Principal OT Security Consultant
We are seeking a Principal OT Security Consultant to provide strategic leadership and technical expertise across operational technology and industrial control system environments. You will advise clients on improving the security, resilience and compliance of critical infrastructure, manufacturing, energy, utilities and other industrial operations. Working with stakeholders ranging from executive leadership to engineering and operations teams, you will assess current capabilities, define pragmatic security strategies and guide the delivery of risk-based improvements without compromising safety, availability or operational performance.
Key responsibilities will include leading OT security assessments, maturity reviews, architecture evaluations and incident readiness exercises; developing governance frameworks, policies, standards and roadmaps; and advising on network segmentation, secure remote access, asset visibility, vulnerability management, identity and access controls, monitoring and threat detection. You will support the design and review of secure OT architectures, contribute to incident response and recovery planning, and translate complex technical risks into clear recommendations for both technical and non-technical audiences. The role will also involve mentoring consultants, shaping client engagements, contributing to proposals and thought leadership, and maintaining awareness of evolving threats, regulations and industry good practice.
Applicants should have substantial experience in OT, ICS, SCADA or industrial cybersecurity, together with a strong understanding of relevant protocols, technologies, architectures and operational constraints. Experience delivering consulting engagements, risk assessments, security programmes or transformation initiatives is essential. You should be confident working independently and collaboratively, managing competing priorities and influencing stakeholders at all levels. Professional certifications such as CISSP, CISM, GIAC, GICSP, GRID or equivalent are desirable, as is familiarity with recognised frameworks and standards including IEC 62443, NIST Cybersecurity Framework, NIST SP 800-82 and ISO 27001. Excellent written and verbal communication skills, sound commercial judgement and a practical, safety-conscious approach are required.
Principal OT Security Consultant
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