OT Cyber Security Lead DGH Recruitment are currently recruiting on behalf of a a leading client in the Oil & Gas industry who are looking for an Operational Technology Cyber Security Lead to join the team in Ellesmere Port. The role is responsible for developing, implementing, and managing cybersecurity strategies and controls for Operational Technology environments ensuring the protection of Critical National Infrastructure systems such as SCADA, DCS, PLCs, and other Industrial Automation & Control Systems (IACS), aligning with regulatory requirements including COMAH, HSE OG86, NIS, and ISO/IEC 62443. Key Responsibilities: * Lead the design, implementation and upkeep of the OT Cybersecurity Management System and policies to OG86 and IEC62443-2-1 compliance. * Conduct risk assessments and threat modelling for OT environments in accordance with IEC62443-3-2. * Manage NIS compliance for OT Networks and produce the NIS annual report. * Collaborate with Refinery OT Engineers to manage security controls for ICS, SCADA, and other OT systems. * Collaborate with engineering, IT, and safety teams to ensure secure integration of OT systems. * Oversee incident response and recovery procedures for OT-related cyber events reported by 24/7 OT SOC. * Ensure compliance with relevant standards and regulations (e.g., COMAH, HSE OG86, NIS, ISO/IEC 62443). * Develop and maintain key stakeholder relationships within the Refinery, DESNZ, NCSC and 3rd party suppliers. Skills: * Relevant certifications such as GICSP, CISSP, CISM, or ISA/IEC 62443 are preferred. * Significant experience working in cybersecurity or operational technology (OT) environments within critical national infrastructure (CNI) sectors such as power, water, oil & gas, transportation. * Strong understanding of industrial control systems (ICS) and communication protocols such as Modbus, OPC, and DNP3. * Proven experience with OT network architecture, including network segmentation, firewalls, and secure remote access. * Practical knowledge of key regulatory and compliance frameworks, including COMAH, NIS, HSE OG86, and ISO/IEC 62443. OT Cyber Security Lead In accordance with the Employment Agencies and Employment Businesses Regulations 2003, this position is advertised based upon DGH Recruitment Limited having first sought approval of its client to find candidates for this position. DGH Recruitment Limited acts as both an Employment Agency and Employment Business