The OT Cybersecurity Engineer safeguards the global Operational Technology (OT) ecosystem across manufacturing sites in Asia, the Americas, and Europe. Operating from India, this role leads OT security assessments, designs secure architectures aligned to ISA/IEC 62443 and NIST frameworks, and drives continuous monitoring, governance, and risk reduction across PLCs, SCADA, DCS, industrial IoT, and MES settings.

Key Responsibilities

Conduct OT/ICS security assessments across global manufacturing sites.
Perform risk and gap analyses against ISA/IEC 62443, NIST, and ICS‑CERT guidelines.
Maintain OT asset inventories including firmware versions, network diagrams, and data flows.
Design and enforce segmentation aligned to the Purdue Model.
Recommend and oversee deployment of OT‑specific security controls.
Serve as the primary OT security contact for each facility.
Lead OT‑specific incident response planning and tabletop exercises.
Develop OT security policies, standards, and governance aligned to ISO 27001 and ISA 62443.




Track OT threat intelligence and update risk registers accordingly.
Promote OT security awareness across engineering and operations teams.
Drive automation, standardization, and modernization to improve service quality, reduce manual effort, and increase operational maturity.
Evaluate and apply AI‑driven capabilities to improve operational efficiency, strengthen insights, and accelerate automation while maintaining governance and control.

Required Qualifications

10+ years of cybersecurity experience with 5+ years focused on OT/ICS environments.
Deep expertise with ISA/IEC 62443, NIST, NERC CIP, or equivalent OT frameworks.
Proven experience securing SCADA, DCS, and PLC systems (Siemens, Rockwell, Schneider Electric, ABB, GE, etc.).
Robust understanding of industrial network architecture, the Purdue Model, OT/IT DMZ design, and protocol security.
Experience working in multi‑site, globally distributed manufacturing environments.
Ability to operate i

📌 Ot Cybersecurity Engineer Coimbatore (India)
🏢 Mold-Masters
📍 India