Nuclear Commissioning Engineer

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.

Our teams of passionate and agile engineers work on cutting‑edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today.

Join us and start building tomorrow’s world today!

Job Description

We are seeking an experienced Commissioning Capability Engineer to lead the development and implementation of commissioning processes for complex projects within the Nuclear Sector. The successful candidate will ensure that rules, tools, and methods are in place during the detailed design stage, working closely with the design team to embed best practice from the outset.

• On Site: 1-2 days on any of the sites
• Clearance: BPSS
• Experience Level: 5- 10YOE

Key Responsibilities:

• Lead the commissioning capability function , ensuring robust processes, tools, and guidance are established.
• Engage with the design team, providing feedback, “dos and don’ts,” and best-practice guidelines for commissioning activities.
• Develop and maintain commissioning assessment processes.
• Apply SQEP (Suitably Qualified and Experienced Person) principles to commissioning guidance and oversight.
• Contribute to the continuous improvement of commissioning processes and capability development.
• Ensure compliance with export control and DOE 810 nationality restrictions .
• Support the execution of large, complex programmes of work within a regulated environment.

Qualifications

Required Skills:

• Proven experience in commissioning within nuclear, oil & gas, pharmaceutical , or other heavily regulated industries.
• Demonstrated ability to establish commissioning rules, tools, and methods at the detailed design stage.
• Experience delivering large, complex programmes of work.
• Strong stakeholder engagement and communication skills.
• Familiarity with regulatory frameworks and export control considerations.
• Ability to work within multidisciplinary teams and provide constructive guidance to design teams.

Required Qualifications:

• A Bachelor’s or Master’s degree in Mechanical or electrical engineeringorequivalent military experience

Additional Information

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.

• A personalised career path and a rewarding management style
• A huge diversity of engineering projects and industries
• Private MedicalInsurance
• 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.

ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know.

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.

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