Assystem is an international company with one mission: accelerate the energy transition around the world.

Every day, our 7,500 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy.

We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition.

Drawing on more than 55 years' experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked third in the world for nuclear engineering.

To ensure a viable, efficient, and reliable energy future for all.

Your future team:

Are you a talented Senior Mechanical Designer with a passion for excellence? 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 in either our Sunderland or Glasgow 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.

🎯 Produce scoping calculations and component specifications that meet BS/ISO standards and legal requirements (e.g., LOLER, EMUA).

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

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).

• Permanent Staff position
• Sole UK National
• BPSS to start but SC Clearance required
• Hybrid working

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.

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.