https://jobs.co.uk/job/ot-security-consultant-4square-recruitment-ltd--38466fe0-da61-44bd-993f-3aec3b9770e1 RSS feed for OT Security Consultant at 4Square Recruitment Ltd. en-gb Thu, 16 Jul 2026 04:42:39 GMT https://jobs.co.uk/job/ot-security-consultant-4square-recruitment-ltd--38466fe0-da61-44bd-993f-3aec3b9770e1 https://jobs.co.uk/job/ot-security-consultant-4square-recruitment-ltd--38466fe0-da61-44bd-993f-3aec3b9770e1 Tue, 14 Jul 2026 11:52:25 GMT Location: London | Salary: 65000.00-65000.00 Annual | Type: Permanent | OT Security Consultant - Remote / UK Client Site TravelWe''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 assessmentsSCADA and control system environment reviewsIEC 62443, NIST SP 800-82 and NCSC CAF aligned workIT / OT convergence, segmentation and remote access reviewsOT-aware vulnerability assessments using non-disruptive approachesReporting and briefings for both engineering teams and senior stakeholdersSupporting the development of a growing OT security service lineKey experience required:Demonstrable OT / ICS security delivery experienceStrong understanding of ICS / SCADA components and OT protocols such as Modbus, DNP3, OPC, PROFINET, PLCs, RTUs and HMIsExperience working around live plant, industrial or safet... Permanent