Relief Security Officer

Better places, thriving communities.

Location: Belfast

Company: Mitie Security Limited

Reporting to: Team Leader

Hourly rate: £15.50

Shift length: 12h shifts

Weekly Hours

As a Relief Officer, you'll provide flexible operational cover across the site, supporting planned and unplanned absences, annual leave.

• Variety every shift – no two days are the same, from access control and patrols to emergency response and incident management
• High-profile environment – work within a secure aviation and manufacturing site where what you do genuinely matters
• Be more than just security – this is a true Protection Officer role with responsibility, trust and visibility
• Full training provided – gain specialist skills in emergency response, first aid, fire safety, aviation security and more
• Career development – build experience that opens doors within aviation security, emergency response and specialist operations
• Team-focused culture – work alongside professional colleagues in a structured, safety-first environment
• Pride in purpose – play a key role in protecting people, assets and critical operations every single day

We're recruiting Relief Security Officer to join our Emergency Response Team supporting a prestigious client in the Aviation & Manufacturing sector. This is a varied, operational role focused on maintaining a secure, safe and resilient manufacturing environment
, while responding effectively to security, safety and emergency incidents.

You’ll engage with employees, contractors, visitors and external agencies, acting as a professional first responder and a visible ambassador for safety and security on site. Full training is provided.

• Deliver reception-based security and administrative duties
• Control site access for personnel, visitors and vehicles, including inductions, , keys and passes
• Conduct searches to protect client assets, materials and IT equipment
• Patrol the site (foot, mobile and CCTV), monitoring critical infrastructure, behaviour, drone activity and suspicious items
• Monitor and respond to fire, intruder and building alarms, logging all actions and outcomes
• Act as first responder to security, fire, medical and environmental incidents
• Carry out emergency response activities including first aid, fire response and incident containment
• Perform routine system, alarm and safety checks; report faults via CAFM/estates systems
• De-escalate conflict professionally in line with legislation, client and Mitie policies
• Accurately report incidents, near-misses and breaches, gathering evidence and statements
• Work closely with client security management and operational teams
• Adhere to PPE, health & safety, GDPR and cyber security requirements

• Conduct fire and health & safety checks and elevate risks
• Respond to chemical spills, flooding and environmental hazards
• Provide first aid and coordinate emergency services where required
• Support fire incidents within training scope and liaise with Fire & Rescue Services
• Use body-worn cameras, radios and emergency response driving awareness as required

• Excellent written and verbal communication skills
• Valid SIA Door Supervisor licence (CCTV licence or willingness to obtain)
• Full UK driving licence and access to transport
• Right to work in the UK with 5-year checkable background
• British nationality or UK residency for 5 years
• Ability to obtain CTC (Counter Terrorism Clearance)
• Flexible to work days, nights and weekends
• Professional, proactive and calm under pressure
• Strong attention to detail and report writing skills
• IT literate (Microsoft Office / Outlook)
• Physically fit with the stamina to perform emergency response duties

• Fire safety experience
• Aviation security experience

Emergency response driving awareness, first aid (IEC
- Immediate Emergency Care including delivery of medical gasses), fire safety and extinguishers, aviation security, CCTV/control room operations, COSHH, spill response, working at height, JESIP and more.

Our market-leading flexible benefits scheme provides you with benefits…