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Contract

Senior Mechanical Design Engineer

PWHytek Ltd
Winchester
money-bag Negotiable
Posted: 18 August 2026 (Today)
Closing date: 17 September 2026
Ref: 225507750

We are looking for multiple Senior Mechanical Design Engineers to join a well-established engineering team delivering innovative solutions across the UK nuclear sector.

This is an excellent opportunity to work on technically challenging projects within a highly regulated environment, while enjoying a flexible hybrid working arrangement and the chance to mentor and develop junior engineers.

The Role

As a Senior Mechanical Design Engineer, you''ll be responsible for delivering high-quality mechanical design solutions across a range of nuclear projects. You''ll lead design activities, provide technical guidance, undertake independent checking of engineering work, and support the development of junior engineers within the team.

Working closely with multidisciplinary teams, you''ll play a key role in ensuring designs are delivered safely, accurately and in line with client and regulatory requirements.

Key Responsibilities

  • Produce and review high-quality mechanical design solutions
  • Lead design activities from concept through to detailed design
  • Carry out independent checking of engineering calculations, drawings and technical documentation
  • Mentor and support junior and intermediate engineers, helping to develop technical capability across the team
  • Work collaboratively with multidisciplinary engineering teams and project stakeholders
  • Ensure designs comply with client specifications, industry standards and regulatory requirements
  • Participate in design reviews, technical meetings and problem-solving activities
  • Support the successful delivery of complex nuclear engineering projects

What We''re Looking For

  • Proven experience as a Senior Mechanical Design Engineer
  • Strong background delivering projects within the nuclear sector or another highly regulated industry
  • Experience carrying out independent checking of engineering work
  • Previous experience mentoring or technically leading engineers
  • Strong understanding of mechanical design principles and engineering best practice
  • Ability to work effectively within multidisciplinary project teams
  • Excellent communication, leadership and problem-solving skills

Desirable Experience

  • Detailed design within the nuclear industry
  • Safety-critical engineering projects
  • Design reviews and technical assurance
  • Knowledge of relevant engineering standards and quality processes
  • Chartered Engineer status or working towards chartership

What''s On Offer?

  • Hybrid working available
  • Competitive salary/rate depending on experience
  • Opportunity to work on major UK nuclear programmes
  • Collaborative and supportive engineering environment
  • Long-term project work with excellent career development opportunities
  • Modern offices based in Winchester
  • Opportunity to mentor and influence the next generation of engineers

Interested?

If you''re a Senior Mechanical Design Engineer looking to work on exciting nuclear projects while taking on technical leadership, independent checking and mentoring responsibilities, we''d love to hear from you.

Apply today or get in touch for a confidential discussion to find out more about this opportunity.

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