A unique place to grow your career

At Sellafield Ltd, we are harnessing our expertise; bringing together world-class skills and innovative technology to solve complex nuclear, infrastructure, and engineering challenges. By joining Sellafield Ltd, you join an amazing team of people, from all walks of life, where you can thrive in a connected, considerate culture of innovation, collaboration, and community; and play a significant part in the UK’s sustainable nuclear future.

About the role

To provide specialist Ventilation technical engineering support and investigative expertise in support of the Sellafield Ventilation Technical Specialist Group, an Enterprise-wide Ventilation specialist team that is responsible for Engineering support activities to the facility. The Engineer develops and maintains expertise on ventilation equipment and uses this knowledge to ensure that the overall performance, safety, condition and associated documentation of assigned equipment are maintained to a high standard. You must have the ability to work under pressure and remain decisive.

Key responsibilities

• To provide technical support & investigative expertise in support of new and existing ventilation systems.
• To undertake ventilation asset condition and system health performance inspections, in line with the ventilation asset maintenance/management inspection programme.
• Provide ventilation and HEPA filter commissioning support service to the Sellafield site.
• Providing expertise to ensure ventilation systems are fit for purpose and meet current standards.
• Working closely with Plant & Reliability Engineers from across the business to manage the ventilation assets efficiently and effectively.
• Follow the company Standards & Expectations.
• Provide a professional service to all customers.
• Maintain compliance with all site safety rules, procedures & instructions.
• Ensure safety is maintained through appropriate training.

Your Skills and Qualifications

Knowledge & Experience:
• Higher level qualification or equivalent training/experience in an engineering/maintenance discipline.
• Experience of working at height and in confined spaces.
• SC (Security Check) level Security Clearance, or the ability to achieve.
• Chartered/Incorporated Engineer status or potential to achieve accreditation to an appropriate professional institute within the mechanical engineering field.
• Experience of coaching and developing others.

Essential Skills:
• Higher level qualification or equivalent training/experience in an engineering/maintenance discipline.
• Demonstrable experience of working in a ventilation engineering environment including experience and provision of technical support & investigative expertise in support of new and existing nuclear or industrial ventilation systems and equipment.
• Demonstrable experience of acting as a subject matter expert for both internal and external stakeholders for ventilation equipment.
• Evidence of undertaking ventilation asset inspections and system performance checks in line with an engineering or maintenance programme, ensuring / improving plant and equipment reliability and availability.
• Experience of producing written reports and populate test sheets using standard IT software packages.

Desirable Skills :
• Chartered/Incorporated Engineer status or potential to achieve accreditation to an appropriate professional institute within the mechanical engineering field.
• SC (Security Check) level Security Clearance, or the ability to achieve.
• Demonstrable evidence of ventilation flow measurement techniques & associated test equipment.
• Have experience of providing ventilation commissioning support on new or modified ventilation systems, including undertaking, or having a sound knowledge of proportional balancing of ventilation supply and extract systems.
• Experience of working safely at heights and within confined spaces.
• Local Exhaust Ventilation (LEV) testing and reporting (P601 Training)
• CSA Training (Level A, B or C)

Why us?

At Sellafield Ltd, we are committed to supporting our employees in fulfilling their potential. With 100 years of work in front of us, we offer comprehensive training and development opportunities, enabling you to feel inspired in your role. Whatever area you join us in, you’ll find a genuinely exciting and rewarding career.

Making sure our employees feel supported is important to us. Therefore, to help you get the most out of life in and outside of work, we also offer a range of employee benefits:
• You will benefit from an annual bonus of up to 10% – 15%, made up of company and personal performance
• An attractive defined contribution pension scheme – the company will match up to 13.5% for a 7%
employee contribution!
• 30 days annual leave + bank holidays. Plus, the ability to purchase an extra 2.5 days per year.
• The ability to carry over 10 days annual leave each financial year
• Paid Sick Leave
• Family Friendly Policies – Visit our Rewards & Benefits page to read more
• Cycle to Work Scheme
• Lifestyle Benefits sasra.co.uk
• Learning & Development Opportunities https://careers.sellafieldsite.co.uk/work-with-us/learning-anddevelopment/
• Reward & Recognition Policies
• Welfare & Employee Assistance Programme
• Free Aviva Health App & Annual Health Check
• MyDiscounts – Employee Savings & Discounts
• MyBenefits – A Charity Giving Scheme
• Many, many more! Click this link to visit our Rewards & Benefits page:
https://careers.sellafieldsite.co.uk/work-with-us/rewards-and-benefits/

Additional Information

• The closing date for this vacancy is Sunday 8th March 2026.

• In the event of a high number of responses to any advert, Sellafield Ltd reserves the right to close the advert early. Once closed, the advert will be removed from our website. We encourage you to submit your application as soon as possible to avoid disappointment.

• As part of the application process you will be asked to provide evidence of your qualifications. Attaching them at application stage will ensure a smooth process and prevent delays.

• A minimum of 3 GCSEs at Grade 4/Grade C or above in English, Maths & Science (or equivalent). Functional Skills Level 2 will also be considered as equivalent to GCSE Grade 4 (Grade C). Other equivalent qualifications may be considered.

• Higher level qualification or equivalent training/experience in an engineering/maintenance discipline.

• Please regularly check your Spam/Junk folders for news about this vacancy, correspondence could contain invitations to interview and other important updates.

• Sellafield Ltd are recognised as a Disability Confident Employer (Level 3). Disability Confident employers offer an interview to disabled applicants that meet the minimum criteria for a vacancy. Sellafield Ltd define the minimum criteria as the ‘essential skills’ which are listed on the vacancy notice. Whilst completing your application form, you will be able to indicate if you wish to be considered under the disability confident scheme. If you would prefer to discuss this directly with us, please contact the GBS Recruitment team on recruitment@sellafieldcloud.co.uk

• Please be aware that this role is subject to achieving security clearance. This role requires higher level of National Security Vetting where applicants must typically have 5 or 10 years of continuous residency in the UK. Factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the level of clearance you’re able to achieve.