Principal Information Security Consultant (OT)
We are seeking a Principal Information Security Consultant (OT) to provide expert security advice across operational technology environments, helping organisations strengthen resilience, manage risk and protect critical systems. You will work with senior stakeholders, engineering teams and technology specialists to shape practical security strategies that support safe, reliable and compliant operations. The role will involve influencing decision-making at both strategic and technical levels, while translating complex cyber security risks into clear, actionable recommendations.
Your responsibilities will include leading OT security assessments, maturity reviews and risk assessments; developing security architectures, policies, standards and roadmaps; and advising on the secure design, deployment and operation of industrial control systems and connected technologies. You will support the identification and treatment of vulnerabilities, contribute to incident preparedness and response planning, and help define appropriate monitoring, access control, network segmentation and defence-in-depth measures. You will also deliver concise reports and presentations for technical and non-technical audiences, mentor colleagues and contribute to the continued development of consulting methods and service offerings.
Applicants should have substantial experience in OT, industrial control systems or critical national infrastructure security, together with a strong understanding of relevant threats, vulnerabilities and operational constraints. Knowledge of frameworks and standards such as IEC 62443, NIST Cybersecurity Framework, NIST SP 800-82, ISO 27001 or the NCSC principles for securing operational technology would be advantageous. Experience across environments such as manufacturing, energy, utilities, transport or other safety-critical sectors is desirable. You will need excellent communication, stakeholder management and consultancy skills, sound commercial awareness, and the ability to work independently on complex engagements. Relevant professional certifications, such as CISSP, CISM, GICSP or a comparable OT security qualification, would be welcomed.
Principal Information Security Consultant (OT)
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