As an OT Expert, you will serve as the subject matter expert (SME) for OT cyber visibility, architecture, and governance. You’ll lead asset discovery, segmentation strategy, and integration of monitoring platforms across complex ICSe environments. This is a client-facing role, engaging with multiple customers to enhance their OT security posture and demonstrate the business value of risk reduction.
You’ll work closely with infrastructure, compliance, product, and field teams to implement security best practices aligned to IEC 62443, NIST CSF, and CPwE frameworks.
Key Responsibilities

Lead the deployment, configuration, and tuning of OT security platforms across customer ICSe environments.
Support TCSM teams with value delivery, operationalizing OT visibility solutions within the context of customer business priorities.
Drive asset inventory accuracy, passive discovery strategies, and enriched contextual mapping for PLCs, HMIs, and SCADA systems.
Align segmentation and network architecture to industry standards such as IEC 62443, CPwE, and NIST CSF 2.0.




Partner with internal and client-side IT/OT teams to facilitate patching, firmware updates, and configuration hardening across industrial assets.
Provide architectural input and hands-on guidance on OT threat detection, alert tuning, and event correlation via integration with SIEM and SOC tools.
Build dashboards, KPIs, and reports showcasing asset risk, segmentation posture, and threat trends across OT networks.
Lead OT-focused workshops, risk reviews, and client advisory sessions to promote awareness and maturity of ICSe security programs.
Continuously assess the effectiveness of OT tools and advocate improvements via vendor and internal engineering collaboration.
Support compliance efforts (e.g., NERC CIP, ISA/IEC 62443, NIST 800-82) by generating asset visibility reports and vulnerability context.
Collaborate with stakeholders across multiple accounts to identify OT security gaps and design strategic roadmaps for

📌 OT Expert (Madrid)
🏢 Armis
📍 Madrid