Job Description

Provide a support service to aid in the execution of Operational Technology Group (OTG) Delivery.

Principal Accountabilities

• Perform simple system modifications (under supervision).
• Perform low complexity software modifications with no/minimal supervision such as virus engine updates, mimic changes and Temporary Software Modifications (TSM’s) made permanent.
• Perform breakdown recoveries under supervision.
• Perform a limited number of duties requiring a PES nomination.
• Perform routine EIM&T on systems using written instructions – PES nomination required.
• Perform interrogation of systems to collate data, for either analysis for information reports or to identify faults and make repairs within core skills.
• Management of PCBTs and other PC based peripherals, off-line development systems, test environments and IT equipment. Register, store and update of PCBTs and other PC based equipment used to support PES maintenance (does not include standard infrastructure IT equipment) including installation of databases, images, virus updates etc.

Knowledge & Experience

• Experience within a Control Systems, CE&I or software/IT background.
• Experience of working in an operational plant environment delivering structured maintenance activities, control systems, and system improvements.
• Evidence of previous plant process knowledge and experience.
• Demonstrable evidence of working in teams.
• PES nomination.

Essential Skills

• Provide demonstrable evidence of knowledge of PES technologies including PLC, SCADA, DCS, MIS/HLS and Networks.
• Provide evidence of an understanding of the PES modification lifecycle.
• Demonstrable experience in Counterfit, Fraudulent, Suspect items identification, escalation and quarantine processes required.
• Can provide evidence of an understanding of the PES Management (specifically PCBT) lifecycle.
• Can provide evidence of knowledge and creation of Control Systems Working Level Instructions.
• Evidence of good communications skills with the ability to interact at all levels of the organisation providing advice, guidance and training

Desirable Skills

• Demonstrate an understanding of Sellafield Site management arrangements and standards with evidence of application and adherence of the Discipline Maintenance Standards, Human performance 5 core tools and/or similar QMS processes.
• Completion of a recognised apprenticeship scheme with typically more than 2 years’ experience.
• Accredited to an appropriate professional body, as an Engineering Technician (EngTech) or capable of attaining this.

Additional Information

• Open VN
• Number of Vacancies: 2
• Contact/s: Russell Fye

The interviews for this vacancy are expected to be 17th & 18th September 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.

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:
4.1.1 Commitment to Nuclear Safety and Security – Level 2
4.1.3 Problem Solving – Level 2
4.3.4 Leading by Example – Level 2

Technical:
312.3 Knowledge of management systems – Level 2
34.2 Delivering Engineering Solutions Level 2
38.3 Information Technology Technical Expertise – Level 2

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
Challenges of a Control System Engineer.

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 1st September 2026.