Senior Design Engineer

JR United Kingdom; Swindon; On-site; GBP 40,000 - 60,000; Full time

Job summary

A high-growth start-up is seeking a Senior Design Engineer to innovate in the field of sustainable technology. You will lead mechanical design for modular hydrogen systems and create detailed CAD models in a dynamic environment. This role offers an opportunity for significant impact in the development of next-generation systems.

Qualifications

• Proven experience in an engineering design role; ideally within complex system environments.
• Experience working with flammable gases or in ATEX/Ex-rated environments is a plus.
• Familiarity with CE/UKCA compliance processes and documentation.

Responsibilities

• Lead the mechanical design of modular hydrogen systems in shipping containers.
• Create detailed CAD models and part drawings; manage documentation effectively.
• Ensure compliance with safety and regulatory requirements throughout design phases.

Skills

3D CAD

Mechanical Design

Document Management

Problem Solving

Team Collaboration

Education

Degree in Mechanical or Design Engineering

Tools

SolidWorks

AutoCAD

Job description

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Senior Design Engineer, swindon, wiltshire

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Client:

Cranleigh STEM, Sustainability & SHEQ Recruitment

Location:

swindon, wiltshire, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

1

Posted:

06.06.2025

Expiry Date:

21.07.2025

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Job Description:

Cranleigh STEM is proud to partner with a high-growth start-up developing breakthrough technology to accelerate the transition away from fossil fuels.

The company is now recruiting for a Senior Design Engineer to take ownership of mechanical design and container integration for their systems. This role offers the opportunity to contribute to the development of first-of-a-kind systems in a fast-paced, hands-on environment.

• Lead the mechanical design of modular hydrogen systems packaged into standard shipping containers, incorporating process units, pipework, valves, and instrumentation.
• Create detailed 3D CAD models and part/assembly drawings using SolidWorks or AutoCAD.
• Design custom components in a variety of materials (stainless steel, glass, ceramics), producing fabrication-ready specifications for suppliers.
• Generate general arrangement drawings and BOMs; integrate supplier models into internal design workflows.
• Conduct mechanical stress calculations to ensure structural integrity and safe operation.
• Work closely with external suppliers and fabrication partners to ensure components meet technical and quality requirements.
• Support prototype build and assembly, including preparation of clear work instructions for mechanical fitting.
• Ensure compliance with UK and international standards, including safety and regulatory requirements.
• A degree in Mechanical or Design Engineering, or relevant professional experience.
• Proven experience in an engineering design role, ideally within complex system environments.
• Proficient in 3D CAD (SolidWorks, AutoCAD or equivalent).
• Strong file management, drawing control, and documentation skills.
• Comfortable working in a fast-paced, development-stage company environment.
• Experience designing equipment for installation in shipping containers or compact spaces.
• Knowledge of CE/UKCA compliance processes and documentation.
• Experience working with flammable gases or in ATEX/Ex-rated environments.
• Familiarity with solid particle conveyance systems in hazardous conditions.
• Prior involvement in a start-up or early-stage product development setting.