Job Description The role of Security Controller is a senior, proactive leadership role responsible for directing and overseeing all aspects of physical and personnel security across GDMS-UK's defence programmes and facilities, ensuring full compliance with mandatory, regulatory, and legislative security requirements. Key Responsibilities: Act as the company's Security Controller in accordance with applicable MOD/UK Government standards, serving as the primary point of contact with MOD security authorities, the UK National Authority for Counter-Eavesdropping (NACE), and the UK National Protective Security Authority (NPSA). Serve as Crypto Custodian, safeguarding digital and cryptographic assets in alignment with cryptographic security standards. Maintain compliance with Facilities Security Clearance (FSC) UK Government accreditation. Lead and manage Security Department resources and provide expert support to the GDUK Chief Information Security Officer (CISO) on all physical and personnel security matters. Develop, implement, and maintain robust security policies, procedures, and classified material handling protocols in alignment with HMG, MOD, and organisational requirements. Oversee physical security measures including access control systems, perimeter security, CCTV, and alarm monitoring. Manage and oversee vetting processes for all staff and contractors in line with BPSS, SC, and DV requirements. Conduct security risk assessments and audits to identify vulnerabilities and recommend mitigation strategies. Lead coordination of security incident response activities and investigate breaches, liaising with external agencies as required. Represent GDMS-UK at customer, UK Government, and industry security forums, building networks with defence sector peers. Serve as delegated authority during the CISO absence. Click here for the full job description