Casual Security Officer

OCS; Greater London; On-site; GBP 21,000 - 27,000; Full time

Benefits offered by this job

Award-winning employer

Digital learning

Retail perks

Professional growth

Flexible pay

Job summary

OCS UK & Ireland is seeking a vigilant Security Officer to protect our clients, their people, property and assets, delivering a professional, customer-focused security service. You will patrol, monitor access, respond to incidents and maintain detailed reports while upholding high standards of service.

The role requires an active SIA licence or equivalent, right to work in the UK, and flexibility to work across locations and shifts.

Qualifications

• Strong observational skills and the ability to identify potential risks and incidents.
• Excellent written and verbal communication skills.
• The ability to remain calm and make effective decisions under pressure.

Responsibilities

• Conduct regular patrols of assigned premises to prevent and detect signs of unauthorised access, security breaches or unusual activity.
• Monitor and control site access, ensuring only authorised persons gain entry.
• Respond promptly and appropriately to alarms, emergencies and security incidents.
• Complete detailed and accurate incident reports and records as required.
• Maintain a visible and professional security presence to deter unwanted activity.
• Operate and monitor security systems, including CCTV equipment where applicable.
• Deliver excellent customer service while enforcing site policies and procedures.
• Liaise effectively with clients, visitors, emergency services and other stakeholders.

Skills

Observational skills

Communication skills

Decision making under pressure

Customer-focused

Fitness & mobility

Tools

CCTV operation

Job description

shift times dependant on shifts available. As a Security Officer, you will play a key role in protecting our clients, their people, property and assets by delivering a professional and customer-focused security service. The successful candidate will be adaptable, reliable and able to respond professionally to a wide range of security situations while maintaining excellent customer service standards.

About The Role

Days of Working

shift times dependant on shifts available

As a Security Officer, you will play a key role in protecting our clients, their people, property and assets by delivering a professional and customer-focused security service. The successful candidate will be adaptable, reliable and able to respond professionally to a wide range of security situations while maintaining excellent customer service standards.

As part of your role, your key responsibilities will include, but are not limited to:

• Conduct regular patrols of assigned premises to prevent and detect signs of unauthorised access, security breaches or unusual activity.
• Monitor and control site access, ensuring only authorised persons gain entry.
• Respond promptly and appropriately to alarms, emergencies and security incidents.
• Complete detailed and accurate incident reports and records as required.
• Maintain a visible and professional security presence to deter unwanted activity.
• Operate and monitor security systems, including CCTV equipment where applicable.
• Deliver excellent customer service while enforcing site policies and procedures.
• Liaise effectively with clients, visitors, emergency services and other stakeholders.

The ideal candidate should meet the following criteria:

• Must have the Right to Work in the UK and ability to pass BS7858 vetting.
• Valid SIA Licence.
• Strong observational skills and the ability to identify potential risks and incidents.
• Excellent written and verbal communication skills.
• The ability to remain calm and make effective decisions under pressure.
• A professional, reliable and customer-focused approach.
• Good levels of fitness and mobility to undertake patrols and respond to incidents.
• Flexibility to work across different locations and shift patterns as required.

Desirable:

• Previous experience within a security, corporate security, retail security or guarding role.
• Experience of operating CCTV or other security monitoring systems.
• Knowledge of incident reporting and site security procedures.

About The Company:

OCS UK & Ireland is a leading facilities management company with 50,000+ colleagues and a turnover in excess of £2bn. We deliver innovative, award-winning services within facilities management, hard services, cleaning, security and catering. Our mission is to make people and places the best they can be for our colleagues, customers and the communities we serve. Our commitment to doing business the right way is rooted in our TRUE values - Trust, Respect, Unity, and Empowerment.

Why Work for OCS?

Award-Winning Employer : Ranked 36th on Glassdoor’s Best Companies to Work For 2025 — we value and motivate our people.

Digital Learning : The OCS Academy offers digital courses and resources to help you build skills and grow your career.

Retail Perks With our Hapi app, you can gain access to exclusive discounts, rewards and wellbeing resources.

Professional Growth : 600+ live learners across UK&I — Empowering colleagues with further development and qualifications!

Flexible Pay : Access a portion of earned wages before payday with our Wagestream App! (Contract Specific)

We are an equal opportunities employer and rely on a diverse workforce with a broad range of knowledge, skills, and backgrounds to deliver our goals. We offer an inclusive and welcoming environment and actively encourage applications from all individuals regardless of race, gender, nationality, religion, sexual orientation, disability, or age.