Posted on October 13th, 2025
As a Specialist Executive Security Operative (SESO) with G4S, you won't be a standard Security Officer, you'll be fulfilling a strategic and specialised function, encompassing mobile patrol and rapid response duties. This critical role demands exceptional self-discipline, professionalism and soft management skills, and you will be operating as a key point of on-site primary liaison at a variety of different locations in Southern England (Home Counties).
Based out of Bracknell, you will be covering high value properties spread across the Home Counties to the South of London.
You must have a valid Door Supervisor license and a Full UK Manual Driving License to be considered for this role.
Contract Information
Shift Pattern: You will be part of a 2 man team, working a 4-on, 4-off shift pattern
Hours per week: 42 hours a week, 12 hour shifts. This is a nights only role - 20:00-08:00
SIA Licenses: Door Supervisor only
Please note, you will need to upload an up to date CV to be considered for this position.
Your Time at Work
Your core mission is to proactively and discretely fulfil a dynamic vehicular and on-foot patrol schedule to help ensure the safety and security of our customers' high-value premises, assets and personnel, while consistently delivering an uncompromising level of service.
We pride ourselves on maintaining a secure environment within prestigious residential properties located in salubrious surroundings, and your contribution to maintaining these exacting standards is paramount. The role requires SESOs to provide a rapid, lawful and effective response to all security and safety incidents, rigorously adhering to established operational procedures and customer protocols.
Your duties will include:
- Respond to intruder alarm activations and emergency incidents. Manage emergencies and incidents by acting as the primary first responder, remaining calm and assertive
- Perform lock and unlock services across multiple sites, as and when required
- Proactively monitor and secure designated premises (by vehicle and/or on foot) to maintain safety and security, applying developed situational awareness and keen observational skills
- Provide immediate support, respond to intruder alarm activations and address calls for service and emergencies, including instances of trespass or potential criminal activity. Collaborating effectively with local law enforcement and emergency services as required
- Conduct thorough perimeter checks and patrols to maintain the security of all buildings and grounds to detect signs of intrusion, vandalism or suspicious activity
- Key holding: safeguard and manage site keys responsibly in accordance with British Standard 7984.
- Ensure daily vehicle checks, maintenance and services are carried out
- Oversee incident management, manage key holding responsibilities, conduct investigations into suspicious activity and ensure accurate and timely incident reporting
Our Perfect Worker
We are seeking a candidate with a proactive, collaborative work ethic with proven security knowledge and experience. You must be/have:
- A confident communicator and team player with excellent IT skills.
- Flexible and available to fulfil a varied shift pattern, including nights and weekends.
-Strong communication and interpersonal skills
- Ability to remain calm under pressure
- Experience as a Mobile Security Officer (Preferred but not essential)
Key Information and Benefits
- 5.6 weeks paid holiday (8 of these will be in lieu of bank holidays - subject to shift pattern and accrual).
- Workplace pension scheme.
- Life assurance benefit.
- Financial support for SIA Licence & renewal.
- Contributory Healthcare Scheme.
- Eye care vouchers.
- Employee Discount Schemes, plus additional on-site benefits!
- Progression, training & development opportunities.
- Refer a friend scheme.
- Free uniform provided.
Job ref: 1G4S / G619
G4S is a recognised Disability Confident Leader Employer, committed to fostering an inclusive workplace where everyone can thrive. We prioritise accessibility, support, and opportunity for all employees. Join our diverse and empowering team today!
About Staffline
Staffline are working in Partnership with G4S, providing a recruitment solution for security roles.
Please note that our job adverts are correct at the time of publication, but some details and job responsibilities are subject to change.
This job advert may not be copied, imitated or used, in whole or in part, by third-party websites, without prior written consent from Staffline.