Night Security Supervisor

Posted on July 9th, 2026
location Harwell briefcase Permanent £15.70 per hour

We are currently recruiting for an exciting opportunity to join the G4S team in Harwell, as a Security Supervisor, working at a modern medical company in the area!

We are looking for the right candidate to have a current SIA Door Supervisor or Security Guarding license, as well as previous experience in a Security Supervisor position.

Contract Information:
Location - Harwell, Oxford
Pay Rate - £15.70 per hour
Hours - 19:00pm to 07:00am, 42hrs per week, 4 on 4 off. Nights only.

Please upload a copy of your most up-to-date CV for your application to be considered!

Your Time at Work

As a Security Supervisor your duties include:

- Patrolling the site, internally and externally.
- Liaising with customers and visitors.
- Responding to any security incidents, first aid or fire alarm response.
- Incident report writing.
- Access and egress control.
- Meeting the customer standard at all times.
- Informing site management and the customer of any security incidents.
- Investigating security breaches on site.
- Managing the team on site, covering rota and holiday planning.
- Ensuring all the team on site are trained to the customer standard and are delivering at all times.
- Liaising with the Site Manager and the Operations Manager in the wider business.

Our Perfect Worker

- You must be over the age of 18.
- A current Door Supervisor or Security Guarding SIA license is essential.
- Previous security experience is essential.
- Good communication skills, verbal and written.
- Strong IT skills.

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
- Eyecare vouchers
- Employee Discount Schemes
- Progression, training & development opportunities
- Referral Scheme
- Free uniform provided

Job Ref: 1G4S (G416)

G4S are a recognised Disability Confident Leader Employer, committed to fostering an inclusive workplace where everyone can thrive. They prioritise accessibility, support, and opportunity for all employees. Join their 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.

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