OT Security Consultant

OT Security Consultant – Remote / UK Client Site Travel We’re working with a specialist cyber security consultancy that is building out a new Operational Technology / ICS security service line due to growing demand from clients across industrial, energy and critical infrastructure environments. They are looking for an experienced OT Security Consultant who can lead assessments across ICS, SCADA and live operational environments, while helping shape the methodology, tooling and future direction of the practice. This is a hands-on, client-facing role covering: OT / ICS security assessments SCADA and control system environment reviews IEC 62443, NIST SP 800-82 and NCSC CAF aligned work IT / OT convergence, segmentation and remote access reviews OT-aware vulnerability assessments using non-disruptive approaches Reporting and briefings for both engineering teams and senior stakeholders Supporting the development of a growing OT security service line Key experience required: Demonstrable OT / ICS security delivery experience Strong understanding of ICS / SCADA components and OT protocols such as Modbus, DNP3, OPC, PROFINET, PLCs, RTUs and HMIs Experience working around live plant, industrial or safety-critical environments Strong client-facing communication and report writing skills CISSP or GICSP certification UK right to work Full UK driving licence and willingness to travel to client sites Useful but not essential: GICSP, GRID, GCIP or ISA/IEC 62443 certifications Energy, utilities, water, manufacturing or wider critical infrastructure experience OT monitoring and asset discovery tools such as Nozomi, Claroty, Dragos or Tenable OT SC clearance eligibility Background in penetration testing, assurance or audit This is a full-time, permanent position offering remote working, varied UK client engagements and the opportunity to play a key role in building a new OT security capability.