Job Description

VTSG is currently recruiting for two permanent positions. One role is available for immediate appointment, while the second position is expected to be filled at a later date.

One position is supervisory and one is non-supervisory. Please indicate in your application which role you wish to be considered for.

1. Role Purpose

To provide technical expertise and guidance in support of Engineering and Maintenance delivery for an assigned group of ventilation assets. Ensuring that the maintenance and operation of the system(s) are performed and managed safely in accordance with Site Licence Conditions and other pertinent regulations.

Deliverables:

Non-Supervisory Deliverable
• Act as the Ventilation Asset Delivery Subject Matter Expert (SME), leading the development, implementation and governance of the VTSG Route Map and associated arrangements for:
• Asset Tag Hierarchy
• Asset Importance Categorisation
• System Health Reporting
• Asset Condition Assessment
• Asset Performance and Reliability
• Spares Management, Obsolescence and Single Point Vulnerabilities
• Asset Risk and Urgency Index (ARUI)Scoring

Supervisory Deliverable
• Manage the VTSG Early Careers Ventilation Equipment Services Engineer team, which may include Degree Apprentices, Graduate Trainees, and newly appointed or developing Ventilation Equipment Services Engineers. Provide effective line management, coaching, mentoring and performance oversight, ensuring individuals are supported throughout their development and progression in accordance with LA 4.18, including the completion of training logbooks, mentor guides and other development requirements as appropriate.

Key Deliverables
• Deliver Ventilation Equipment Services Engineer asset care activities in accordance with VTSG LA 4.22 and LA 4.9 across assigned facilities and areas of responsibility, including Annual Health Reporting, Asset Condition Assessments and LEV Testing.
• Implement site arrangements that meet regulatory requirements and relevant industry good practice for ventilation systems, as directed by the Principal Engineer and Leadership Team.
• Lead reviews and drive continuous improvement of processes and procedures in response to assurance findings, industry best practice and customer feedback.
• Act as an Intelligent Customer within the field of expertise, ensuring technical and engineering requirements are clearly defined, challenged and effectively managed.
• Lead technical investigations into system and facility issues, particularly recurring problems, coordinating corrective maintenance actions through Breakdown Boards and ensuring lessons learned are captured and shared.
• Support the development and alignment of maintenance strategies through the agreed Technical Basis of Maintenance and Ageing and Degradation processes, escalating issues as required to Programme Leads and the Principal Ventilation Engineer.

Knowledge & Experience

• Higher level qualification or equivalent experience in mechanical engineering with knowledge and understanding of Nuclear Ventilation Systems.
• Knowledge of site Reliability Engineering and Asset Management processes.
• 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 effectively communicating and implementing changes to working practices.
• Experience in the interrogation of asset management data systems Experienced in coaching and mentoring others.

Essential Skills

• Higher level qualification in Mechanical Engineering, or equivalent experience, with a sound understanding of nuclear ventilation systems and their application within a regulated environment.
• Demonstrable experience providing technical leadership and engineering support within a nuclear ventilation environment, including oversight of investigations and engagement with customers and stakeholders.
• Proven ability to act as a Subject Matter Expert on ventilation-related matters, providing specialist advice and influence across a multi-disciplinary organisation.
• Experience reviewing, developing and improving ventilation engineering documentation, processes and procedures to support compliance and continuous improvement.
• Knowledge and understanding of Reliability Engineering and Asset Management principles, with experience supporting asset performance, reliability and lifecycle management activities.
• Demonstrable ability to coach, mentor and develop others, supporting capability growth and knowledge transfer in line with approved practices.
• Effective communication and stakeholder engagement skills, with the ability to influence and collaborate across all levels of the organisation.

Desirable Skills

• Chartered/Incorporated Engineer status or potential to achieve accreditation to an appropriate professional institute within the mechanical engineering field.
• Have experience of providing ventilation Commissioning Intelligent Customer support on new or modified ventilation systems, including having a sound knowledge of proportional the balancing of ventilation systems.
• Evidence of leading ventilation asset inspections and system performance checks in line with an engineering or maintenance programme, ensuring / improving plant and equipment reliability and availability.
• Experience in delivering Nuclear Ventilation System examination, inspection and testing, including Local Exhaust Ventilation (LEV in line with accredited LEV qualification (P601).
• Demonstrable experience of acting as a subject matter expert on Enterprise-wide ventilation matters.
• Evidence of reviewing, developing and improving ventilation technical documentation.
• Experience of undertaking Assurance Activities in line with site arrangements.
• Evidence of contributing to the review all design proposals, testing and installation procedures and modification reviews providing technical guidance as required to ensure effective and smooth change transitions.
• Experience of supporting the development of modifications including identification of need, requirements and design work to enable optimal system performance.

Additional Information

• Open VN
• Number of Vacancies: 2
• Contact/s: David Williamson or Adam Mawson

The interviews for this vacancy are expected to take place 12th & 13th November 2026.

ASW’s may have the right to apply for internal Sellafield Ltd vacancies. Please note if you are an Agency Supplied Worker you are required to attach evidence of all qualifications obtained to support your application. We require a minimum of A*-C (9-4) GCSE in English Language, Maths & Science/IT or equivalent / higher qualification.

Contracted Supply Workers (CSWs) are not eligible to apply to internal vacancies. CSWs are welcome to apply to external vacancies advertised on our external vacancies board.

If you choose to apply for this role and your application is shortlisted by the hiring manager, you will be invited to a competency based interview. In the interview, you will be assessed against the below competencies:

Behavioural Non-Supervisory Role:
1. Commitment to Nuclear Safety & Standards L3
2. Collaboration & Teamwork L3
3. Leading Change L2

Behavioural Supervisory Role:
1. Commitment to Nuclear Safety & Security L3
2. Coaching & Developing Others L3
3. Leading Change L2

Technical – Both Roles:
1. Maintenance Strategy – A5
2. Condition Assessment – G1
3. System Monitoring – G2

Please see link to the competency framework for further information:
https://slportal.ssa-intra.net/pub/SC001/00027/Competency%20Framework/Forms/AllItems.aspx

If your technical competency is not in the above framework, please refer to the profession’s share point page for further information.

During the interview, you will also be expected to give a 10 minute presentation on:
“How you have personally delivered an improvement that has provided a business change.”

This presentation should be sent to recruitment@sellafieldcloud.co.uk via email at least two working days before your interview. You should also take four paper copies of your presentation to your interview in case of any IT issues on the day.

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 ensure that you save a copy of this advert for future reference if you make an application for this role.

The closing date for this vacancy is Monday 26th October 2026.