Mechanical Design Engineer

Location: Newmarket (CB8)
Duration: Permanent
Hours: 8.30am - 5.00pm Monday - Thursday, 8.30am - 4pm Friday
Salary: £30,000 - £40,000
Job Reference: 35736

Polytec are looking for a skilled Mechanical Design Engineer to join our Newmarket based client, a leading technology and engineering company in the defence and aerospace sector.
This is an exciting opportunity for a hands-on and innovative engineer who is passionate about end-to-end product development - from initial concept and design to manufacturing support and delivery.

Responsibilities:

• Create detailed and accurate 3D CAD models and technical drawings using industry-standard tools (SolidWorks preferred).
  
• Support the full mechanical design lifecycle - including prototyping, testing, analysis, and documentation.
  
• Conduct tolerance analysis and apply principles of Geometric Dimensioning and Tolerancing (GDandT).
  
• Work with cross-functional teams to improve current designs, resolve build issues, and manage changes through structured change control processes.
  
• Ensure all documentation adheres to relevant standards, including BS8888.
  
• Contribute to the continuous improvement of engineering processes and tools.
  
• Provide hands-on support during the build and validation of prototypes.
  
  Requirements:
  
  
• Degree-qualified in Mechanical Engineering or a closely related discipline.
  
• Minimum 3 years' experience in product development and mechanical design for manufacture (medium to high volume preferred).
  
• Strong 3D CAD proficiency - SolidWorks experience is highly advantageous.
  
• Working knowledge of engineering standards (BS8888, ISO) and design for manufacture (DFM) principles.
  
• Familiarity with a broad range of materials, finishes, and their environmental and structural implications.
  
• Experience with full product lifecycle and cross-functional collaboration.
  
• Confident communicator - capable of preparing reports, presenting concepts, and liaising with stakeholders.
  
  Desirable Skills:
  
  
• Background in defence or high-reliability industries.
  
• Structural analysis experience.
  
• Understanding of sustainability in design - including re-engineering and supporting legacy products.
  
• Hands-on experience in prototype fabrication and testing.
  
  Please contact us as soon as possible for more details or apply below