OT Security Consultant
We are seeking an experienced OT Security Consultant to help protect industrial control systems, operational technology environments and critical infrastructure from evolving cyber threats. In this role, you will work with engineering, infrastructure, risk and operational teams to assess security maturity, identify vulnerabilities and develop practical measures that improve resilience without disrupting essential operations. The position requires a strong understanding of the differences between IT and OT environments, including the need to balance security, safety, availability and regulatory obligations.
Your responsibilities will include conducting OT security assessments, reviewing network architectures and identifying weaknesses across industrial control systems, SCADA, DCS, PLC and safety instrumented environments. You will support the development and implementation of security strategies, policies, standards and procedures aligned with recognised frameworks such as IEC 62443, NIST CSF and relevant critical infrastructure regulations. You will also contribute to risk assessments, threat modelling, incident response planning, vulnerability management, segmentation initiatives and secure remote-access designs. The role involves preparing clear technical documentation, risk reports and recommendations, as well as presenting findings to both technical stakeholders and senior decision-makers. Where required, you may support security testing, audits, supplier reviews and the delivery of awareness sessions for operational personnel.
The successful candidate will have proven experience in OT, ICS or industrial cybersecurity, supported by a strong understanding of network security principles, industrial protocols and common OT technologies. Experience with asset discovery, network monitoring, firewalls, intrusion detection, endpoint protection and secure architecture design is highly desirable. You should be confident working across multidisciplinary teams, able to translate complex technical risks into practical business outcomes and comfortable operating in environments where safety and operational continuity are paramount. Relevant certifications such as GICSP, GRID, CISSP, CISM, IEC 62443 or equivalent qualifications are advantageous. Strong communication, analytical, consulting and stakeholder-management skills are essential, along with a willingness to travel to operational sites when required.
OT Security Consultant
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