OT Analyst/Technician

Centrica plc; United Kingdom; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

Centrica plc's Operational Technology team is seeking an OT Analyst/Technician to protect industrial control systems across our energy sites. You will monitor cybersecurity controls, support incident response, and maintain asset and patch records in line with Centrica standards.

Working in a UK-based hybrid role, you will collaborate with engineers, cybersecurity specialists and vendors to ensure secure, compliant and resilient OT operations, with opportunities to enhance tooling and processes.

Qualifications

• Hands-on OT security experience in energy or industrial environments.
• Knowledge of OT networks, protocols, and security controls.
• Experience supporting incident response, monitoring, patching, and backups.
• Familiarity with OT security frameworks and regulations (IEC 62443, NIS, ISO 27001).

Responsibilities

• Support OT cybersecurity incident response per CSIRT/GSOC guidance.
• Monitor OT cybersecurity controls across sites and perform health checks.
• Contribute to OT risk, compliance, and audit activities.
• Maintain OT asset, patch, backup, and recovery records.
• Assist with secure OT connectivity and vendor assessments.

Skills

Operational Technology

Incident response

OT security frameworks

ISO 27001

NIS

Collaboration

AI fluency

Prompt templates

Risk management

Education

Degree in Cybersecurity, IT/Engineering

Job description

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

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 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 Demonstrates the safe and responsible use of AI tools, with clear knowledge of when AI use is appropriate and strong awareness of accuracy, bias and compliance.
• 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 escal…

Why should you apply?

We’re not a perfect place – but we’re a people place. Our priority is supporting all of the different realities our people face. Life is about so much more than work. We get it. That’s why we’ve designed our total rewards to give you the flexibility to choose what you need, when you need it, making sure that you and your family are supported not only financially, but physically and emotionally too.

Visit the link below to discover why we’re a great place to work and what being part of more means for you. https://www.morethanacareer.energy/centrica

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.

We’re a family of brands revolutionising how we power the planet. When it comes to energy, no one does it like us. We make it, store it, move it, sell it and mend it. We’re made up of 12 different businesses, but united by our purpose as Centrica. We’re energisers. Our journey to a greener, fairer future is powered by individuals like you. Through innovative green products, intelligent energy solutions and developing smarter ways to use and save energy, we’re not just part of the energy transition, we’re leading it. Our commitment goes beyond sustainability. Together we’re bringing our collective energies to create positive change in our local communities. If you immerse yourself in our fight to change tomorrow, you might just find your why. We’re looking for people to add to our culture – not fit in with it. We're building a community where you can be unapologetically you, where differences are celebrated, and where everyone can belong. Real inclusivity also means supporting the different realities our people face. That’s why we have the UK’s best Carers Policy and are continually building our approach to flexibility and wellbeing. Of course, we love having fun too. We’re a people place after all.