OT Network Architect Role Summary The OT Network Architect is part of the Network team and is responsible for defining the architecture, standards, and technical roadmap for network connectivity and security across manufacturing and Operational Technology (OT) environments. This role works across Network, OT, Cybersecurity, and Active Directory teams to establish a segmented, identity-aware OT architecture aligned with Zero Trust principles, manufacturing resiliency needs, and enterprise security standards. The role provides architectural direction for segmentation, identity integration, secure access, and OT modernization initiatives.

Key Responsibilities Architecture & Strategy Define and govern OT network architecture standards across manufacturing environments Develop reference architectures for segmentation, secure access, and connectivity patterns across sites Establish architecture for zones,



and microsegmentation aligned to Zero Trust Define long-term architecture roadmap for OT network and security capabilities Required 10+ years of network engineering, security architecture, or infrastructure architecture experience Solid experience defining architecture for routing, switching, segmentation, and firewall technologies Experience supporting OT or manufacturing environments, including production-critical systems Preferred Experience working with Aruba and Cisco network hardware Experience with OT security and visibility platforms (e.g., NAC integrations, OT monitoring tools) Familiarity with Zero Trust, IEC 62443, and NIST frameworks Key Skills Strong architecture and design thinking with operational awareness Ability to translate identity and security requirements into network architecture Cross-functional leadership across Network, AD, Security, and OT teams Ability to manage complexity across global, multi-site environments Clear communication of architectural decisions, tradeoffs, and risks

📌 Sr OT Network Architect (India)
🏢 Virtusa
📍 India