Relief Security Officer

Job Overview

Protect our customer's property, people, and/or assets by providing security services in direct accordance with the site's published Assignment Instructions (AI’s) and any subsequent changes. Deliver results that meet or exceed Key Performance Indicators/Service Level Agreements through full responsibility and accountability, supporting contract retention. Undertake additional training for continuous self‑development.

• Be aware of and ensure compliance with all policies, legal, and regulatory requirements directed by the Security Account Manager and in accordance with UK law and guidance bodies.
• Fully complete all tasks and duties on site as defined within the published Assignment Instructions (AI’s).
• Proactively review the Assignment Instructions, familiarise yourself with changes, and suggest amendments that improve service levels.
• Maintain compliance with industry and statutory legislation, including possession of a front‑line licence in either Security Guarding or Door Supervision, a CCTV PSS SIA Licence, and any additional required courses.
• Comply with legal obligations and safety requirements of the role.
• Follow instructions and procedures appropriately without unnecessarily challenging authority.
• Work systematically, methodically, and orderly.

• Fully complete all required competency training.
• Undertake additional training for continuous self‑development directed by the Security Account Manager.
• Use technology to achieve key work objectives and develop job knowledge through continual professional development.
• Renew licence at least 16 weeks before expiry.

• Immediately report any health & safety hazards or potential hazards on site.
• Stay alert to threats or changes and take appropriate action to reduce disruptions, loss, or damage.
• Use common sense and initiative, involving others if a situation appears threatening.
• Maintain professional conduct in difficult situations and challenging customer interactions.
• Complete an accurate, detailed notebook entry after any incident for the Incident Report process.
• Adhere to schedules and demonstrate commitment to Mitie and the Client.
• Ensure check calls are carried out at the allocated time slot as stipulated in the Assignment Instructions (AI’s).
• Call emergency services and the Communication Centre to report all incidents.

• Previous security experience.
• SIA licence.
• SC clearance desirable.

Our market‑leading flexible benefits scheme provides benefits that suit your lifestyle, including: a virtual GP, financial wellbeing assistance through Salary Finance, customisable benefits via the Choices platform (dental insurance, dining cards, technology products, etc.), MiDeals high‑street discounts, a cycle‑to‑work scheme, life cover (greater of your equivalent annual salary or a minimum of £10,000), a save‑as‑you‑earn scheme, and a Mitie Matching Share Plan.

Employees may also earn Mitie Stars, with monthly cash prizes and an annual top prize of £10,000.

We are committed to ensuring our recruitment process is inclusive and accessible to all. If you have a disability or long‑term condition (e.g., dyslexia, anxiety, autism, a mobility condition, or hearing loss) and need us to make reasonable adjustments during the recruitment process, please let us know by email.