OT Cyber Security Analyst

<p><strong>Role:</strong> OT Cyber Security Analyst</p><p><strong>Location:</strong> Culham - 2 days per week on site (hybrid)</p><p><strong>Contract length:</strong> Until 18/12/2026</p><p><strong>Day rate:</strong> Approx. £50/hour (Umbrella) or £36.43/hour (PAYE)</p><p><strong>IR35:</strong> In scope</p><p></p><p>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.</p><p></p><p><strong>What you will be doing</strong></p><ul><li>Implement, operate, and continuously improve OT security controls and monitoring capabilities across complex OT environments.</li><li>Apply and embed an OT Security Strategy, policies, and standards across industrial control and critical infrastructure systems.</li><li>Align OT security with leading frameworks such as IEC 62443, NIST CSF, CAF and ISO 27001.</li><li>Carry out OT security risk assessments, gap analyses and remediation planning.</li><li>Work closely with operations, engineering teams and MSPs to ensure security controls are implemented and sustained.</li><li>Contribute to governance artefacts - policies, standards and documentation that underpin OT security.</li><li>Support integration with SIEM/SOC functions for OT environments.</li></ul><p></p><p><strong>What our client is looking for</strong></p><ul><li>Strong OT security experience within ICS or critical infrastructure - ideally from oil & gas, rail, chemical, or similar process industries.</li><li>Hands-on experience implementing OT security strategies, policies and standards.</li><li>Solid understanding of OT networks, segmentation and common industrial protocols.</li><li>Familiarity with SIEM/SOC integration for OT environments.</li><li>Experience working with operations/engineering teams and advising MSPs or third-party security providers.</li><li>Excellent communication and documentation skills, especially around policies and standards.</li><li>Maximum notice period of 2 weeks.</li></ul><p></p><p><strong>Desirable</strong></p><ul><li>Experience with OT asset discovery, monitoring and OT security tools.</li><li>Exposure to regulatory requirements for critical infrastructure (e.g. NIS Directive, UK CAF).</li><li>Understanding of project / service delivery lifecycles and ITSM controls.</li></ul><p></p><p><strong>Security clearance</strong></p><ul><li>Active SC clearance or SC that has lapsed within the last 12 months is required (no flexibility on this).</li></ul><p></p><p>This is a strong opportunity for someone who wants to work at the intersection of OT, cyber security and critical national infrastructure, with the stability of a contract running to the end of 2026.</p><img src="https://www.jobg8.com/Tracking.aspx?mvZ2aGq5iQXpAT4mYmJjUqJ4SyD6wD9cf" width="0" height="0" />