Senior Operational Technology (OT) Security Consultant
We are seeking a Senior Operational Technology (OT) Security Consultant to provide expert advice and practical support across complex industrial and critical infrastructure environments. You will help clients understand, assess and reduce cyber risk across operational technology, industrial control systems (ICS), supervisory control and data acquisition (SCADA) environments, and associated IT/OT networks. Working with technical and business stakeholders, you will develop security strategies that protect safety, availability, reliability and operational performance.
Your responsibilities will include leading OT security assessments, maturity reviews, threat and risk assessments, architecture reviews, vulnerability management activities and incident readiness exercises. You will design and implement security improvements aligned with recognised standards and frameworks, such as IEC 62443, NIST Cybersecurity Framework, NIST SP 800-82 and relevant regulatory requirements. You will produce high-quality reports, risk registers, remediation plans, policies and technical recommendations, while presenting findings clearly to both specialist and non-specialist audiences. You may also contribute to security monitoring, network segmentation, secure remote access, asset management, incident response planning and the development of OT security operating models.
The successful candidate will have substantial experience in OT, ICS or industrial cybersecurity, together with a strong understanding of industrial networks, control systems, engineering processes and the operational challenges of securing legacy technologies. Experience working across sectors such as energy, utilities, manufacturing, transport, pharmaceuticals or other critical infrastructure environments is desirable. Relevant professional certifications, including GICSP, GRID, CISSP, CISM, IEC 62443 or equivalent, would be advantageous. You will need excellent analytical, communication and stakeholder-management skills, the confidence to lead engagements independently, and the ability to translate complex technical risks into practical business outcomes. A collaborative, consultative approach and willingness to travel to client or operational sites when required are also expected.
Senior Operational Technology (OT) Security Consultant
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