OT Security Engineer

Salary: £18,000 - 21,000 per year

Requirements

• Strong background in security engineering or security operations, ideally within OT or regulated environments
• Hands-on experience with EDR, NDR, XDR, SIEM, endpoint security, network security, or ICS monitoring
• Good understanding of threat models, adversary tactics, and defensive frameworks
• Experience integrating security tooling into SOC environments (e.g. SIEM/XDR platforms)
• Comfortable working independently while engaging confidently with technical and non-technical stakeholders
• Exposure to OT environments and standards (e.g. NIS, NIS-CAF) is highly desirable

Responsibilities

• Lead the implementation, configuration, and optimisation of OT security technologies (EDR, ITDR, NDR, ICS monitoring)
• Integrate OT security tooling with a central SOC/SIEM environment (including alerting, detection, and response tuning)
• Take a threat-led approach to security configuration, aligned to MITRE ATT&CK, Cyber Kill Chain, and relevant threat intelligence
• Roll out endpoint and ICS monitoring agents across OT environments, including remote and critical locations, while collaborating with operational teams to minimise disruption
• Establish operating models, alerting processes, and clear RACI ownership for OT security platforms
• Support incident response activities and continuous improvement of detection capability
• Work with vendors, security teams, and OT stakeholders to maximise value and platform performance
• Produce clear management information and security insights from deployed technologies

Technologies

• Support
• Network
• Security

More

We are a leading organization based in South Wales offering a challenging contract role for an OT Security Engineer. This position, which is hybrid with a focus on hands-on technical work, pays between £600 to £700 per day and is outside IR35 for a duration of 12 months, starting ASAP. In this role, you will have the opportunity to make a significant impact while working closely with SOC, security architecture, and incident response teams in a complex and dynamic environment.

last updated 16 week of 2026