Senior Design Engineer

JR United Kingdom; Colchester; On-site; GBP 45,000 - 70,000; Full time

Job summary

A leading environmental technology start-up is seeking a Senior Design Engineer to drive mechanical design and container integration for innovative hydrogen systems. This role enables significant contributions to cutting-edge projects focused on sustainability in a dynamic, hands-on environment. The ideal candidate will possess a degree in Engineering, extensive CAD experience, and strong design leadership skills.

Qualifications

• Degree or relevant professional experience required.
• Proven experience in engineering design roles essential.
• Experience in fast-paced, development-stage environments preferred.

Responsibilities

• Lead mechanical design of modular hydrogen systems in shipping containers.
• Create detailed 3D models and assembly drawings.
• Conduct mechanical stress calculations for structural integrity.

Skills

Mechanical design

3D CAD

Stress calculations

Strong file management

Documentation skills

Design for shipping containers

Knowledge of CE/UKCA compliance

Experience with flammable gases

Education

Degree in Mechanical or Design Engineering

Tools

SolidWorks

AutoCAD

Job description

Social network you want to login/join with:

Cranleigh STEM, Sustainability & SHEQ Recruitment

Location:

colchester, 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.