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G4SPosted Closes in 28 days · 17 Nov 2026

Security Officer - Sizewell A

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Location
LeistonSuffolk

About the role

We are currently recruiting for a Security Officer to join the G4S team, working for a well-known site at Sizewell A!

Contract Information:

Pay Rate: £15.30 per hour
Hours: Average 42 hours per week
Shift Pattern:
- 4 nights - 18:00-06:00
- 3 days off
- 4 days - 06:00-18:00
- 1 day off
- 2 short training/spare days - 8.5 hours
- 4 days off
- 3 nights - 18:00-06:00
- 4 days off
- 3 days - 06:00-18:00
- 7 days off

Applicants must have a full UK Driving Licence and their own transport.

Requirement to be screened to BPSS & SC clearance levels, therefore a minimum of 5 years UK residency and a UK passport is required.

You must have a valid SIA licence to apply for this vacancy.

Your Time at Work

This is a high profile security role with a service to include Gatehouse, and searches, site foot/mobile patrols, CCTV and control room duties. Other duties will include control of access, site emergency scheme including incident response, continuous maintenance of records and logs.

Our Perfect Worker

Our perfect worker will need to be aged 18 or over, a confident communicator who is a team player with the drive to provide a friendly and professional service at all times. Good IT knowledge is also key.

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
- Refer a friend scheme
- Free uniform provided

Job ref: 1G4S (G326)

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.

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.

Key details

Contract type
Permanent
Industry
Security
Trade
Security Officer
Job role
SIA Security Officer
Client
G4S
Posted
20 Oct 2026
Closes
17 Nov 2026
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