Title:  Technical Security Engineer

Protecting systems, people and infrastructure through expert technical security leadership

As a Technical Security Engineer at Cadent, you will play a vital role in safeguarding our people, assets and operations. This is a hands-on, high-impact role where your expertise in physical and technical security will help shape and maintain a secure environment across our national infrastructure.

You will lead on the design, implementation and continuous improvement of our Integrated Security Solution (ISS), managing critical systems such as Active Directory, access control, CCTV, and alarm monitoring. You will also oversee the Alarm Response Centre (ARC), ensuring 24/7 operational readiness and effective incident response.

This is a hybrid role with flexibility, offering the opportunity to work across multiple sites and collaborate with internal teams, government agencies, and external partners. You will be part of a specialist on-call rota, contributing to a resilient and responsive security function.

Why you’ll love this role:

This is a unique opportunity to apply your technical expertise in a role that combines engineering, security, and national infrastructure protection.

• Strategic Impact – Shape and manage the security architecture that protects Cadent’s most critical assets.
• Technical Leadership – Lead on the design, upgrade and maintenance of Active Directory, Windows Server, VMware, and physical security systems.
• Operational Excellence – Manage the ARC contract and ensure seamless 24/7 monitoring and response.
• Cross-Sector Collaboration – Build trusted relationships with government departments, law enforcement, and industry partners.
• Continuous Development – Engage in professional development and contribute to national security initiatives and forums.

What you’ll bring:

You are a technically skilled and security-minded professional with a strong background in IT infrastructure and physical security systems.

• Qualifications & Experience – Degree (or equivalent) in computer or technical engineering, MSCA/MCSE, ITIL Foundation, and experience with mission-critical systems.
• Technical Expertise – Strong knowledge of Microsoft Active Directory, Windows Server, VMware, and alarm/access control systems.
• Security Knowledge – Understanding of physical, personal and personnel security principles, with the ability to hold government security clearance.
• Analytical Thinking – Skilled in problem-solving, incident investigation, and developing practical solutions.
• Stakeholder Engagement – Confident communicator with experience working across internal teams, suppliers, and external agencies.

Looking to take your technical security career to the next level? Join Cadent as a Technical Security Engineer and help us protect the systems that keep the nation running. Apply now to be part of a forward-thinking, safety-first organisation.

Please note that this position will close on Thursday 5th June, with interviews scheduled to commence from Monday 9th June.

Disclaimer: While the closing date is set as mentioned, we reserve the right to close the application process earlier if necessary, depending on the unique circumstances of each role.