OT Cyber Security Officer

RWE AG; Sutton Courtenay; Hybrid; GBP 100,000 - 125,000; Full time

Job summary

A leading power generation company in the UK is seeking an experienced OT Cyber Security Officer. The role requires implementing security strategies, ensuring compliance with regulations, and managing OT security risks across multiple sites. The ideal candidate has a degree in engineering or computer science, proven experience in OT infrastructures, and familiarity with relevant standards. This position offers flexible and hybrid working arrangements.

Benefits

Flexible and hybrid working

Company pension scheme

Employee share save programme

Membership discounts

Employee Assistance Programme

Qualifications

• Proven experience of OT infrastructures and application architectures in the energy sector.
• Knowledge of power plant operation is advantageous.
• Familiarity with regulatory standards like CAF and ISO/27001.

Responsibilities

• Implement the OT Security Strategy at sites within the designated region.
• Manage compliance with NIS/CAF Regulations across OT environments.
• Conduct periodic compliance reviews and audits of OT systems.

Skills

Engaging with management

Project planning and leadership

Knowledge of Modbus, DNP3, OPC, PROFINET

Team orientation

Business fluent in English

Education

Degree in engineering, computer science, or mathematics

Tools

CISSP certification

Security + certification

Job description

OT Cyber Security Officer

RWE Generation UK, England

Unlimited, Full‑time

Functional area: Gas

Locations

• Didcot, OXF, GB, OX11 7YU
• Little Barford, CAM, GB, PE19 6YT
• Great Yarmouth, NFK, GB, NR30 3PY
• Grimsby, LIN, GB, DN31 3SY

We are seeking an experienced and dedicated OT cyber security engineer to join our team at RWE, a leading power generation company. You will play a pivotal role securing OT systems and infrastructure to ensure the safe, reliable and secure operations of our power stations. This role combines strong governance responsibilities with hands‑on security activities to ensure that OT Security controls are effectively implemented and enforced at operational sites in a pragmatic manner. This role will require regular travel within the UK.

Responsibilities

• Implementation of the OT Security Strategy within RWE Generation at the sites within the designated region of responsibility
• Manage and monitor compliance with NIS/CAF Regulations across OT environments
• Conduct and document periodic compliance reviews, audits and risk assessments of OT systems
• Development, evaluation and continuous adaptation of best practice solutions and regulations in the area of OT security (definition of procedures, standards, concepts, etc.)
• Identify, assess and manage OT security risks, escalating appropriately to management
• Provide assurance to site management on OT security and regulatory compliance
• Support deployment and verification of OT security controls across power station sites (e.g. access controls, network segmentation, monitoring, patch management)
• Provide guidance and oversight on incident response, disaster recovery and business continuity plans for OT
• Collaborate with IT/OT engineering and operations teams to ensure security by design in new projects and upgrades
• Communicate OT security risks, compliance status, and incident findings clearly to both technical and non‑technical stakeholders
• Influence and guide site personnel, engineers and management to implement required controls

What we expect

• Completed university or technical college studies in engineering, computer science, mathematics, engineering or comparable education
• Proven experience of OT infrastructures and OT application architectures in the energy sector/process industry
• Knowledge of power plant operation would be advantageous
• Familiarity with Modbus, DNP3, OPC and PROFINET
• Experience in planning and leading projects
• Excellent skills in reporting and engaging with management, influencing and engaging stakeholders at all levels
• Business fluent in English
• Clear team orientation and high integrity
• Knowledge of regulatory standards, CAF, ISO/27001 would be advantageous
• Relevant certification, CISSP, Security + would be highly desirable
• Completion of SC Vetting

What we offer you

We aim to make your time with us as rewarding as possible by fostering a supportive and inclusive environment. Alongside competitive pay and opportunities for growth, we care about your well‑being and the balance between work and life.

• Flexible and hybrid working, enabling a balance between remote work and in‑office collaboration
• Company pension scheme to help secure your future
• Employee share save programme giving you a stake in our success
• Membership discounts to keep you active and energised
• Employee Assistance Programme offering confidential guidance and support