Security OT Engineer Rate: £500 - £550 Inside IR35 Duration: 6 months Location: South West (Bristol) - 2 days per week onsite The Role: We're hiring an experienced Security OT Engineer to support the protection and evolution of complex Operational Technology (OT) and industrial control system environments. This role sits within a Security Operations function but is heavily engineering focused, combining hands on OT security tooling, detection engineering and incident response to strengthen resilience across critical infrastructure. Key Responsibilities: Act as the OT security engineering SME, supporting both operational and project based activities Engineer, configure and optimise OT security platforms (e.g. OT NDR tools such as Claroty or equivalent) Develop and refine detection rules, alerting logic and monitoring coverage across OT and IT/OT convergence points Lead technical investigations and incident response for OT-related cyber events Analyse industrial network traffic to identi...