Defence Security Controller: Incident & Resilience Lead

Mott MacDonald; West of England; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

Mott MacDonald is seeking a Defence Security Controller to provide expert security leadership and assurance to major Defence projects across the UK. The role covers project security, information security, and governance to protect HMG‑classified and aviation assets while ensuring compliance with Government and MOD requirements.

The post holder will act as Project Security Controller for assigned programmes, supporting business growth, contract delivery, and regulatory compliance across Defence

Qualifications

• Current membership of the Security Institute (ASyI, MSyI or FSyI).
• Proven experience in Defence, uniformed services, or custodial environments.
• Strong ability to engage with senior stakeholders and deliver audits.
• IT literacy and ability to produce written security reports.

Responsibilities

• Defence & Project Security: act as Project Security Controller for major Defence programmes and provide security assurance across the lifecycle.
• IT & Information Security: advise on classification, secure IT systems, and data protection aspects.
• Corporate Security & Governance: maintain security instructions and support audits and compliance.
• Incident Management & Resilience: respond to security incidents and support continuity planning.
• Training & Awareness: design and deliver security training for Defence and aviation projects.

Skills

Stakeholder engagement

Security audits

IT literacy

Data analysis

Education

Security Institute membership (ASyI, MSyI or FSyI)

Job description

Mott MacDonald is seeking a Defence Security Controller to provide expert security leadership and assurance to major Defence projects across the UK. The role covers project security, information security, and governance to protect HMG‑classified and aviation assets while ensuring compliance with Government and MOD requirements.

The post holder will act as Project Security Controller for assigned programmes, supporting business growth, contract delivery, and regulatory compliance across Defence