Mechanical Design Engineer

Mechanical Design Engineers play a crucial role in translating technical requirements into functional designs that drive innovation and deliver tangible results. This opportunity invites experienced engineers to apply their expertise in mechanical design, contributing to projects where precision, problem-solving and technical excellence directly shape product success.
Please note the content of this advert does not represent a live vacancy.
About the opportunity
This is an opportunity to register your interest in future Mechanical Design Engineer roles based in London. Roles of this type typically sit within engineering-led teams where you would collaborate across disciplines to develop mechanical solutions that meet stringent technical and operational standards. You could work on design projects requiring applied expertise in mechanical systems, component specification, and design optimisation, with scope to take ownership of defined workstreams and contribute to raising engineering standards within the team.
Typical role overview

• Location: London, Greater London, England
• Type: Contract
• Rate: £250-280 per day
• Qualification: Bachelor's degree in Engineering
• Technical standard: ISO 9001

What you would do
Typical responsibilities could include:

• Developing and delivering mechanical designs that meet functional and regulatory requirements
• Creating detailed design documentation, technical drawings and specifications using industry-standard tools
• Collaborating with cross-functional teams including electrical engineers, controls specialists and project managers
• Conducting design analysis, tolerance studies and design reviews to ensure quality and manufacturability
• Supporting component and material selection based on performance, cost and sustainability criteria
• Contributing to continuous improvement of design processes and engineering standards
• Liaising with suppliers, manufacturing and quality teams to ensure design intent is maintained through production

What you could bring
Most roles of this type require the following:

• Bachelor's degree in Mechanical Engineering or related engineering discipline
• Proven experience in mechanical design, with demonstrated proficiency in CAD tools and design software
• Strong knowledge of mechanical principles, materials science and manufacturing processes
• Experience working to ISO 9001 or equivalent quality management standards
• Familiarity with design documentation standards, GD&T (geometric dimensioning and tolerancing) and technical drawing conventions
• Excellent problem-solving skills and attention to detail
• Ability to work collaboratively across engineering and non-engineering teams
• Strong communication skills, both written and verbal
• Right to work in the United Kingdom

Nice-to-have:

• Experience with FEA (finite element analysis) or simulation tools
• Knowledge of regulatory requirements or design standards relevant to your industry sector
• Project management experience or exposure
• Experience in agile or collaborative design environments

What roles of this type could offer
Most roles of this type offer the following, dependent on the industry and seniority of the role:

• The opportunity to work on technically challenging design projects with real-world impact
• Exposure to diverse engineering disciplines and cross-functional collaboration
• Potential for skill development in advanced design tools and methodologies
• Contribution to products and systems that meet high technical and quality standards
• Professional development and progression within engineering teams
• Working in a structured environment that values precision, innovation and continuous improvement
• Flexible contract engagement with potential for extension based on performance and project needs

About SThree
SThree is the global STEM workforce consultancy.
We advise businesses, build expert teams and deliver project solutions to outpace tomorrow, together.
Across the UK, we connect talented specialists with cutting-edge opportunities across technology, engineering, life sciences and financial services supported by our offices in London, Birmingham, Manchester, Glasgow and Leeds
How to register interest
If you are interested in being added to our database to be considered for future opportunities, registering is quick and easy. No cover letter required. We will be in touch when we are instructed on these roles to discuss the next step in your career.