Site Security Controller

In this role you will own day-to-day security governance across CGI sites to protect people, facilities and classified assets in line with UK Government and MOD requirements. You will advise leadership, embed practical protective security measures, and drive continuous improvement within a collaborative security function. You’ll influence new and existing facilities, strengthen security awareness, and partner with external authorities to sustain secure client programmes. This is a hybrid role near Reading or Leatherhead, offering a path to develop within a leading security-focused organisation.

• competitive salary
• excellent pension
• private healthcare
• share scheme (3.5% + 3.5% matching)
• inclusivity and diverse talent
• training and career development

• Maintain Facility Security Clearance (FSC) status and ensure MOD security compliance
• Coordinate physical, personnel security and governance activities across sites
• Provide expert guidance on UK Government policies and protective security measures
• Interpret and monitor security controls to safeguard classified assets and resilience
• Act as primary security contact with external agencies and Contracting Authorities
• Create and maintain Company Security Instructions aligned with GovS 007
• Investigate security breaches and support lessons learned and improvements
• Conduct security audits and support GISA and IPSA requirements
• Advise on secure site acquisitions and facility design for security integration
• Support ISO 27001 and ISO 22301 certifications, crisis management exercises, and risk assessments
• Deliver security awareness communications and protective security training
• Partner with Security Business Partners to embed controls across the organisation
• Develop and implement security programmes and governance frameworks
• Embed a proactive security culture across CGI

• Proven experience in a high-security environment with UK Government and MOD security knowledge
• Ability to interpret complex security policies and advise senior stakeholders
• Degree-level education or equivalent professional experience
• Experience as Security Controller or similar governance role
• Strong understanding of FSC requirements and protective security measures
• Experience coordinating governance, risk, and compliance activities
• Experience conducting investigations, assessments and audits
• Ability to interpret policies, assess risks and implement protective controls
• Experience developing and maintaining security programmes
• Strong stakeholder management and communication skills
• Knowledge of GovS 007 and relevant government standards
• DISA Security Controller training or qualification
• NPSA STaMP training
• CIDA certification or understanding of Coordination and Installation Design Authority requirements
• Desirable: CISSP, CISM, CISA, CPP, PSP, CRISC or equivalent
• Desirable: Knowledge of NIST, ISO 27001, ISO 22301, GISA/IPSA, secure facility design

• Stakeholder management
• Analytical thinking
• Collaborative mindset
• UK Government and MOD security policies and frameworks
• Security risk management and governance
• Security audits and investigations