Job Description
We are seeking a Senior Mechanical Equipment Engineer to support a major nuclear programme based in Oxfordshire. This is a long-term contract opportunity working within an active nuclear environment, supporting detailed design, works testing, and equipment delivery.
Key Responsibilities:
* Deliver detailed design and specification of mechanical equipment including pumps, valves, and HVAC systems
* Produce and review equipment specifications, datasheets, and technical documentation
* Support works testing, installation, and commissioning activities
* Liaise with internal teams, vendors, and stakeholders to ensure equipment meets operational and safety requirements
* Support post-operational activities including equipment associated with cleanout and grit-blasting processes
* Ensure compliance with nuclear safety standards and project requirements
Qualifications
Required Skills:
* Experience working as a Mechanical Equipment Engineer in a Senior or Principal capacity
* Strong detailed design experience within complex engineering environments
* Experience specifying and supporting mechanical equipment such as pumps, valves, and HVAC systems
* Experience supporting works testing and equipment verification
* Ability to work within highly regulated or safety-critical environments
Required Qualifications:
* A Bachelor’s or Master’s degree in Engineering, or equivalent military experience.
Desirable Skills:
* Nuclear industry experience, particularly within active or operational facilities
* Experience supporting decommissioning, maintenance, or post-operational cleanout activities
* Familiarity with nuclear site procedures and safety requirements
Additional Information
Why join us?
We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.
At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.
Join a passionate team and help build tomorrow, today.
In short you get:
* A personalised career path and a rewarding management style
* A huge diversity of engineering projects and industries
* Private Medical Insurance
* Cycle & Tech Scheme
* Employee assistance programme
* Life insurance & Pension Scheme
* Social atmosphere, regular gatherings & team buildings
* Flexible way of working (role dependent)
We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes.
This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected. Details of this will be discussed with you at interview.