4Square Recruitment Ltd
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.
To apply for this job please visit www.reed.co.uk.
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