OT Cyber Security Analyst

Role: OT Cyber Security Analyst

Location: Culham - 2 days per week on site (hybrid)

Contract length: Until 18/12/2026

Day rate: Approx. £50/hour (Umbrella) or £36.43/hour (PAYE)

IR35: In scope

This 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 doing

Implement, 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 imple...