Senior Security Officer
| Posting date: | 06 February 2026 |
|---|---|
| Salary: | £17.45 per hour |
| Hours: | Full time |
| Closing date: | 08 March 2026 |
| Location: | SW1A 2AH |
| Remote working: | On-site only |
| Company: | Staffline |
| Job type: | Permanent |
| Job reference: | 5032031-36959 |
Summary
We are currently recruiting for Senior Security Officer's to join our team on a well know Government contract, based in Westminster!
Contract Information:
Pay Rate: £17.45 per hour
Hours: 42 hours per week
Shift Pattern: 4 on, 4 off. Flexibility required Monday to Sunday, for day and night shifts.
SIA Required: Door Supervisor or Security Guarding
Experience Level: Over 1 year in a Security Team Leader or Security Supervisor position, for over 1 year in a corporate environment.
Please be aware that this position will require a SC Clearance (set by the Government), so you will be asked questions in regards to this in a telephone interview to ensure you meet the requirements.
Your Time at Work
As a Senior Security Officer, you will be responsible for:
- Physical Security, protection of client assets and people.
- Assist and support training needs to ensure they are identified and appropriate training & development is delivered.
- Operationally support the DM in the delivery of the agreed service levels.
- Assist with monthly audits on all Security practices and process, which includes AIs and PIs.
- Support in the delivery of Post Instructions across the security team at the FCDO
- Provide Operational support and act as a point of contact out of hours if and when required.
- Assist in maintaining compliance with all Health & Safety legislation.
- Assist and be a point of contact for Incident Management, ensuring that incidents are correctly managed and escalated as per client specifications.
- Ensure the security team is rostered and all holidays are applied for and submitted to the DM within the guidelines
Our Perfect Worker
You 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.
Previous Security Supervisor experience is essential.
You will need to hold a valid SIA Security Guarding or Door Supervisor license.
Key Information and Benefits
- Earn £17.45 per hour
- 19.6 days per year
- Workplace pension scheme
- Life assurance benefit
- Contributory Healthcare Scheme
- Eyecare vouchers
- Employee Discount Schemes
- Progression, training & development opportunities
- Refer a friend scheme
- Free uniform provided
- Onsite Gym and Multi-Faith Prayer Facilities
Job Ref: 1ALS (L4)
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.