Senior Design Engineer

Senior Mechanical Design Engineer



Location  - Aylesbury 



Salary  - £52,000–£60,000 DOE



Duration  - Full-time permanent position.



Join a growing engineering firm at the forefront of advanced materials and pressure vessel design, supplying systems for some of the world’s most demanding environments including defence, aerospace, commercial, and high-end marine sectors.

This rare opportunity is perfect for an experienced engineer who thrives in a hands-on, diverse role across design, development, production engineering, and project management. With the company growing at over 35% annually and backed by strong order books, now is the perfect time to make your mark.



Why Join Us?



Work directly with the Managing Director and lead engineering initiatives

Influence the full product lifecycle: from concept to testing to production

Engage with global partners and government agencies

Be a key part of a tight-knit, high-performing team in a niche, specialist market

Your Responsibilities Will Include:



Leading the design and testing of pressure vessel assemblies, pneumatic systems, and bespoke equipment

Performing and approving engineering calculations and technical documentation

Supporting production builds and driving efficiency improvements

Overseeing contractor management and supply chain oversight

Contributing to production planning and capital investment decisions

What You Bring:



Proven experience in mechanical engineering with exposure to pneumatics, hydraulics or pressure vessels

Background in regulated sectors like Aerospace, Maritime, Defence, or Medical Devices

Confident with engineering standards, drawing reviews, and stress/load calculations

A natural leader – proactive, well-presented, and communicative



A meticulous, hands-on approach to quality and detail



Requirements:

Right to work in the UK without sponsorship 

Valid UK driving licence & access to a vehicle

Excellent IT skills, particularly in Microsoft Office

Willingness to travel occasionally, including overseas

Professional, reliable, and team-oriented mindset



What We Offer:

Competitive salary £52,000–£60,000 (based on experience)

Involvement in meaningful, high-impact engineering projects

A dynamic environment where your input truly makes a difference