Senior Mechanical Designer

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About this role

Company Description

Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements. 

Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.

Job Description

Senior Mechanical Designer

Contract: 6 month, Umbrella contractor

Location: Remote

Your future team:

Are you a talented Senior Mechanical Designer with a passion for delivering design to manufacture?  We are experiencing significant growth in our Defence sector and need skilled professionals to join our dynamic team. This is an exciting opportunity to work on Assystem-led projects across our UK offices, with flexible hybrid working available.

Your missions:

🎯 Develop complete design concepts, scheme definitions, and full detailed design solutions using CAD software, including Inventor.

🎯 Work on piping systems, mechanical flow diagrams, and the production of general arrangement, assembly, component, and fabrication drawings.

🎯 Ensure designs adhere to the AEIL Quality Management System, delivering work within agreed time scales, costs, and quality standards.

Qualifications

Qualifications/Skills to be successful:

✔️ HND in an applicable engineering/design discipline preferred or HNC with relevant experience.

✔️ Extensive experience in mechanical design in line with BS/ISO standards.

✔️ Proficiency in 2D and 3D CAD software.

✔️ Experience with design for manufacture, pipework, pressure vessels, and structural steelwork.

✔️ Experience with Autodesk Revit and GD&T (desirable).

✔️ Familiarity with BS8888 and ASME Y14.5 drawing standards (desirable).

✔️Experience with organisation and checking detailed drawings 

Additional Information

NOTICE TO CANDIDATES ON RECRUITMENT FRAUD – We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process.

NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process.

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.

Frequently Asked Questions

Is the salary disclosed for the Senior Mechanical Designer position at assystem?
The salary for this Senior Mechanical Designer role at assystem is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Is the Senior Mechanical Designer job at assystem remote?
Yes, this Senior Mechanical Designer position at assystem is remote, with team members based in England, Sunderland, Sunderland, England, United Kingdom, gb. You can work from home or anywhere in the supported regions.
Is the Senior Mechanical Designer role at assystem full-time or part-time?
This is listed as a Full time position. It is posted as a Senior Mechanical Designer role at assystem.
How do I apply for the Senior Mechanical Designer position at assystem?
Click the "Apply Now" button on this page. You will be redirected to assystem's official application portal hosted on smartrecruiters where you can submit your application directly.
When was the Senior Mechanical Designer job at assystem posted?
This Senior Mechanical Designer position at assystem was posted on May 5, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior Mechanical Designer
assystem
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