Senior Mechanical Engineer
Posted on Jun 22, 2026 by CV-Library
Warrington, Cheshire, United Kingdom
Engineering
Immediate Start
£55 - £60 Hourly
Contract/Project
Senior Mechanical Engineer x3
Location: Warrington or Cumbria (Hybrid Working)
Rate: £60.00 per hour (Umbrella PAYE)
Duration: 12-month contract (likely extension)
Start Date: ASAP (subject to security clearance)
We are recruiting for 3 Senior Mechanical Engineers to join a major programme with a leading Tier 1 contractor supporting one of the UK's most complex nuclear sites.
The role will involve providing plant-facing engineering and design support across operational and decommissioning facilities, delivering modifications, maintenance-driven design changes, asset care improvements, and solutions to emergent plant issues. Working within an integrated, multi-disciplinary engineering team, you will be responsible for producing and reviewing high-quality engineering deliverables while supporting the safe and efficient operation of nuclear facilities.
Key Responsibilities
Lead and deliver mechanical design and engineering packages.
Produce and review calculations, specifications, technical reports and design documentation.
Support plant modifications, asset care and operational improvement projects.
Interface with operations, project teams and other engineering disciplines.
Ensure compliance with nuclear industry standards and design governance processes.
Provide technical leadership and mentoring to junior engineers where required.
Requirements
Degree qualified in Mechanical Engineering or related discipline.
Significant experience delivering mechanical engineering design within highly regulated industries (nuclear, defence, petrochemical, oil & gas, power generation or similar).
Experience producing and checking engineering calculations and technical documentation.
Strong understanding of engineering lifecycle and design processes.
Ability to work effectively within multi-disciplinary project teams.
Previous Sellafield or nuclear site experience is highly desirable.
Chartered Engineer status (or working towards Chartership) would be advantageous.
This is an excellent opportunity to secure a long-term contract on a high-profile programme delivering critical engineering support across operational nuclear facilities
Location: Warrington or Cumbria (Hybrid Working)
Rate: £60.00 per hour (Umbrella PAYE)
Duration: 12-month contract (likely extension)
Start Date: ASAP (subject to security clearance)
We are recruiting for 3 Senior Mechanical Engineers to join a major programme with a leading Tier 1 contractor supporting one of the UK's most complex nuclear sites.
The role will involve providing plant-facing engineering and design support across operational and decommissioning facilities, delivering modifications, maintenance-driven design changes, asset care improvements, and solutions to emergent plant issues. Working within an integrated, multi-disciplinary engineering team, you will be responsible for producing and reviewing high-quality engineering deliverables while supporting the safe and efficient operation of nuclear facilities.
Key Responsibilities
Lead and deliver mechanical design and engineering packages.
Produce and review calculations, specifications, technical reports and design documentation.
Support plant modifications, asset care and operational improvement projects.
Interface with operations, project teams and other engineering disciplines.
Ensure compliance with nuclear industry standards and design governance processes.
Provide technical leadership and mentoring to junior engineers where required.
Requirements
Degree qualified in Mechanical Engineering or related discipline.
Significant experience delivering mechanical engineering design within highly regulated industries (nuclear, defence, petrochemical, oil & gas, power generation or similar).
Experience producing and checking engineering calculations and technical documentation.
Strong understanding of engineering lifecycle and design processes.
Ability to work effectively within multi-disciplinary project teams.
Previous Sellafield or nuclear site experience is highly desirable.
Chartered Engineer status (or working towards Chartership) would be advantageous.
This is an excellent opportunity to secure a long-term contract on a high-profile programme delivering critical engineering support across operational nuclear facilities
Reference: 225277356
https://jobs.careeraddict.com/post/113445847
Senior Mechanical Engineer
Posted on Jun 22, 2026 by CV-Library
Warrington, Cheshire, United Kingdom
Engineering
Immediate Start
£55 - £60 Hourly
Contract/Project
Senior Mechanical Engineer x3
Location: Warrington or Cumbria (Hybrid Working)
Rate: £60.00 per hour (Umbrella PAYE)
Duration: 12-month contract (likely extension)
Start Date: ASAP (subject to security clearance)
We are recruiting for 3 Senior Mechanical Engineers to join a major programme with a leading Tier 1 contractor supporting one of the UK's most complex nuclear sites.
The role will involve providing plant-facing engineering and design support across operational and decommissioning facilities, delivering modifications, maintenance-driven design changes, asset care improvements, and solutions to emergent plant issues. Working within an integrated, multi-disciplinary engineering team, you will be responsible for producing and reviewing high-quality engineering deliverables while supporting the safe and efficient operation of nuclear facilities.
Key Responsibilities
Lead and deliver mechanical design and engineering packages.
Produce and review calculations, specifications, technical reports and design documentation.
Support plant modifications, asset care and operational improvement projects.
Interface with operations, project teams and other engineering disciplines.
Ensure compliance with nuclear industry standards and design governance processes.
Provide technical leadership and mentoring to junior engineers where required.
Requirements
Degree qualified in Mechanical Engineering or related discipline.
Significant experience delivering mechanical engineering design within highly regulated industries (nuclear, defence, petrochemical, oil & gas, power generation or similar).
Experience producing and checking engineering calculations and technical documentation.
Strong understanding of engineering lifecycle and design processes.
Ability to work effectively within multi-disciplinary project teams.
Previous Sellafield or nuclear site experience is highly desirable.
Chartered Engineer status (or working towards Chartership) would be advantageous.
This is an excellent opportunity to secure a long-term contract on a high-profile programme delivering critical engineering support across operational nuclear facilities
Location: Warrington or Cumbria (Hybrid Working)
Rate: £60.00 per hour (Umbrella PAYE)
Duration: 12-month contract (likely extension)
Start Date: ASAP (subject to security clearance)
We are recruiting for 3 Senior Mechanical Engineers to join a major programme with a leading Tier 1 contractor supporting one of the UK's most complex nuclear sites.
The role will involve providing plant-facing engineering and design support across operational and decommissioning facilities, delivering modifications, maintenance-driven design changes, asset care improvements, and solutions to emergent plant issues. Working within an integrated, multi-disciplinary engineering team, you will be responsible for producing and reviewing high-quality engineering deliverables while supporting the safe and efficient operation of nuclear facilities.
Key Responsibilities
Lead and deliver mechanical design and engineering packages.
Produce and review calculations, specifications, technical reports and design documentation.
Support plant modifications, asset care and operational improvement projects.
Interface with operations, project teams and other engineering disciplines.
Ensure compliance with nuclear industry standards and design governance processes.
Provide technical leadership and mentoring to junior engineers where required.
Requirements
Degree qualified in Mechanical Engineering or related discipline.
Significant experience delivering mechanical engineering design within highly regulated industries (nuclear, defence, petrochemical, oil & gas, power generation or similar).
Experience producing and checking engineering calculations and technical documentation.
Strong understanding of engineering lifecycle and design processes.
Ability to work effectively within multi-disciplinary project teams.
Previous Sellafield or nuclear site experience is highly desirable.
Chartered Engineer status (or working towards Chartership) would be advantageous.
This is an excellent opportunity to secure a long-term contract on a high-profile programme delivering critical engineering support across operational nuclear facilities
Reference: 225277356
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