Site Security Manager
Dublin, Ireland
Fantastic Opportunity at: G4S Secure Solutions Ireland
Position: Site Security Manager
Location: Dublin 2
Hourly Rate: €25.57
Hours: 45 per week
Schedule: Monday - Friday, 08:30 - 17:30
Role Overview
The Physical Security Manager is responsible for the professional, efficient, and compliant delivery of all contracted G4S security services. The PSM's primary objective is to maintain a high-quality physical security posture that protects the client, employees, assets, and reputation, aligning all security operations with the client corporate culture and global security standards.
Operating within a high-availability and mission-critical environment, the Security Manager will oversee security personnel, manage third-party vendors, maintain regulatory compliance, and lead risk mitigation strategies. The role also acts as the primary liaison between the internal operational teams, and external stakeholders including emergency services and law enforcement.
Key Responsibilities
Security Operations Management
Manage day-to-day physical security operations across the data centre campus.
Oversee access control, perimeter protection, visitor management, and CCTV monitoring systems.
Ensure secure access procedures for employees, contractors, and visitors entering restricted areas.
Supervise and direct contract security guard teams to ensure adherence to security policies and procedures.
Respond to and manage security incidents, alarms, and emergencies in a calm and controlled manner
Risk Management and Threat Assessment
Conduct ongoing security risk assessments and vulnerability analyses for facilities, personnel, and assets.
Identify threats such as theft, sabotage, cyber-physical breaches, terrorism, workplace violence, or other risks affecting critical infrastructure.
Develop and implement mitigation strategies and security improvement plans.
Review crime trends and local threat intelligence relevant to data centre operations.
Compliance and Governance
Ensure compliance with relevant regulatory, industry, and corporate security standards.
Support audits and compliance with frameworks such as:
ISO 27001
SOC 1 / SOC 2
GDPR requirements relating to surveillance and data handling
Maintain accurate records, incident logs, and security reports for internal and external audits.
Team Leadership and Staff Management
Recruit, train, and manage a team of security supervisors and officers.
Provide leadership, coaching, and professional development for security personnel.
Manage staffing levels to ensure 24/7 security coverage across the data centre site.
Monitor contractor performance and ensure vendor compliance with security standards.
Security Systems and Technology Management
Oversee operation and maintenance of physical security systems including:
CCTV surveillance systems
Intrusion detection systems
Access control and badge management systems
Alarm monitoring platforms
Coordinate with IT and engineering teams to integrate security technologies with data centre infrastructure.
Evaluate new security technologies and implement system upgrades where required.
Incident Response and Investigations
Lead investigations into security breaches, suspicious activity, or policy violations.
Coordinate with internal investigation teams, HR, and legal departments when required.
Prepare detailed incident reports and recommend corrective actions.
Act as the primary security lead during major incidents or emergencies.
Stakeholder and External Relations
Build strong relationships with local authorities, emergency services, and law enforcement agencies.
Collaborate with internal teams including:
Data Centre Operations
Facilities Management
IT Infrastructure
Health & Safety
Participate in crisis management and business continuity planning.
Emergency Preparedness and Business Continuity
Develop and maintain emergency response plans including evacuation procedures and incident escalation protocols.
Conduct regular drills for fire, security breaches, or other emergency scenarios.
Ensure the security programme supports overall data centre resilience and uptime.
Qualifications & Experience
Education
Bachelor’s degree in Security Management, Risk Management, Criminal Justice, or a related field (or equivalent professional experience).
Experience
5 years experience in security operations, preferably within:
Critical infrastructure
Technology or cloud environments
High-security facilities
Proven experience managing large security teams and vendor contracts.
Skills and Competencies
Strong knowledge of physical security systems and access control technologies
Experience conducting security audits and risk assessments
Leadership and team management capabilities
Incident response and crisis management skills
Strong written and verbal communication
Analytical ability to interpret security data and metrics
Who you are
As a representative of both G4S and the security function for Twilio, the PSM is expected to
embody a professional, friendly, and technology-focused approach:
Professionalism: Maintain a high standard of appearance, punctuality, and conduct at all
times.
Proactive Communication: Maintain an open line of communication with Twilio
management. No surprises. Escalate significant operational issues immediately.
Customer Service Focus: Ensure all security officers understand that they are the first
point of contact for the office and must project Twilio's welcoming and positive culture
while maintaining security.
Continuous Improvement: Regularly review and propose updates to post orders,
procedures, and risk assessments to reflect the changing office environment and threat
landscape.
Risk Management: Provide informed, risk-based recommendations to Twilio on emerging
physical security threats or vulnerabilities within the Dublin office.
Minimum Requirements
PSA Security Guarding certified (Essential)
English Language: C1 Written & Oral (Essential)
5 Years verifiable employment & personal activity (Essential)
Security Institute of Ireland membership (Highly beneficial)
QQI Level 6 Security Operations Certification (Highly beneficial)
- Minimum of 5 years experience in a Site Security lead/manegerial role
Key Performance Indicators
Security incident response time
Compliance audit results
Security risk reduction metrics
Guard force performance and retention
Security system uptime and reliability
Ready to Take the Next Step? If you’re excited by the prospect of a challenging and fulfilling career with G4S, apply today and start your journey with one of the world’s leading security providers.
G4S Secure Solutions Ireland is proud to be an equal opportunity employer, fostering a diverse and inclusive workplace for all.
Apply today, if a suitable match is found one of our team will be in touch to discuss further.
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