Principal Mechanical Engineer

Rullion Engineering Cumbria; Abingdon; On-site; GBP 125,000 - 150,000; Part time

Job summary

A leading engineering company is seeking a Principal Mechanical Engineer with at least 8 years of experience in the nuclear sector. The role involves leading engineering activities, producing technical documentation, and mentoring junior team members. Ideal candidates will hold a degree in Mechanical Engineering or a related discipline, be chartered engineers, and have experience in regulated environments. The position is contractor-based with competitive salary, located in either Warrington or Abingdon.

Qualifications

• 8+ years’ experience in nuclear or regulated industries required.
• Chartered engineer status preferred, with strong documentation skills.
• Experience in mechanical handling systems is essential.

Responsibilities

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

Skills

Mechanical design

Technical documentation

Project management

Team leadership

Nuclear regulations knowledge

Education

Degree in Mechanical Engineering or related discipline

Job description

Job title: Principal Mechanical Engineer – 8 years 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

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

Responsibilities

• 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.

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.

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.

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