OT Cybersecurity Engineer
On-siteCoimbatore, Tamil Nadu, India
Job Summary
Conduct OT/ICS security assessments and risk gap analyses across global manufacturing sites using ISA/IEC 62443, NIST, and ICS-CERT guidelines. Maintain OT asset inventories, design Purdue Model segmentation, and oversee deployment of OT-specific security controls. Serve as the primary security contact for each facility, lead incident response planning, and develop governance aligned to ISO 27001. Track threat intelligence, promote security awareness, and drive automation to improve operational maturity. Evaluate AI-driven capabilities to strengthen insights while maintaining control. Requires 10+ years of cybersecurity experience with 5+ years in OT/ICS environments.
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.)
- Strong 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 independently and drive assessments, planning, communication, and execution
- Excellent written and verbal English communication skills
Desired Qualifications
- Experience in network security, firewall management, and segmentation
- Experience with OT security monitoring platforms
- Knowledge of Industry 4.0 technologies including IIoT, MES, and digital twins
- Familiarity with cloud‐connected OT environments and secure remote access architectures
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