Cybersecurity | 18-5-2026
Senior OT Security Engineer
- | Lemington Spa
- £80,000 - £90,000 per annum
We are seeking an experienced Senior OT Security Engineer L3, with strong expertise in ICS/OT security and hands-on experience with the Armis Centrix platform. This role supports large-scale manufacturing environments and plays a key part in strengthening OT security across complex industrial operations.
You will work closely with plant teams, vendors, and cross-functional stakeholders to improve asset visibility, enhance threat and vulnerability management, and ensure robust OT security controls are in place.
Key Responsibilities
- Manage and optimise the Armis Centrix platform across plant environments.
- Improve deployment architecture of Armis Collectors to reduce complexity and improve coverage.
- Standardise configurations and reduce false positives through alert tuning.
- Improve asset inventory accuracy, vulnerability data, and reporting quality.
- Design and implement new OT threat detection use cases.
- Produce reporting for technical teams and senior stakeholders.
- Work with plant operations and vendors to align OT security with business needs.
Essential Skills & Experience
- Strong experience in OT / ICS Security environments.
- Hands-on experience with Armis Centrix.
- Knowledge of PLC, DCS, MES, SCADA systems.
- Strong understanding of OT networks and architecture.
- Experience in vulnerability, asset, and incident management in OT.
- Knowledge of IAM, firewalls, endpoint security, PKI, DLP, EDR.
- Experience with SIEM tools (e.g. Splunk ES, QRadar, Google Chronicle).
- SOC experience, including log integration and correlation rules.
- Strong stakeholder communication and reporting skills.
Please share your profile for immediate consideration
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