Security Manager

Reading, UK

Talented people are the key to our success.

Morgan Sindall Infrastructure delivers some of the UK’s most complex and critical infrastructure projects, connecting people, places, and communities through responsible infrastructure delivery.

An exciting opportunity has arisen for an experienced Security Manager to lead all aspects of security delivery on Project Lyra
, a major programme for AWE. Reporting within the SHEQS function
, this is a critical role responsible for ensuring compliance with AWE and Office for Nuclear Regulation (ONR) requirements across the project and supply chain.

As our first project with AWE, Project Lyra presents a unique opportunity to play a pivotal role in establishing robust security arrangements, building and developing a dedicated team, and helping shape our long‑term relationship with a key strategic client.

The successful candidate will oversee Physical, Personnel and Information Security, ensuring the highest standards of security governance, assurance, and compliance are maintained throughout the project lifecycle.

Role Responsibilities

• Lead the delivery of all aspects of Physical, Personnel and Information Security across Project Lyra.
• Develop, implement and maintain project Security Plans, policies, procedures and standards.
• Ensure compliance with AWE, ONR and organisational security requirements.
• Manage the site access process for all employees, contractors and supply chain partners, ensuring applications are processed efficiently to avoid project delays.
• Maintain and administer Security Aspects Letters (SALs), ensuring supply chain compliance with all security obligations.
• Oversee all aspects of personnel security, including security vetting, clearance management and vetting aftercare.
• Deliver security awareness training and project‑specific security briefings.
• Lead the reporting, investigation and resolution of security incidents and breaches, identifying root causes and implementing corrective actions.
• Build and maintain strong working relationships with Vetting and Pass Offices, client representatives and key stakeholders.
• Provide leadership and line management to the Security Team, Assurance Team and Facilities Administration Team.
• Oversee assurance and audit activities, ensuring risks are identified, managed and mitigated effectively.
• Take responsibility for project facilities standards, maintenance and operational effectiveness.
• Promote a strong security culture across the project and wider supply chain.

Skills, Experience And Qualifications

• Excellent communication skills with the ability to engage effectively at all levels.
• Strong leadership and people management capability.
• High ethical standards, integrity and professionalism.
• Strong analytical and problem‑solving skills.
• Excellent organisational and workload management abilities.
• High levels of accuracy and attention to detail.
• Ability to work independently and collaboratively within a project environment.
• Confidence in challenging non‑compliance and enforcing security standards.
• Strong report‑writing and investigation skills.
• Proficient in Microsoft Office applications, including Word, Excel and Outlook.

Essential

• GCSEs (or equivalent qualifications).
• Experience of national security vetting requirements and/or working with Sellafield Ltd, MOD, Government or similar regulated security frameworks.
• Experience managing security clearance processes and vetting aftercare.
• Previous investigation experience.
• Experience working within secure or highly regulated environments.
• Strong understanding of national security requirements and security governance.
• Experience handling sensitive and classified information.
• Demonstrable management and leadership experience.
• Ability to obtain Security Clearance (SC).

Desirable

• Security‑r…