OT Security Analyst

We are currently seeking an experienced OT Cybersecurity Analyst to support the protection and resilience of critical Operational Technology (OT) systems across a large-scale industrial environment. This includes oversight of Industrial Control Systems (ICS) and SCADA platforms that form part of UK national infrastructure. Role Overview This position will focus on monitoring, assessing, and strengthening OT cybersecurity posture. The successful candidate will contribute to detection, response, and prevention strategies across a diverse technology stack within a regulated environment. Key Responsibilities Monitor and manage OT security monitoring tools and technologies. Analyse threats, assess vulnerabilities, and prioritise remediation efforts. Develop and execute incident response plans specific to OT systems. Identify and track vulnerabilities, working with internal teams for resolution. Support security assessments and coordinate OT-specific penetration testing. Assist in the development of OT-specific security policies and procedures. Ensure compliance with industry standards and regulatory frameworks, including IEC62443, NIS, CAF, OG86, and HSE. Apply and maintain network segmentation and security controls for OT environments. Collaborate with internal IT, engineering, and operations teams to align security objectives. Maintain technical documentation related to incidents, monitoring, and compliance. Contribute to the ongoing maintenance and development of the OT Cyber Defence Centre (CDC). Desired Experience and Skills Strong background in OT cybersecurity, ICS/SCADA systems, or industrial control networks. Familiarity with security frameworks such as NIST, IEC62443, NIS Regulations, CAF, or SoGP. Understanding of threat intelligence, attack surfaces, and cyber kill chains relevant to OT. Proven experience in vulnerability management and incident response in OT contexts. Ability to manage stakeholder relationships and communicate technical risks effectively. A proactive approach to problem-solving and strong attention to detail.

Location: Scotland,, GB

Posted Date: 7/14/2025