Mechanical Engineer

LEX Diagnostics Limited; Melbourn; On-site; GBP 60,000 - 80,000; Full time

Job summary

A healthcare technology company seeks a Mechanical Engineer to develop and refine designs for diagnostic devices. This role encompasses CAD modeling and experimental validation, ensuring designs meet both technical and practical requirements. Ideal candidates will thrive in a fast-paced environment and contribute to life-saving innovations. Competitive benefits include a pension contribution and private medical insurance.

Benefits

10% employer pension contribution

Private Medical Insurance & Life Insurance

25 days’ holiday plus bank holidays

Discounts to local sports facilities and theatres

Qualifications

• Experience in mechanical engineering and design.
• Proven ability to solve complex engineering problems.
• Familiarity with product development and manufacturing processes.

Responsibilities

• Formulate design and product requirements.
• Support design choices with analysis.
• Work across disciplines for practical designs.
• CAD, prototype iteration, and detailed drawing production.
• Demonstrate design performance experimentally.
• Design with manufacture and assembly in mind.

Skills

CAD

First-principles analysis

Multidisciplinary collaboration

Prototyping

Design for manufacture

Job description

Overview

At LEX Diagnostics, we’re rethinking how the world tackles infectious disease. Our technology is enabling faster, more accurate testing, right where it’s needed most. Every design decision here has the potential to directly improve patient care around the world.

What’s the opportunity?

We’re looking for a Mechanical Engineer who thrives on solving complex problems and turning ideas into manufacturable solutions. You’ll spend as much of your time in CAD as in the lab, conceptualising, modelling, testing and refining designs that need to perform flawlessly when they leave the lab and become real, working products.

But this isn’t just pushing geometry around in a model. You’ll be working at the intersection of mechanical, thermal, fluidic, optical, and electrical disciplines, creating designs that bring all of these together into a robust, reliable product.

Why this role matters

Our diagnostics are used in settings where every second counts. The design solutions you spearhead, and the engineering principles you apply, directly determine how reliably our devices work in the real world. From the first sketch to the final assembly, your designs will be pivotal to getting life-saving tools into the hands of clinicians.

What you’ll be doing

• Formulating design and product requirements to meet genuine technical needs.
• Supporting design choices with first-principles analysis, so that every feature is grounded in engineering reasoning.
• Working across disciplines to ensure the design is not only clever, but also practical, robust, and scalable.
• CAD, modelling concepts, iterating prototypes, and working with the wider team to produce detailed drawings for manufacture and assembly.
• Demonstrating the performance of your designs with experimental rigour.
• Designing with manufacture and assembly in mind, whether reworking an existing concept or creating something brand new.

We want you to thrive, personally and professionally. Benefits include:

• 10% employer pension contribution (+3% personal contribution)
• Private Medical Insurance & Life Insurance (Family Cover)
• Life insurance
• 25 days’ holiday plus bank holidays
• Discounts and memberships to local sports facilities and theatres

Why join LEX Diagnostics?

• Be part of a mission driven company making a global impact.
• Work with a multidisciplinary team of experts who value creativity, collaboration, and evidence-based engineering.
• See your CAD designs and prototypes move quickly from concept to production, we iterate fast, and you’ll see the results of your work in real devices.
• Join a growing company where your input can shape both our products and our future.

If you love spending time in CAD and experimenting in the lab, turning ideas into manufacturable designs, and applying first-principles thinking to multidisciplinary challenges, we’d love to hear from you.

Apply now and help us design the future of diagnostics.