Senior Cyber Security Engineer (Assurance)

£450 - £575/day DOE - OUT OF SCOPE OF IR35

Location: Flexible (with weekly visits to 2 sites)

Contract: 12 Months | Sector: Rail Infrastructure & Operational Technology

Protect Critical Rail Infrastructure. Be a part of the solutions.

Are you a Senior Cyber Security Engineer passionate about making a tangible impact in the real world? Do you thrive on building security into complex Operational Technology (OT) systems that keep a nation moving?

A global leader in transport solutions, is looking for a Senior Cyber Security Engineer (Assurance) to join our Communication and Information Systems (CIS) team. This is your chance to play a pivotal role in securing the next generation of rail signalling, control systems, and station networks that millions depend on every day.

Your Mission: Engineer Trust & Resilience.

You will be the technical authority for cyber security assurance across the entire project lifecycle—from bid to commissioning. In this senior role, you will architect secure solutions, define security postures, and lead assurance activities to meet stringent industry standards, ensuring our rail infrastructure is safe, resilient, and trusted.

What You'll Bring:

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* Proven Expertise: Significant experience leading security engineering in demanding Operational Technology (OT) environments, ideally within rail, energy, or critical national...