Security Officer
| Posting date: | 08 January 2026 |
|---|---|
| Salary: | Not specified |
| Additional salary information: | £35000-44268 per annum |
| Hours: | Full time |
| Closing date: | 22 January 2026 |
| Location: | Ruislip, HA4 7HB |
| Company: | Serco Limited |
| Job type: | Permanent |
| Job reference: | 306343-43886312 |
Summary
Serco Limited
Ready to impact a better future?
As a Security Officer in our Defence team, you’ll play a vital role in maintaining safety and compliance at RAF Blenheim Crescent. You’ll support the USAF mission and ensure secure operations, making a positive impact on colleagues, visitors, and the wider community.
What you’ll do as a Security Officer
You’ll be entrusted to:
Maintain a positive “Zero Harm” culture with open reporting of safety concerns
Deliver tasks efficiently and to high standards, following Serco values
Support the Shift Lead and Supervisor with staffing and operational duties
Ensure compliance with RAF Blenheim Crescent Control of Entry policy
Assist with searches of vehicles, visitors, and baggage when required
Escalate suspicious behaviours or risks promptly
Comply with Serco Management System and relevant regulations
Does this sound like you?
You’ll be a great fit for this role if you have:
SC cleared or have no issues obtaining it.
An SIA Licence for manned guarding
Security experience and knowledge of regulatory requirements
Ability to work collaboratively and maintain composure under pressure
Strong communication and problem-solving skills
This role requires Baseline Personnel Security Standard (BPSS) clearance, which involves verifying your identity, employment history, nationality, and criminal record to meet government security standards. In addition, depending on the nature of the role, you may need to obtain formal Security Clearance (such as CTC or SC), which includes more detailed background checks on employment, criminal record, and financial history to ensure suitability for working in secure environments. Please note that UK residency requirements may apply for certain levels of clearance. You will also complete an Occupational Health Questionnaire so we can identify and provide any support you may need to undertake the role effectively.
Discover all you need to keep growing
We’re one of the top 1% of international employers, so you can have confidence you’ll be part of a highly supportive culture with leaders you can count on to help you achieve your goals. From mentoring and training to our focus on internal progression, we’re proud to offer clear development opportunities – and the support and tools to help you seize them.
Holidays: Competitive holiday package.
Pension: Up to 6% contributory pension scheme
Training and development: Over 1,100 internal courses available, funding for qualifications and apprenticeships, mentoring opportunities, and a focus on internal progression
Health and wellbeing: Employee Assistance Programme, Bupa Anytime HealthLine, wellbeing app, 30% off at Serco-managed leisure centres, and 24/7 access to a virtual GP service
Discounts: Discounts across around 1,000 retailers, from food and clothing to days out, entertainment and travel
Charity: Paid volunteering day, tax-free charitable giving through Payroll Giving Scheme, donate your pennies from your monthly pay to the Serco People Fund Charity
Employee networks: Our networks support inclusion and connection by providing spaces for collaboration, learning, and belonging. They represent and empower all our colleagues including LGBTQIA+ employees, women, parents and carers, people with disabilities, veterans, and people from all cultural backgrounds.
Ready to impact a better future?
As a Security Officer in our Defence team, you’ll play a vital role in maintaining safety and compliance at RAF Blenheim Crescent. You’ll support the USAF mission and ensure secure operations, making a positive impact on colleagues, visitors, and the wider community.
What you’ll do as a Security Officer
You’ll be entrusted to:
Maintain a positive “Zero Harm” culture with open reporting of safety concerns
Deliver tasks efficiently and to high standards, following Serco values
Support the Shift Lead and Supervisor with staffing and operational duties
Ensure compliance with RAF Blenheim Crescent Control of Entry policy
Assist with searches of vehicles, visitors, and baggage when required
Escalate suspicious behaviours or risks promptly
Comply with Serco Management System and relevant regulations
Does this sound like you?
You’ll be a great fit for this role if you have:
SC cleared or have no issues obtaining it.
An SIA Licence for manned guarding
Security experience and knowledge of regulatory requirements
Ability to work collaboratively and maintain composure under pressure
Strong communication and problem-solving skills
This role requires Baseline Personnel Security Standard (BPSS) clearance, which involves verifying your identity, employment history, nationality, and criminal record to meet government security standards. In addition, depending on the nature of the role, you may need to obtain formal Security Clearance (such as CTC or SC), which includes more detailed background checks on employment, criminal record, and financial history to ensure suitability for working in secure environments. Please note that UK residency requirements may apply for certain levels of clearance. You will also complete an Occupational Health Questionnaire so we can identify and provide any support you may need to undertake the role effectively.
Discover all you need to keep growing
We’re one of the top 1% of international employers, so you can have confidence you’ll be part of a highly supportive culture with leaders you can count on to help you achieve your goals. From mentoring and training to our focus on internal progression, we’re proud to offer clear development opportunities – and the support and tools to help you seize them.
Holidays: Competitive holiday package.
Pension: Up to 6% contributory pension scheme
Training and development: Over 1,100 internal courses available, funding for qualifications and apprenticeships, mentoring opportunities, and a focus on internal progression
Health and wellbeing: Employee Assistance Programme, Bupa Anytime HealthLine, wellbeing app, 30% off at Serco-managed leisure centres, and 24/7 access to a virtual GP service
Discounts: Discounts across around 1,000 retailers, from food and clothing to days out, entertainment and travel
Charity: Paid volunteering day, tax-free charitable giving through Payroll Giving Scheme, donate your pennies from your monthly pay to the Serco People Fund Charity
Employee networks: Our networks support inclusion and connection by providing spaces for collaboration, learning, and belonging. They represent and empower all our colleagues including LGBTQIA+ employees, women, parents and carers, people with disabilities, veterans, and people from all cultural backgrounds.
Proud member of the Disability Confident employer scheme
Disability Confident
About Disability Confident
A Disability Confident employer will generally offer an interview to any applicant that declares they have a disability and meets the minimum criteria for the job as defined by the employer. It is important to note that in certain recruitment situations such as high-volume, seasonal and high-peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people. For more details please go to Disability Confident.