Senior Rail OT Security Architect & Threat Lead

Siemens Mobility is seeking a Senior Cyber Security Engineer to join our Rail Infrastructure business. The role supports secure, integrated rail systems across signalling, electrification, power SCADA, and station information, with offices in Ashby or Chippenham (and other UK locations).

You will design architectures, conduct threat analyses, lead security testing, and mentor junior engineers, working with customers to implement robust security controls and incident response capabilities.