Maintenance jobs in United Kingdom

We are the leading provider of infrastructure services. At Altrad, we transform our nation’s critical infrastructure to operate safely and sustainably.

With over 11,000 talented people, we provide the full spectrum of critical engineering and construction services for industries both onshore and offshore.

Join a Leading Organisation in the Nuclear Industry.

As a Mechanical Engineer within the nuclear defence sector, you will play a key role in the design, development, and maintenance of vital mechanical systems that support national defence infrastructure. The position requires ensuring compliance with strict safety, regulatory, and security standards while contributing to the performance, reliability, and integrity of complex engineering projects.

This role is predominantly home‑based, providing flexibility in day‑to‑day working arrangements, with occasional site visits required for project meetings, inspections, and commissioning activities.

• Develop, assess, and maintain project and design documentation, including design changes and concessions.
• Produce and manage EIMT schedules, procedures, and results to meet design and safety case requirements.
• Prepare and review safety reports and technical justifications for mechanical design modifications.
• Provide technical guidance to internal and external stakeholders.
• Conduct Independent Technical and Peer Reviews (ITA/IPR).
• Apply engineering principles to the design, operation, and maintenance of systems in nuclear or high‑risk environments.
• Review and verify calculations, technical reports, and safety case submissions from colleagues and contractors.

• Minimum 5 years’ experience in mechanical plant and installation design assessment.
• Proven ability to produce technical justifications for mechanical design modifications.
• Strong application of engineering knowledge to existing and emerging technologies.
• Experience providing mechanical input to multi‑discipline projects.
• Degree in a relevant engineering discipline.
• Incorporated Engineer (or equivalent experience).
• Experience within nuclear or similar high‑hazard environments.
• Knowledge of full lifecycle engineering processes in high‑risk industries.
• Familiarity with safety case development and hazard studies (e.g. HAZID/HAZOP).
• Chartered Engineer status.

• Work on high‑impact projects within a leading organisation at the forefront of the nuclear industry.
• Competitive salary and benefits package.
• Opportunities for career growth and professional development.
• Collaborative and dynamic work environment with a focus on innovation and excellence.

• Mid‑Senior level

• Full‑time

• Engineering Services and Construction