Senior Cyber Security Engineer

• Engage with client security teams to shape strategy and risk appetite. Develop and own Cyber Security Management Plans.
• Design secure architectures using zoning (IEC 62443) and define critical security controls for rail signalling, SCADA, and control systems.
• Conduct threat and risk analyses (TRA). Specify security requirements and ensure compliance with standards like IEC 62443, TS 50701, NIS/NIS2, and EU CRA.
• Oversee security testing, review assurance artefacts, and lead or coordinate penetration testing activities to validate system security.
• Mentor project teams, represent security at stage-gate reviews, and lead lessons-learned sessions to foster continuous improvement.

Technologies:

• Support
• Security
• Architect, We are a global leader in transport solutions looking for a Senior Cyber Security Engineer (Assurance) to join our Communication and Information Systems (CIS) team. This role presents an opportunity to make a tangible impact on critical rail infrastructure while working with cutting-edge technology. Our team values collaboration and is committed to safety and service resilience. The position is flexible, with weekly visits to two sites, and offers a competitive daily rate within a 12-month contract.

• Significant experience leading security engineering in demanding Operational Technology (OT) environments, ideally within rail, energy, or critical national infrastructure.
• Hands-on, practical experience applying the IEC 62443 series of standards. Knowledge of CENELEC standards is highly advantageous.
• Excellent communication skills with a proven ability to influence internal and external stakeholders. Experience in mentoring other engineers.
• A degree in an engineering, scientific, or numerate discipline. Hold or be working towards relevant certifications (e.g., CISSP, CSSLP, CCP).
• A track record of embedding security across the full engineering lifecycle-from concept and design through to testing, deployment, and support.