Senior Cyber Security Engineer

?? Senior Cyber Security Engineer (Assurance) ?? 12-month Contract | ?? Hybrid (Weekly onsite in Chippenham or Ashby-de-la-Zouch, UK ) My client is seeking an experienced Senior Cyber Security Engineer (Assurance) to support the secure delivery of mission-critical rail infrastructure systems. This role suits a hands-on OT cyber security specialist who can lead assurance activities across products and integrated solutions, from bid stage through to commissioning and in-service support.

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Role Overview You will act as the cyber security assurance lead, providing technical leadership across: ?? Security architecture ?? Threat & risk assessment ?? Standards & compliance ?? Security testing & validation ?? Assurance documentation You'll work closely with product, delivery, and customer security teams to ensure security is designed in, implemented, and assured throughout the engineering lifecycle. ??

Key Responsibilities ?? Lead cyber security assurance end-to-end (bid ?? design ?? build ?? test ?? commission ?? support) ?? Engage with customer security teams to align on strategy, assurance, and risk appetite ?? Define security requirements and design secure architectures (zones & conduits) ?? Perform threat modelling and risk assessments; define appropriate controls ?? Define and oversee security testing, including FAT, SAT, and penetration testing ??

Assess third-party components against security requirements ?? Represent cyber security at project reviews and stage gates ?? Skills & Experience ? Essential ?? Degree (or equivalent experience) in an engineering or technical discipline ?? Proven experience leading cyber security in OT environments ?? Strong hands-on knowledge of IEC 62443 ?? Working knowledge of CENELEC standards ??? Strong communication and stakeholder engagement skills ?

Desirable ?? CISSP, CSSLP, or CESG Certified Professional (CCP) ????? Experience mentoring engineers ?? Background in rail, utilities, industrial automation, or other safety-critical sectors ?? Interested? Apply directly to learn more. Randstad Technologies is acting as an Employment Business in relation to this vacancy.