Lead OT Cyber Security & Monitoring Engineer

Salary: £52,000 - 92,000 per year

Requirements:

• Proven experience in cyber security operations, threat detection, and incident response within Operational Technology (OT), industrial control systems, or regulated Critical National Infrastructure (CNI) environments.
• Strong understanding of OT environments, incident response lifecycles, cyber threats, and the challenges of securing critical infrastructure.
• Experience investigating cyber security incidents and supporting response, recovery, and resilience activities in OT or industrial environments.
• Knowledge of security monitoring, intrusion detection, network monitoring, and OT security platforms such as Dragos or equivalent.
• Understanding of cyber threat frameworks and methodologies, including MITRE ATT&CK for ICS and industrial communication protocols.
• Ability to work independently, lead complex technical activities, manage ambiguity, and influence stakeholders across operational, engineering, and cyber security teams.
• Strong collaboration, stakeholder management, and supplier engagement skills, with experience working across multidisciplinary teams.
• Experience contributing to cyber security strategies, capability roadmaps, assurance activities, regulatory compliance, or continuous improvement initiatives is desirable.
• Experience within electricity transmission, distribution, utilities, or other Critical National Infrastructure sectors is highly desirable.
• Relevant cyber security or OT security certifications such as CISSP, GCIH, GCIA, GICSP, Security+, ISA/IEC 62443, or SANS ICS are advantageous.

Responsibilities:

• Lead the development and continuous improvement of OT cyber monitoring, detection, and alerting capabilities across operational environments.
• Develop and influence OT security strategies, roadmaps, and capability plans, aligning operational risks, threat intelligence, regulatory requirements, and engineering priorities.
• Provide expert OT cyber security guidance and risk-based recommendations to engineering, operational, cyber security, and supplier stakeholders.
• Act as the key liaison between OT operations and enterprise cyber security teams, ensuring OT-specific risks and operational considerations are reflected in security processes.
• Apply specialist knowledge of OT monitoring technologies, industrial control systems, and cyber threat detection to improve visibility and resilience across critical assets.
• Drive the development of detection use cases, alert tuning, monitoring enhancements, reporting, and performance metrics to strengthen security assurance and effectiveness.
• Support cyber incident response and preparedness activities, providing OT expertise for investigations, recovery, exercises, and continuous improvement initiatives.
• Coach and mentor colleagues, promoting knowledge sharing and consistency across OT cyber security and engineering teams.
• Collaborate with industry partners and suppliers to enhance monitoring, detection, incident response, and long-term cyber resilience capabilities.

Technologies:

• Support
• Network
• Security

More:

We are National Grid Electricity Transmission (NGET), operating at the heart of energy in the UK and supporting a safe, reliable electricity network that powers homes, schools, and businesses. We are seeking a Lead OT Security Engineer to strengthen cyber security monitoring across our OT environment and improve visibility of cyber risk across critical operational systems. The role is based in Warwick for 2 days per week and can be combined with hybrid working from home. We offer a competitive salary of £61,000 to £77,000 depending on capability, plus a £3,000 market supplement, 26 days holiday plus statutory days, an annual performance incentive, a generous pension scheme with double matching up to 6%, life insurance at 10 times basic salary, employer funding toward private medical insurance, and access to flexible benefits. We are committed to an inclusive culture, flexible and tailored support, and encourage applicants with diverse experiences and backgrounds.

last updated 37 week of 2026