OT Analyst/Technician

Responsibilities

• 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 ISO 27001.
• 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.
• What we need from you
• 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. IEC 62443, NIS, ISO 27001).
• 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.
• AI / Digital fluency skills
• Strong ability to recognise higher-risk scenarios and escalate to governance or security as needed. Alongside this, showing proficiency in enterprise AI co-pilots, knowledge assistants and AI-enhanced productivity tools.
• Why should you apply?

Benefits

Additional Information

Join us, be part of more. We're so much more than an energy company. We're a family of brands revolutionising how we power the planet. We're energisers. One team of 21,000 colleagues that's energising a greener, fairer future by creating an energy system that doesn't rely on fossil fuels, whilst living our powerful commitment to igniting positive change in our communities. Here, you can find more purpose, more passion, and more potential. That's why working here is #MoreThanACareer. We do energy differently - we do it all. We make it, store it, move it, sell it, and mend it. As part of Centricas new transformation, you have an opportunity to play your part - Our Operational Technology keeps energy moving safely and reliably - and this role plays a vital part in protecting it. 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. This is a technically focused role with real operational impact, offering the opportunity to build deep OT expertise while contributing directly to the safe, secure and continuous delivery of energy to millions. Location: UK-based hybrid role, Occasional travel to site.

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