Head of security

Head of Security- Cyber and Physical-Bristol- up to £120,000 plus excellent benefits package Lead security. Enable growth. Protect what matters. Join a rapidly growing Defence and Advanced Technology organisation developing cutting-edge solutions across autonomous systems, AI, aerospace and security. We're looking for a dynamic, energetic and experienced Head of Security / Senior Security Manager to build and lead a scalable security function, protecting people, assets, information and operations while enabling continued growth and delivery to government and defence customers. The Role You'll:

• Define and lead the organisation's security strategy and culture.
• Own compliance with UK Defence and Government security requirements, including MOD JSPs and NCSC guidance.
• Act as a trusted security advisor to senior leadership, customers and government stakeholders.
• Lead facility and programme accreditations, audits and inspections.
• Oversee personnel security, vetting, clearances and insider risk.
• Provide governance across physical, information and cyber security.
• Lead security incident response, investigations and business continuity.
• Identify and manage security risks across operations, programmes and the supply chain.
• Ensure appropriate security controls are embedded across suppliers, partners and contractors. About You You'll bring:
• Senior security experience within Defence, Aerospace, Government or a related sector.
• Strong knowledge of defence security compliance and classified environments.
• Proven experience in risk management and incident response.
• Experience working in a fast-paced, growing organisation.
• The confidence to engage with executives, customers and government bodies. Military, intelligence, law enforcement or defence industry experience would be highly advantageous, as would experience across R&D, manufacturing or flight/test operations. Professional security qualifications such as CPP, CSyP or CSMP are desirable.

Why Join?

• Senior leadership role with genuine influence- your chance to own a security function
• Shape the security function of a rapidly growing technology business.
• Work at the intersection of Defence, AI, aerospace and autonomous technology.
• Help protect technology and operations that have real-world impact.
• Competitive salary based on experience. For further information and to apply please contact Victoria at Copello on (phone number removed)