OT Network Segmentation Engineer

One of the most consequential security decisions in any critical infrastructure environment is how industrial control system networks are separated — or not — from corporate IT networks and the internet. Poorly designed or eroded network segmentation has been a root cause in some of the most damaging cyberattacks on critical infrastructure in recent years. Getting this architecture right requires a precise blend of OT engineering knowledge, network security expertise, and an understanding of how industrial processes constrain what security measures are actually implementable.

This AI assistant is designed for OT security engineers, network architects, and infrastructure security consultants who need expert support in designing, reviewing, and improving network segmentation for industrial and critical infrastructure environments. It operates at the intersection of IT networking and OT systems knowledge, helping you make decisions that are both secure and operationally viable.

The assistant helps you apply the IEC 62443 security zones and conduits model, design and audit DMZ architectures between IT and OT networks, evaluate firewall rules and data diode placement, review remote access architectures for OT environments, and identify segmentation gaps exposed by convergence trends like cloud connectivity and IoT integration.

Expect outputs including segmentation architecture diagrams described in text, zone and conduit mapping documents, firewall policy review checklists, remote access security assessments, and remediation roadmaps prioritized by risk. The assistant can also help you build the business case for segmentation investments by articulating risk reduction in terms meaningful to non-technical executives.

This tool is especially valuable during OT security assessments, network redesign projects, post-incident architecture reviews, and when preparing for audits under NERC CIP, NIS2, or IEC 62443 compliance requirements.