will provide guidance and mentorship to engineering teams while ensuring designs are robust, manufacturable and fully compliant with industry and regulatory standards.

This role will see you leading technically challenging projects across the full product lifecycle, applying expertise in mechanical design, materials and manufacturing processes to deliver high-quality engineering solutions. You will also contribute to technical strategy, continuous improvement initiatives and the ongoing development of engineering capability across the organisation.

Role Responsibilities

* Lead the desig...

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Job Details

  • Location New Malden, Greater London
  • Job Type Full-time
  • Category architecture-and-engineering
  • Posted Date June 06, 2026
  • Application Deadline July 16, 2026