Head of Operational Technology Security

Title of the position
- Head of Operational Technology (OT) Security
Location
- Bangalore
About The Business
Tata Electronics Pvt. Ltd. is a prominent global player in the electronics manufacturing industry, with fast-emerging capabilities in Electronics Manufacturing Services, Semiconductor Assembly & Test, Semiconductor Foundry, and Design Services. Established in 2020 as a greenfield venture of the Tata Group, the company aims to serve global customers through integrated offerings across a trusted electronics and semiconductor value chain. With a rapidly growing workforce, the company currently employs over 65,000 people and has significant operations in Gujarat, Assam, Tamil Nadu, and Karnataka, India. Tata Electronics is committed to creating a socioeconomic footprint by employing many women in its workforce and actively supporting local communities through initiatives in environment, education, healthcare, sports and livelihood.
Role Summary
The Head of OT Security is responsible for developing and executing the OT security strategy to protect critical manufacturing systems, including SCADA, PLCs, DCS, MES (Manufacturing Execution Systems), EDA tools, and fab automation systems from cyber threats. This role ensures compliance with global standards, mitigates risks, and aligns OT security initiatives with business objectives in a highly automated semiconductor manufacturing environment. Reports to: CISO. Department: Cybersecurity in AI.Digital department.
Responsibilities
Strategy & Leadership
Define and implement the OT security strategy aligned with corporate cybersecurity objectives and regulatory requirements.
Lead OT security governance, policies, and frameworks across all manufacturing sites.
Collaborate with IT security, engineering, and operations teams to integrate security into OT processes.
Risk Management & Compliance
Conduct OT-specific risk assessments and vulnerability management.
Ensure compliance with standards such as SEMI, IEC 62443, ISO 27001, and NIST CSF.
Maintain audit readiness and manage regulatory reporting.
Security Operations
Oversee OT network segmentation, access control, and monitoring.
Implement and manage OT-specific security tools (IDS/IPS, anomaly detection, SIEM for OT)
Lead incident response for OT environments, including root cause analysis and recovery.
Technology & Innovation
Stay ahead of emerging OT threats and recommend advanced security solutions.
Drive adoption of secure-by-design principles in new OT deployments.
Ensure security integration with MES, EDA tools, SCADA, PLCs, DCS, and fab automation systems.
Stakeholder Management
Engage with plant managers, automation engineers, and external vendors to ensure security alignment.
Manage relationships with third-party security providers and auditors.
Team Leadership
Build and lead a team of OT security specialists.
Provide training and awareness programs for OT personnel.
Essential Attributes
Strong leadership and communication skills.
Deep understanding of OT systems (SCADA, PLCs, DCS, MES, EDA tools, fab automation systems).
Knowledge of SEMI standards and Cybersecurity controls for Tool move-in and sustenance phases.
Knowledge of semiconductor manufacturing processes and MES systems. Worked in EMS/Semicon industry will be of added importance.
Qualifications
Bachelor’s or master’s in engineering, Cybersecurity, or related field.
Certifications: GICSP, CISSP, IEC 62443 Expert, or equivalent.
Desired Experience Level
10+ years in cybersecurity, with at least 5 years in OT/ICS security within manufacturing or critical infrastructure.

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