Nuclear Security Officer

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Nuclear Security Officer (4 on 4 off Shift Pattern)

Current salary: £14.86 - £15.00 per hour with an annual salary of £31,536 - £32,848 based on an average of 42 hours.

Recruiting now for June 2026. Shift pattern: 12‑hour shifts including days & nights (2D & 2N). Includes working on public bank holidays & weekends. Pattern: 2 x 12‑hour on day shifts, 2 x 12‑hour night shifts, then 4 shifts off.

To protect our customer's property, people and/or assets by providing security operations in direct accordance with the site's published Assignment Instructions (AI’s) and any subsequent changes. Respond to emergency situations. Deliver the service level agreement for the customer through full responsibility and accountability, in providing a service that aids in the retention of the contract. Undertake additional training to ensure continuous self‑development.

• Manage access and exit points, including vehicle searches, pass verification, and intelligence gathering.
• Oversee the control and safe custody of contraband and prohibited items.
• Conduct thorough internal and external patrols of the estate, utilizing patrol vehicles and systems as required.
• Accurately complete incident reports and daily occurrence logs to ensure timely and precise documentation.
• Maintain awareness of, and compliance with, all relevant policies, legal, and regulatory requirements as directed by the Security Account Manager and in accordance with UK law and guidance.
• Collaborate closely with the Civil Nuclear Constabulary and Cumbria Constabulary to uphold site safety and security.
• Fulfil all assigned tasks and duties as outlined in the published Assignment Instructions.
• Regularly review Assignment Instructions to stay updated on changes and proactively suggest improvements to enhance service quality.
• Ensure compliance with industry and statutory legislation, including Security Industry Authority standards, client security policies, and regulations from the Office for Nuclear Regulation and Nuclear Decommissioning Authority.
• Adhere to all legal and safety obligations associated with the role.
• Follow instructions and procedures diligently and systematically.
• Maintain vigilance at all times, reporting incidents to supervisors or management via radio or telephone as necessary.
• Be prepared for prolonged periods of standing, walking, bending, and direct interaction with visitors, working in both indoor and outdoor environments.
• Due to site requirements, you may be required to work in trace active areas.

• Successfully complete all required training, competency assessments, and upskilling as needed.
• Pursue additional training for ongoing self‑development, as directed by the Security Account Manager.
• Leverage technology to achieve key objectives and continuously expand job knowledge through professional development.
• Remain vigilant for any health and safety hazards or potential risks on site and report them immediately.
• Stay alert to threats or changes in the work environment, taking prompt action to minimize disruption, loss, or damage.
• Use sound judgment and initiative, involving others immediately if a situation appears threatening.
• Maintain professional conduct when faced with challenging situations or customers.
• Record detailed and accurate notes as soon as possible after any incident, supporting the incident reporting process.
• Adhere to schedules and demonstrate commitment to both Mitie and the client.
• Ensure check calls are made at the designated times as outlined in the Assignment Instructions.
• Contact emergency services and the Communication Centre to report all incidents.

• Previous Security Experience (desirable, not essential)
• SIA License (desirable, will be provided)
• Customer Service experience (beneficial)
• Full UK Driving Licence preferred but not essential
• SC Clearance (Desirable) but must be obtained as a condition of employment

• Up to 20 days annual leave
• Pension
• SIA licence renewal support
• Employee Assist Programme for all staff
• 24‑hour access to GP Services
• Life assurance policy
• Extra holiday after 3 years service
• Employee retail and leisure discounts
• Save As You Earn Schemes and other employee benefits
• Company shares schemes
• Virtual GP, finance schemes, discount platforms, and additional support services

We are committed to ensuring our recruitment process is inclusive and accessible to all. If you have a disability or long‑term condition (for example dyslexia, anxiety, autism, a mobility condition or hearing loss) and need us to make any reasonable adjustments, changes or do anything differently during the recruitment process, please let us know by emailing at.