Cyber Security Operational Technology (OT) Specialist

• Lead the implementation of new technical security controls across OT environments
• Contribute to the assessment of OT network architecture, protocols, and change management processes
• Lead incident response and remediation for cyber events detected by our OT SIEM systems
• Actively support vulnerability management and ensure threat exposure is minimised
• Provide hands-on leadership in data and asset management, including backup and removable media deployments
• Apply and track security metrics to ensure the ongoing effectiveness of controls
• Deliver awareness training and cyber security guidance across OT engineering teams
• Champion collaboration across cyber, IT, and engineering teams-bridging gaps between tech, process, and people

• Ability to work independently and manage multiple priorities
• Strong desire to continuously learn, share knowledge, and adapt in a dynamic environment
• High regard for environmental, safety, and regulatory standards
• Keen understanding of the Purdue Model, OT/DMZ/IT network segregation, and energy-sector-specific technologies
• Demonstrable experience implementing security controls within OT environments
• Hands-on knowledge of OT technologies and protocols, including experience managing configuration changes
• Experience working within incident response frameworks-from coordination to containment and recovery
• Familiarity with threat modelling and architectural reviews, particularly in critical national infrastructure
• Relevant certifications or credentials in IEC62443 or cyber security frameworks applicable to OT environments
• Understanding of the NCSC Cyber Assessment Framework (CAF) is highly desirable

Understanding of the NCSC Cyber Assessment Framework (CAF)

• Pension
• Private Medical
• Incentive plan
• 25 Holidays