Principal Mechanical Engineer

Rullion; United Kingdom; On-site; GBP 125,000 - 150,000; Full time

Job summary

A recruitment firm is seeking a Principal Mechanical Engineer with a minimum of 8 years in the nuclear sector to lead engineering activities. You will produce technical documentation, conduct studies for mechanical handling systems, and mentor junior team members. A degree in Mechanical Engineering and chartered status is required. This role is based in Warrington, Cumbria or Abingdon and offers a contractor position with competitive pay and support for continuous improvement in a diverse work environment.

Qualifications

• 8+ years relevant experience, ideally in nuclear or regulated industries.
• Chartered engineer (IMechE preferred).
• Experience with mechanical handling systems.

Responsibilities

• Lead mechanical engineering activities across project lifecycles.
• Produce and review technical documentation.
• Conduct studies for mechanical handling systems.

Skills

Mechanical engineering

Design documentation

Mentorship

Continuous improvement

Education

Degree in Mechanical Engineering or related discipline

Job description

Job title: Principal Mechanical Engineer - 8 year minimum in the Nuclear sector

Job Type: Contractor

Start date: ASAP

Salary: Competitive

Location: Warrington, Cumbria or Abingdon

Hours of work: Up to 37 hours per week

Role and Responsibilities

• Lead mechanical engineering activities across project lifecycles, including design, manufacture, construction, and commissioning support.
• Produce and review technical documentation (drawings, P&IDs, flow diagrams, specifications).
• Conduct studies for mechanical handling systems and powder processing in high‑activity environments.
• Liaise with suppliers and stakeholders to ensure design intent is met.
• Support and mentor junior team members.
• Drive technical solutions, continuous improvement, and safe working practices.

Requirements

• 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.

Interested in this position? Please click "apply now".

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.

Company information:

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.