Relief Security Officer (Days/Nights)
| Posting date: | 19 November 2025 |
|---|---|
| Hours: | Part time |
| Closing date: | 17 December 2025 |
| Location: | HA4 6NS |
| Company: | Mitie |
| Job type: | Permanent |
| Job reference: | 86400 |
Summary
Job Overview
An exciting opportunity has arisen to join the team on a prestigious Transport for London (TfL) contract. We are seeking a dedicated Night Relief Security Officer to support sites.
The role involves ensuring compliance with all security, incident management, and health & safety procedures, while acting as the primary point of contact for the London Underground central operations team, Mitie management, and emergency services.
As a relief officer, you will cover multiple sites, providing a professional and adaptable service to protect property, assets, and people in line with Assignment Instructions (AIs).
Key Responsibilities
Operations
· Ensure compliance with all site policies, Assignment Instructions, and UK legal/regulatory requirements.
· Carry out security patrols as stipulated.
· Support investigations, produce reports, and escalate incidents when required.
· Provide effective incident management and liaise with emergency services where necessary.
· Follow procedures and instructions appropriately without unnecessary escalation.
Training & Development
· Complete all mandatory training and competency requirements.
· Undertake continuous professional development to enhance knowledge and skills.
· Maintain and renew SIA licence (renewal required 16 weeks before expiry).
· Learn and operate various security systems effectively.
Security & Health & Safety
· Remain alert to threats or environmental changes that may cause risk.
· Report and respond to Health & Safety hazards promptly.
· Maintain professionalism in challenging situations and with difficult customers.
· Ensure accurate incident reporting in line with procedures.
· Adhere to schedules, check calls, and assignment instructions.
· Call emergency services and report incidents to the Communication Centre.
What We're Looking For
· Essential:
o Previous security experience
o Valid SIA Licence (Security Guarding or Door Supervision)
o Strong report writing and communication skills
o Ability to remain calm and professional under pressure
o Willingness to travel within 1 hour from your home address
o Must pass a Medical (drug and alcohol test), WSI (Work Safety Induction), DTA (Free Oyster Travel CardDepot Track Access). Note: Failure to successfully pass the above course will result in your offer being retracted.
· Desirable:
o SC Clearance (or ability to obtain)
o Good IT/system skills
o Friendly, approachable, and team-oriented attitude
What We Offer
· £13.85 per hour
· Continuous training and development opportunities
· Opportunity to work on a high-profile London Underground contract
· Supportive team environment within a professional security service
Free Oyster Travel Card