Location: Culham, Oxfordshire (2 days/week on-site)

Contract: Until 18/12/2026

IR35: In Scope

Rate: £50/hr Umbrella

Clearance: Active SC or lapsed within 12 months

Role Overview

We are seeking an experienced OT Cyber Security Analyst to support the security, monitoring, and continuous improvement of Operational Technology environments within a critical infrastructure setting.

This role combines hands-on OT security engineering with governance and risk responsibilities, ensuring OT systems are protected, monitored, and aligned with industry standards and frameworks.

You will work closely with OT engineers, security teams, and third-party providers to implement and maintain effective OT security controls.

Key Responsibilities

* Implement OT security controls (segmentation, secure remote access, monitoring tools)

* Integrate OT environments into SIEM/SOC platforms and tune detections

* Support OT ass...