OT Security Officer
We are seeking an experienced OT Security Officer to help protect operational technology environments that support essential industrial and business processes. In this role, you will develop, maintain and continuously improve OT cybersecurity controls across industrial control systems, supervisory control and data acquisition (SCADA) platforms, programmable logic controllers, building management systems and related operational networks. You will work closely with engineering, operations, IT, risk and compliance teams to ensure that security measures are practical, proportionate and aligned with safety, availability and business requirements.
Your responsibilities will include identifying and assessing OT security risks, maintaining asset inventories and network diagrams, supporting vulnerability management, reviewing system changes and contributing to secure architecture and design decisions. You will help implement network segmentation, secure remote access, endpoint protection, monitoring and incident response capabilities. The role will also involve investigating alerts and security events, coordinating containment and recovery activities, supporting threat and risk assessments, and ensuring that lessons learned are incorporated into improved procedures. You will contribute to audits, assurance activities, security testing, business continuity planning and the development of policies, standards and operational guidance.
We are looking for a security professional with experience in OT, industrial cybersecurity, critical infrastructure or a closely related environment. You should understand common OT protocols, control-system architectures, defence-in-depth principles and the operational impact of security controls. Familiarity with recognised frameworks and standards such as IEC 62443, NIST, ISO 27001 or relevant regulatory requirements is desirable. Experience with security monitoring, vulnerability assessment, incident management and risk analysis will be highly valued. Strong communication and stakeholder-management skills are essential, as you will need to explain technical risks clearly and collaborate with colleagues at all levels. Relevant certifications in cybersecurity, industrial control systems or risk management are advantageous, together with a practical, methodical approach and a commitment to safe, resilient and continuously improving operations.
OT Security Officer
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