OT Cyber Lead for Nuclear ICS/SCADA

Great British Nuclear; England; On-site; GBP 90,000 - 130,000; Full time

Job summary

Great British Energy - Nuclear in the United Kingdom seeks an experienced Cyber Security and Information Assurance Lead to drive the OT cyber strategy for the SMR programme, securing ICS, SCADA, and embedded control systems across the lifecycle.

The role requires adherence to IEC 62443, ISO 27001, and UK guidance, plus SbD leadership and collaboration with the Design Authority and NSC to embed security by design in critical safety systems.

Qualifications

• Extensive experience in cyber security management for OT environments, ideally within nuclear, utilities, or other regulated sectors.
• Proven track record securing ICS, SCADA, PLCs, and other industrial control systems.
• Strong knowledge of OT-specific standards and regulatory frameworks.
• Experience in secure OT system design, implementation, and lifecycle management.
• Excellent communication and stakeholder management skills.
• Degree in Cyber Security, Information Assurance, Engineering, or related field.
• Eligible for UK National Security Vetting - Security Check (SC).

Responsibilities

• Lead the cyber security strategy for OT systems, including ics, scada, and embedded control systems.
• Ensure robust integration of cyber security into OT system architecture and lifecycle.
• Develop and maintain the Information Assurance Framework tailored to OT environments.
• Conduct OT-specific risk assessments, threat modelling, and vulnerability analysis.
• Oversee cyber resilience testing and incident response planning for OT systems.
• Ensure alignment with nuclear and OT cyber standards, including IEC 62443, ISO/IEC 27001, NCSC guidance and UK Cyber Essentials and ONR SyAPs.
• Act as the primary interface for Secure by Design across OT systems.
• Review and approve design proposals and changes for systems critical to safety, security, and safeguards.
• Collaborate with the Design Authority and Nuclear Safety Committee to embed SbD principles.
• Lead engagement with internal engineering, IT, and regulatory teams.
• Facilitate design reviews and cyber assurance meetings focused on OT systems.
• Develop and maintain OT-focused cyber security policies and processes.
• Drive innovation in OT cyber security, leveraging modern technologies and methodologies.

Skills

OT cyber security

ICS/SCADA security

Risk assessment

Threat modelling

Incident response

Stakeholder mgmt

Regulatory standards

Education

Degree in Cyber Security

Job description

Great British Energy - Nuclear in the United Kingdom seeks an experienced Cyber Security and Information Assurance Lead to drive the OT cyber strategy for the SMR programme, securing ICS, SCADA, and embedded control systems across the lifecycle.

The role requires adherence to IEC 62443, ISO 27001, and UK guidance, plus SbD leadership and collaboration with the Design Authority and NSC to embed security by design in critical safety systems.