Mechanical Design Engineer

Theo James Recruitment; United Kingdom; On-site; GBP 30,000 - 50,000; Full time

Job summary

An innovative engineering firm in the United Kingdom seeks a Mechanical Design Engineer. This role offers the chance to work on advanced projects, creating 3D CAD models and designing precision components. Ideal candidates will possess a Mechanical Engineering degree and strong expertise in CAD tools like SolidWorks. Join a forward-thinking team and make an impact in high-performance communication systems innovation while enjoying benefits like a pension contribution and private medical care.

Benefits

Up to 8% pension contribution

4 x death in service benefits

1 charity day per year

Private medical care

Salary sacrifice after probation

Qualifications

• Bachelor's or Master's degree in Mechanical Engineering or equivalent.
• Strong 3D CAD skills, preferably in SolidWorks.
• Experience in designing high-precision mechanical assemblies.
• Understanding of manufacturing processes like CNC machining, casting, and additive manufacturing.
• Hands-on FEA/CFD analysis experience.
• Strong knowledge of GD&T and engineering drawings.
• Ability to work in cross-functional engineering teams.
• Familiarity with PDM/PLM systems.

Responsibilities

• Own the mechanical development of advanced frequency products.
• Create detailed 3D CAD models and design precision components.
• Perform thermal and structural analysis for reliability.
• Support electronics, systems, and manufacturing teams throughout projects.
• Carry out CFD and FEA analysis and validation.
• Contribute to environmental testing and continuous improvement.

Skills

3D CAD capability

High-precision mechanical assemblies design

Manufacturing processes understanding

FEA/CFD experience

GD&T and engineering drawings knowledge

Collaboration in engineering environments

Familiarity with PDM/PLM systems

Education

Degree in Mechanical Engineering (BEng/MEng or equivalent)

Tools

SolidWorks

Job description

Job Title: Mechanical Design Engineer

Location: GBP30,000 – GBP50,000

Benefits: Up to 8% pension contribution, 4 x death in service, 1 charity day per year, private medical care, salary sacrifice after probation.

Working Hours: 37 hours per week

Job Description:

As a Mechanical Design Engineer, you will:

• Take full ownership of the mechanical development of advanced frequency products. This involves creating detailed 3D CAD models, selecting suitable materials, designing precision components, and performing thermal and structural analysis to ensure high reliability and performance.
• Work closely with electronics, systems, and manufacturing teams, supporting projects from concept through prototype, validation, and final release.
• Design housings, heatsinks, waveguide structures, test fixtures and other precision assemblies.
• Carry out CFD and FEA analysis, validate assumptions through testing, and support both DFM/DFA activities and production‑scale manufacturing.
• Contribute to environmental testing, reliability assessments, supplier support, and continuous improvement initiatives.

Ultimately, the Mechanical Design Engineer will play a crucial role in delivering robust, high‑quality engineering solutions for mission‑critical applications.

Skills & Experience:

Required:

• Degree in Mechanical Engineering (BEng/MEng or equivalent)
• Strong 3D CAD capability (SolidWorks preferred)
• Experience designing high‑precision mechanical assemblies
• Understanding of manufacturing processes (CNC machining, casting, additive manufacturing)
• Hands‑on FEA/CFD experience
• Strong knowledge of GD&T and engineering drawings
• Ability to collaborate in cross‑disciplinary engineering environments
• Familiarity with PDM/PLM systems

Why Should You Apply?

• Work on cutting‑edge engineering projects in a rapidly expanding technology company
• Access world‑class tools, facilities, and technical expertise
• Develop your skills while contributing to high‑impact, mission‑critical innovations
• Be part of a supportive team where your work genuinely makes a difference

If you re a Mechanical Design Engineer seeking an exciting challenge with real progression opportunities, this is the ideal environment to take your career to the next level.

The Company:

Join a pioneering, fast‑growing engineering business specialising in advanced technology for high‑performance communication systems. This organisation works at the forefront of next‑generation connectivity, supporting major programmes across aerospace, defence, space, and critical communications. With a strong heritage in innovation and engineering excellence, the company continues to expand rapidly, offering exciting opportunities for ambitious engineers who want to shape the future of high‑frequency technology.

You ll be part of a collaborative, forward‑thinking environment where complex challenges are solved through cutting‑edge design, precision engineering, and cross‑functional teamwork.