OT Cyber Security Senior Manager
We are seeking an experienced OT Cyber Security Senior Manager to lead the development and delivery of cybersecurity strategy across operational technology environments. This role will be responsible for protecting critical industrial systems, connected assets, control networks and supporting infrastructure while enabling safe, reliable and compliant operations. You will provide strategic direction, technical leadership and expert advice to senior stakeholders, engineering teams, site leaders and technology functions.
Key responsibilities will include defining and maintaining the OT cybersecurity roadmap, governance framework, policies, standards and secure architecture principles. You will oversee risk assessments, threat modelling, vulnerability management, incident response readiness, security monitoring and resilience planning across geographically dispersed environments. The role will lead the implementation of controls aligned with recognised standards and regulations, such as IEC 62443, NIST, ISO 27001 and relevant critical infrastructure requirements. You will also manage security improvement programmes, support investment planning, review third-party and supply-chain risks, and ensure that cybersecurity requirements are embedded throughout the lifecycle of OT systems, from design and procurement through to operation and decommissioning.
The successful candidate will have significant experience leading OT, industrial control systems or critical infrastructure cybersecurity programmes, together with a strong understanding of network segmentation, secure remote access, asset discovery, vulnerability management, identity and access controls, and incident response in operational environments. Experience working with engineering, manufacturing, utilities, energy or other industrial sectors is highly desirable. You will be an effective people leader with a track record of building high-performing teams, influencing senior stakeholders and managing complex, cross-functional initiatives. Strong communication, decision-making and risk-management skills are essential, as is the ability to balance security requirements with safety, availability and operational performance. Relevant professional certifications and qualifications in cybersecurity, industrial control systems or risk management would be advantageous.
OT Cyber Security Senior Manager
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