OT Cyber Security Officer

RWE Generation UK; East Hagbourne; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading power generation company in the UK seeks an experienced OT cyber security engineer to enhance the security of their operational technology systems. This role requires proven experience in OT infrastructures, compliance with industry regulations, and excellent stakeholder engagement skills. Offering flexible working arrangements, this role is pivotal in ensuring the safe and reliable operation of power stations.

Benefits

Flexible and hybrid working

Company pension scheme

Employee share save programme

Membership discounts

Employee Assistance Programme

Qualifications

• Proven experience of OT infrastructures in energy sector.
• Knowledge of power plant operation is advantageous.
• Excellent reporting and stakeholder engagement skills.

Responsibilities

• Implement the OT Security Strategy at designated sites.
• Manage compliance with NIS / CAF Regulations.
• Conduct and document compliance reviews and audits.
• Identify and manage OT security risks.
• Provide assurance on OT security to site management.

Skills

OT infrastructures

OT application architectures

Power plant operation knowledge

Modbus

DNP3

OPC

PROFINET

Project management

Business fluent English

Regulatory standards knowledge

CISSP certification

Security+ certification

Education

University or technical college in engineering, computer science or related

Job description

Job Overview

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.

Completed university or technical college studies in engineering, computer science, mathematics, engineering or comparable education.

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

Qualifications

• 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 such as CISSP, Security+ would be highly desirable
• Completion of SC Vetting

Benefits

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