Principal Mechanical Engineer

Job title

Principal Mechanical Engineer – 8 year minimum in the Nuclear sector

Contractor

Warrington, Cumbria or Abingdon

ASAP

Competitive

Up to 37 hours per week

You’ll lead mechanical engineering activities across project life cycles, including design, manufacture, construction, and commissioning support.

• Producing and reviewing technical documentation (drawings, P&IDs, flow diagrams, specifications).
• Conducting studies for mechanical handling systems and powder processing in high‑activity environments.
• Liaising with suppliers and stakeholders to ensure design intent is met.
• Supporting and mentoring junior team members.
• Driving technical solutions, continuous improvement, and safe working practices.

• Degree in Mechanical Engineering or related discipline.
• 8+ years’ relevant experience, ideally in nuclear or regulated industries.
• Chartered engineer (IMechE preferred).
• Experience with engineering design, documentation, and mechanical handling systems. Multi‑cultural team experience;
  French desirable but not essential.

We try to respond to all applicants, but sometimes this is not possible due to high volumes of applications; if you have not heard from us within 14 days, regrettably it means you have been unsuccessful on this occasion.

This contract is being advertised by Rullion Ltd. Since 1978, Rullion has been securing exceptional candidates for a range of clients; from large well‑known brands, to SMEs and start‑ups. As a family‑owned business, Rullion's approach is credible and honest, focused on building long‑lasting relationships with both clients and candidates. Rullion is a forward‑thinking recruitment company that specialises in providing a wide range of talent consultancy services to a diverse client base;

from small start‑ups to large household names.

We celebrate and support diversity and are committed to ensuring equal opportunities for both employees and applicants.