Senior Mechanical Design Engineer, Defence & Aerospace

Positiv Cohort; Stevenage; On-site; GBP 65,000 - 90,000; Full time

Job summary

Positiv Cohort is seeking a Senior Mechanical Design Engineer to advance the development of complex electro-mechanical equipment in a regulated engineering environment. You will design, develop and integrate mechanical assemblies and structures for advanced technology programmes, collaborating with mechanical, electrical, systems and manufacturing engineers throughout the product lifecycle.

Key tasks include creating 3D CAD models (Creo), maintaining BOMs, performing tolerance studies and mass

Qualifications

• Degree qualified in Mechanical Engineering or related discipline.
• Significant experience in mechanical design of complex engineering products.
• Strong 3D CAD experience, ideally using PTC Creo.
• Experience creating and maintaining engineering BOMs.
• Proven ability to perform tolerance studies and dimensional analyses.
• Experience completing mass property calculations and design assessments.
• Strong understanding of Design for Manufacture (DFM) and Design for Assembly (DFA) principles.
• Experience of structural mechanical design.
• Familiarity with engineering standards and controlled design environments.
• Experience working within multidisciplinary engineering teams.
• Ability to communicate technical information clearly at design reviews and stakeholder meetings.

Responsibilities

• Develop detailed 3D CAD models and engineering drawings for mechanical and electro-mechanical assemblies.
• Create and maintain engineering Bills of Materials (BOMs) and associated product definition data.
• Perform tolerance analysis and design assessments to ensure robust product performance.
• Conduct mass property calculations including weight, centre of gravity and balance considerations.
• Support design for manufacture and design for assembly activities throughout the development lifecycle.
• Design and develop structural components, housings, brackets and supporting mechanical assemblies.
• Participate in formal design reviews and technical assessment activities.
• Collaborate closely with systems, manufacturing, electronics, test and project engineering teams.
• Ensure designs comply with relevant industry and engineering standards.
• Support product verification, integration and development testing activities.
• Contribute to continuous improvement of engineering processes and design practices.

Skills

Mechanical design

3D CAD

Tolerance analysis

Mass properties

DFM & DFA

Structural design

Multidisciplinary teamwork

Clear communication

Education

Bachelor's degree in Mechanical Engineering

Tools

PTC Creo

Job description

Positiv Cohort is seeking a Senior Mechanical Design Engineer to advance the development of complex electro-mechanical equipment in a regulated engineering environment. You will design, develop and integrate mechanical assemblies and structures for advanced technology programmes, collaborating with mechanical, electrical, systems and manufacturing engineers throughout the product lifecycle.

Key tasks include creating 3D CAD models (Creo), maintaining BOMs, performing tolerance studies and mass