Security Architect

Location : London, Manchester or Leeds (hybrid)

We’re looking for an experienced Security Architect to join a growing security architecture team within a world-leading professional services organisation.

You’ll work on high-profile, technically complex transformation programmes , helping design secure solutions across enterprise IT and operational technology environments.

The role

• Define security architecture for complex enterprise IT and OT solutions.


• Work closely with Technical and Solutions Architects to build security into system designs.


• Use threat modelling to identify risks and define security requirements.


• Manage security requirements throughout the system lifecycle.


• Provide expert guidance on security risks, threats and mitigation .


• Work with Information Assurance and Penetration Testing teams to validate security controls.


• Apply recognised frameworks including NIST, ISO and CIS .


• Advise on authentication, authorisation and protective monitoring .


• Communicate complex security concepts clearly to technical and non-technical stakeholders.

What we’re looking for:

Strong technical security experience in one or more of the following:

• IP Networking & Operational Technology


• Databases & LLMs

You’ll also need:

• Experience with threat modelling and security requirements .


• Strong understanding of security architecture and risk-based mitigation.


• Knowledge of NIST, ISO or CIS security frameworks.


• Excellent problem-solving and critical-thinking skills.


• Strong communication skills and the ability to influence senior stakeholders.

Why this role?

Work on large-scale, high-profile technology programmes alongside experienced security and technology professionals. You’ll tackle complex security challenges across different environments and have the opportunity to shape secure solutions from architecture through to delivery.

If you’re an experienced Security Architect looking for greater technical challenge, scale and impact, we’d like to hear from you.