Senior Security Manager

JR United Kingdom; Slough; On-site; GBP 40,000 - 55,000; Full time

Job summary

A leading company is looking for a high-calibre Security Manager to oversee security operations at a large site. This senior position necessitates strong leadership skills and expertise in managing complex security environments, with a focus on ensuring safety and compliance across the site.

Qualifications

• Proven experience managing security for high-risk sites.
• Availability for flexible working hours including weekends.
• In-depth knowledge of construction site security risks.

Responsibilities

• Lead site-wide security strategy and operations.
• Develop and implement security policies and protocols.
• Act as the emergency response lead when required.

Skills

People Management

Leadership

Decision Making

IT Proficiency

CCTV Knowledge

Emergency Planning

Risk Assessment

Education

SIA Door Supervisor Licence

SIA CCTV Licence

IOSH Managing Safely

Valid First Aid at Work Certificate

SMSTS or SSSTS Certification

Tools

Security Systems

Digital Reporting Tools

Job description

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Our client is seeking a high-calibre Security Manager to lead on security operations at a large, complex site. This is a senior role requiring a strong operational leader who thrives in high-pressure, high-visibility environments.

The Role:

• Full accountability for site-wide security strategy, operations, and performance.
• Recruit, train, and lead a diverse team including supervisors, front-of-house and CCTV operators.
• Develop and implement robust policies, Assignment Instruction, risk assessments, and emergency protocols.
• Oversee security systems and infrastructure: CCTV, access control, emergency response, and incident management.
• Lead incident investigations and reporting processes using client-approved formats and digital tools.
• Collaborate closely with project stakeholders, Police, neighbouring sites, and external agencies.
• Ensure full KPI delivery and accurate documentation uploads via the necessary platforms.
• Act as the designated emergency response lead (Bronze Commander) when required.
• Support community engagement, data protection, inspections, and key control protocols.

The Person

• Proven experience in managing security for large, complex, or high-risk sites, preferably in the construction sector.
• Flexible approach to working hours, including availability for weekend shifts, late shifts, and out-of-hours support when operationally required.
• Strong people management, leadership, and decision-making capabilities.
• Excellent IT proficiency with the ability to quickly adapt to and operate client-specific systems and digital platforms.
• Solid working knowledge of CCTV, access control systems, SOPs, and emergency planning.
• In-depth knowledge of construction site security risks, contractor management, and emergency coordination.
• Familiarity with compliance requirements, digital reporting tools, and multi-agency liaison.
• Confident in liaising with multiple stakeholders in fast-paced environments and maintaining high standards under pressure.

Minimum Qualifications & Requirements

• SIA Door Supervisor Licence – Mandatory
• SIA CCTV (Public Space Surveillance) Licence – Mandatory
• IOSH Managing Safely – Mandatory
• Valid First Aid at Work Certificate – Mandatory
• CSCS Card – Preferred
• SIA Close Protection Licence – Preferred
• SMSTS or SSSTS Certification – Preferred