Role: OT Cyber Security AnalystLocation: Culham - 2 days per week on site (hybrid)Contract length: Until 18/12/2026Day rate: Approx. £50/hour (Umbrella) or £36.43/hour (PAYE)IR35: In scopeThis role sits at the heart of operational technology security within critical infrastructure, giving you the chance to shape and mature OT security controls and governance in a highly visible environment.What you will be doingImplement, operate, and continuously improve OT security controls and monitoring capabilities across complex OT environments.Apply and embed an OT Security Strategy, policies, and standards across industrial control and critical infrastructure systems.Align OT security with leading frameworks such as IEC 62443, NIST CSF, CAF and ISO 27001.Carry out OT security risk assessments, gap analyses and remediation planning.Work closely with operations, engineering teams and MSPs to ensure security controls are implemented and sustained.Contribute to governance artefacts - policies, standards and documentation that underpin OT security.Support integration with SIEM/SOC functions for OT environments.What our client is looking forStrong OT security experience within ICS or critical infrastructure - ideally from oil and gas, rail, chemical, or similar process industries.Hands-on experience implementing OT security strategies, policies and standards.Solid understanding of OT networks, segmentation and common industrial protocols.Familiarity with SIEM/SOC integration for OT ..... full job details .....