OT Analyst/Technician in Antrim

We're so much more than an energy company. We're a family of brands revolutionising how we power the planet. 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.

As part of Centrica's 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
• 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.

Key Responsibilities:

• 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.

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.
• Supporting OT cybersecurity activities such as incident response, monitoring, patching, backups, and secure remote access.
• AI / Digital fluency skills - Bringing the ability to design and reuse prompt templates to support consistent, high-quality workflow outputs, and skilled in using AI to triage, classify and analyse information within Centrica policy guardrails.
• Strong ability to recognise higher-risk scenarios and escalate to governance or security as needed.

If you're full of energy, fired up about sustainability, and ready to craft not only a better tomorrow, but a better you, then come and find your purpose in a team where your voice matters, your growth is non-negotiable, and your ambitions are our priority.

Help us, help you. We would love for you to share any information about yourself throughout our recruitment process so that we can better understand you and help shape your journey.