Security Assurance Manager

Security Assurance Manager - AWE / Mitie Job Objectives

Act as a trusted advisor to the Head of Security and the wider Mitie Management team, serving as a subject matter expert (SME) in holistic protective security and security auditing; lead and deliver continuous improvement programmes, ensuring alignment between Mitie, the client, and service partners; build, maintain, and actively leverage strong networks and partnerships to create effective conduits for collaborative working;

drive a strong security culture across the contract.

• Develop and deliver a comprehensive security audit framework in collaboration with AWE Security.
• Conduct physical security risk assessments and vulnerability reviews.
• Provide SME advice to inform training requirements for security personnel and support the planning and execution of scenario training exercises.
• Conduct incident investigations, identify root causes, and implement lessons learnt to prevent recurrence.
• Drive a structured evaluation and continuous improvement cycle for security performance and assurance.

• Develop and maintain security strategies, policies, and procedures in direct support of client requirements.
• Provide expert input into security planning for known future events and emerging or evolving threat landscapes.
• Produce high‑quality reports, briefings, and presentations as requested by the Head of Security.

• Supporting the Head of Security, act as a central security conduit for collaboration between Mitie, AWE, and third‑party service partners.
• Build and sustain strong relationships across the Assurance Manager community and wider security industry to exchange best practice.
• Support client confidence through professional engagement, transparency, and evidence‑led assurance.

• Maintain a strong and current working knowledge of industry standards, regulations, and security initiatives.
• Ensure assurance activities align with regulatory expectations and recognised good practice.

• (Desirable) Minimum 5 years' experience in security management or protective security roles.
• Proven capability in security assurance design, development, and delivery across complex environments.
• Demonstrable experience delivering standards auditing, operational readiness testing, and exercise management.

• Recognised expert in team training, coaching and mentoring.
• Strong ability to conceptualise, develop, implement, and sustain improvement plans.
• Excellent written and verbal communication skills, with confidence to engage senior stakeholders.
• Highly collaborative, proactive, and outcome‑focused.
• Competent with full MS Suite, with experience with SharePoint and Power
  
  BI highly desirable.

• Applicants will be required to achieve security vetting through UKSV.