Mechanical Design Engineer

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Job Title: Mechanical Design Engineer

Location: Milton Keynes (on-site, 5 days per week)

Employment Type: Full-time, Permanent

Sectors: Manufacturing

Join ALTEN, a leading engineering consultancy partnering with some of the UK's most advanced engineering programmes. We are supporting a cutting-edge project requiring the design and development of mechanical enclosures for high-performance electronic systems. As a Mechanical Design Engineer, you’ll be working on-site with a forward-thinking engineering team, contributing from initial concept through to validation. This is an opportunity to get hands-on with full-lifecycle design in a highly technical, quality-focused environment.

Key Responsibilities:

• Lead the mechanical design and development of enclosures for complex electronic products.
• Support the full NPI lifecycle: from initial specifications through to prototyping, verification, and validation.
• Produce and maintain detailed engineering documentation, drawings, and BOMs.
• Apply your knowledge of materials, tolerancing, and manufacturing processes to create robust, fit-for-purpose designs.
• Work closely with cross-functional teams to ensure seamless integration with electrical and systems engineering.

Essential Skills & Experience

• A Bachelor’s degree or higher in Mechanical Engineering or related discipline.
• Proven experience in mechanical design within an NPI environment.
• Strong proficiency in SOLIDWORKS (or similar 3D CAD tools).
• Solid understanding of mechanical engineering principles, materials selection, and manufacturing techniques (e.g. CNC, injection moulding, sheet metal).
• Ability to generate clear, concise technical documentation and engineering reports.
• Excellent communication and collaboration skills to work in a dynamic, multi-disciplinary team.

Why join us? 

We foster a community of dually talented individuals who are both entrepreneurs and technology specialists. Our teams embody the spirit of innovation and entrepreneurship, enabling us to develop solutions most efficiently. 

Our commitment to sustainable growth is unwavering, and we continuously strive for accelerated transformation and continuous improvement. Through ALTEN labs, mentoring programs, internal universities, and more, we are always pushing boundaries and embracing new possibilities. 

We offer incredible opportunities to join inspiring projects in the most innovative companies. 

We prioritise your career development with personalised support plans tailored to your own aspirations. We're here to empower you and help you reach your full potential. 

Join our passionate team and start building tomorrow, today! 

In short you get: 

• A personalised career path and a rewarding management style 
• A chance to work on the most exciting engineering projects and technologies along with Premium Customers
• A huge diversity of engineering projects and industries
• A competitive salary
• Private Medical Insurance
• Pension Scheme
• Cycle-to-work Scheme among many additional benefits
• Social atmosphere, regular gatherings, and team buildings
• Flexible way of working (role dependent)