Mechanical Design Engineer

Posted 06 February 2026
Salary £55 per hour
LocationDerbyshire
Job type Contract - Full Time
Discipline Nuclear
ReferenceJO0000064344

Job description

We are seeking a skilled and motivated Mechanical Design Engineer to join our growing Nuclear team. The team supports a range of critical nuclear programmes, including the UK Submarine programme, the existing nuclear generation fleet, decommissioning projects, and the design of high-integrity structures for new nuclear facilities. This role offers the opportunity to work on high-profile nuclear projects within a collaborative, multidisciplinary engineering environment, taking ownership of technical deliverables from concept through to completion.

  • Job Title: Mechanical Design Engineer
  • Contract Length: Ongoing
  • Start date: Project Dependant
  • Location: Derby (Hybrid)
  • Rate: £55 Per hour Inside IR35 (Can vary based on experience)

Key Responsibilities

  • Provide mechanical engineering support across a range of nuclear projects, including design, analysis, and substantiation activities.
  • Take responsibility for technical packages from inception through to delivery, ensuring compliance with project requirements.
  • Produce and review key technical documentation, including calculations, design reports, and technical requirements.
  • Apply relevant design codes, standards, and best practices appropriate for safety-critical industries.
  • Work closely with multidisciplinary teams, including other engineering disciplines, project managers, and stakeholders.
  • Ensure all work is delivered to the required time, cost, and quality standards.
  • Support risk management, design reviews, and technical governance processes where required.

Essential Requirements

  • Degree qualified in Mechanical Engineering or a closely related discipline.
  • Demonstrable experience working within the nuclear sector (design, substantiation, and/or analysis).
  • Proven track record of delivering technical projects and services on time, to quality, and within budget.
  • Familiarity with working to design codes and industry standards applicable to safety-critical environments.
  • Experience producing key technical documentation, including calculations, design reports, and technical requirements.
  • Strong written and verbal communication skills, with the ability to present technical information clearly to a range of audiences.

Desirable Experience

  • Experience with PWR (Pressurised Water Reactor) technology, including design, analysis, or substantiation.
  • Previous involvement in UK nuclear programmes (e.g. submarines, new build, decommissioning, or operational fleet).
  • Experience working within a regulated engineering environment with formal quality and governance processes.

Please note that this role requires security clearance.
If you are interested, please apply or email chloe.mogridge@carringtonwest.com