National Security Manager -UK wide
Job Introduction
Were looking for a skilled and highly credible National Security Manager to play a critical role in protecting our people, assets and operations across the UK. This is a unique opportunity to lead proactive security, investigations and risk mitigation across a complex, nationally dispersed business.
Working closely with senior leaders and operational teams, youll bring independence, integrity and strong investigative capability to help prevent fraud, theft, misconduct and security breaches - ensuring our organisation continues to operate safely, ethically and securely.
About the Role
As National Security Manager, youll take ownership of security strategy and delivery across our UK operations. Youll ensure robust systems, processes and controls are in place to proactively identify risk, reduce loss and protect organisational integrity.
This role combines proactive security assessments with reactive investigations and discreet surveillance activity. Youll act as a trusted partner to leadership, HR, Legal and external agencies, providing clear, evidence based insight and recommendations in sensitive and high impact situations.
What Youll Be Doing
In this role, you will:
* Lead proactive security and risk assessments across manufacturing, distribution and quarry sites, identifying vulnerabilities in physical security, systems and processes
* Design and implement security improvements, working with internal and external stakeholders to ensure recommendations are prioritised, actioned and sustained
* Conduct covert surveillance operations (static, mobile and vehicle based) where required, ensuring full compliance with UK legislation and ethical standards
* Lead independent investigations into theft, fraud, collusion, illegal activity and misconduct, including whistleblowing and hotline cases
* Preserve and manage evidence, including CCTV, documentation and digital material, maintaining evidential integrity throughout
* Produce clear, structured investigation reports, setting out findings, root cause analysis and recommended corrective actions
* Present findings confidently to senior stakeholders and support HR disciplinary processes where appropriate
* Liaise with police and external enforcement agencies when criminal activity is suspected
* Oversee public risk assessments, ensuring consistent, effective and proportionate approaches across the organisation
This role involves significant national travel and occasional unsocial hours linked to surveillance or reactive deployments.
Key Competencies
Youll bring:
* Strong investigative and analytical capability with a structured, methodical approach
* Covert surveillance expertise across multiple environments
* High levels of integrity, discretion and emotional intelligence
* The ability to manage highly confidential and sensitive information
* Excellent interviewing and communication skills (PEACE model desirable)
* Resilience and sound judgement under pressure
* Flexibility to travel extensively and work beyond standard hours when required
The Ideal Candidate
Youll be a self starting, credible security professional who is comfortable operating independently while building strong relationships across the business. Youll be confident engaging with senior stakeholders, yet equally effective working at operational site level.
Youll combine a strong moral compass with commercial awareness, balancing risk mitigation with practical, proportionate solutions. Most importantly, youll be trusted - to act objectively, communicate clearly and handle sensitive issues with professionalism and care.
Qualifications & Experience
Essential
* Background in law enforcement, intelligence, military policing or corporate investigations
* Proven experience undertaking internal and external investigations and surveillance operations
* Experience handling whistleblowing or sensitive allegations
* Strong knowledge of UK criminal law relating to theft and fraud
* Ability to produce high quality, structured investigation reports
* Experience designing and maintaining security or surveillance processes and systems
* Full UK driving licence
Desirable
* Experience within manufacturing, logistics, construction or building materials environments
* Knowledge of GDPR, corporate governance and employment law
* Experience working with police or regulatory bodies
* Background in asset protection or loss prevention
* Strong data analysis skills and the ability to interpret large data sets
Benefits
* Bonus scheme
* Enhanced holiday entitlement
* Contributory pension scheme
* Access to the Tarmac Reward website with discounts on retailers, holidays, etc.
* Access to our Employee Assistance helpline for free and confidential advice
* Access to join our Employee Communities (employee networks) we currently have nine communities inc.(REACH) Religious, Ethnic, Cultural Heritage, LGBTQ+, Parents & carers, Ability, Wellbeing, Female voice and menopause
* Training and development opportunities
Tarmac is committed to being a Forces friendly employer. If youre coming from a military background, well support your transition and help you build a successful career with us.
Were proud to be part of CRH, and even prouder to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for everyone. If you need any reasonable adjustments during the recruitment process, just let us know, were here to support you.
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