OT Analyst/Technician

As an OT Analyst/Technician, you'll provide hands on support across our OT cybersecurity and resilience activities, ensuring that industrial control systems remain secure, compliant and operationally robust. You'll work closely with engineers, cybersecurity specialists, and external partners to monitor OT environments, support incident response, maintain asset and patch records, and contribute to risk, compliance and audit activities. The role also supports the ongoing improvement of our OT controls, processes and tooling, making use of data driven and automated capabilities to streamline routine tasks and enhance the quality and speed of delivery.

Location: UK based hybrid role, occasional travel to site.

• Day to day support OT cybersecurity incident response, including investigation, evidence gathering, containment, remediation, and technical actions such as system isolation and patching, under CSIRT and GSOC guidance.
• Operate and monitor OT cybersecurity controls across Centrica Power sites, performing routine health checks, maintenance, and configuration validation in line with Security Operations processes.
• Contribute to OT risk, compliance, and audit activities, including risk reviews, penetration testing, regulatory evidence preparation, and validation of remediation actions against standards such as NIS and ISO27001.
• Maintain accurate OT asset, patch, backup, and recovery records, validating third party activities and ensuring systems remain resilient, recoverable, and compliant with Centrica security standards.
• Implement and support secure OT connectivity, including network configurations and vendor remote access, monitoring sessions, escalating anomalies, and supporting vendor assessments.
• Maintain OT cybersecurity documentation and registers, support resilience testing and recovery drills, assist with tooling and process improvements, and contribute to OT security awareness and training activities.

• Experience working hands on with, or closely alongside, Operational Technology and industrial control systems within energy or large industrial environments, with a good understanding of how OT operates.
• Practical knowledge of automation, controls, OT networks, protocols, and security controls.
• Experience supporting OT cybersecurity activities such as incident response, monitoring, patching, backups, and secure remote access.
• Working knowledge of OT security frameworks and regulations (e.g. IEC62443, NIS, ISO27001).
• Ability to work effectively with engineers, vendors, and cybersecurity teams to maintain secure and resilient OT operations.
• Degree in Cybersecurity, IT/Engineering (or equivalent experience); relevant OT security certifications preferred.
• Excellent collaboration and communication skills, enabling effective facilitation across operations, finance, compliance, architecture, and delivery teams for both technical and non technical audiences.

• Demonstrates safe and responsible use of AI tools, with clear knowledge of when AI use is appropriate and strong awareness of accuracy, bias and compliance.
• Can design and reuse prompt templates to support consistent, high quality workflow outputs, and is skilled in using AI to triage, classify and analyse information within Centrica policy guardrails.
• Strong ability to recognise higher risk scenarios and to escalated them to governance or security as needed.
• Proficient in enterprise AI co pilots, knowledge assistants and AI enhanced productivity tools.