Job Description

About Stolt-Nielsen Digital Innovation Centre
Were a family-founded company with a global reputation for excellence in bulk-liquid and chemical logistics, transportation, and storage and a passion for innovation that drives the world forward. From enabling smarter, safer, and more sustainable supply chains to advancing high-technology aquaculture, were constantly reimagining whats possible. Our spirit of entrepreneurship and continuous adaptation keeps us at the forefront of every industry we serve.
Across our businesses, we deliver world-class reliability, flexibility, and expertise ensuring that complex operations run seamlessly.
We recognise the rich potential of Indias talent pool, which is why we have set up the Stolt-Nielsen Digital Innovation Centre in Hyderabad, purpose-built to be the global hub for product development and operations (DevOps) for all our businesses and corporate functions.
At the Stolt-Nielsen Digital Innovation Centre, were leading the digital evolution of our global businesses creating smart, high-quality digital solutions that empower our customers and colleagues alike.

:
About the Role
Were looking for an Operational OT Security specialist who will serve as the first point of contact for security alerts and incidents within our operational technology networks on our terminals and vessels.
Youll ensure the secure operation of ourOperational Technology infrastructure, proactively protecting assets from cyber threats while mitigating vulnerabilities
What Youll Do

• Oversee cybersecurity operations for all vessel and shore-based OT
• Develop, manage, and enforce policies that ensure compliance with industry frameworks, such as IEC 62443 and NIST Cybersecurity Framework
• Coordinate with the outsourced SOC for OT network monitoring, alert handling, and incident response
• Protect and secure Industrial Control Systems (ICS), SCADA systems, PLCs, and other OT components
• Manage perimeter security, firewalls, and network segmentation strategies for OT environments
• Integrate and collaborate with IT teams to ensure coordination between IT and OT security policies
• Prepare incident response plans for OT-related cybersecurity events and lead investigations when required
• Identify, prioritize, and mitigate vulnerabilities in ICS/PLC/DCS environments
• Review and validate OT vulnerabilities reported by SOC
• Assess operational risk and feasibility of remediation of vulnerabilities
• Support OT-related projects, including security solution upgrades, infrastructure refreshes, compliance assessments, and penetration testing
• Provide consultancy and training to local teams on best practices within OT security

What Youll Bring

• Strong experience in OT and cyber security, ideally within industrial environments
• Proven expertise in hardening OT systems, designing secure network architecture, and configuring security devices
• Familiarity with technical standards and protocols applied to OT environments (e.g., Modbus, OPC-UA, or similar)
• Demonstrated knowledge of network security fundamentals and infrastructure management (switches, access points, cabling, etc.)
• A proactive mindset with attention to detail and strong critical thinking skills
• Excellent communication skills for facilitating cross-functional cooperation and presenting risk assessments to stakeholders

Must Have Skills

• Deep understanding of ICS network topologies (zones and conduits per ISA/IEC 62443) and protocols: OT Networking/ Modbus, DNP3, PROFINET, EtherNet/IP, OPC-UA, etc
• Layer 2/3 network design principles
• Hands-on experience with OT-aware firewalls/ Palo Alto (advantage), performing firewall audits and compliance checks
• Understanding ICS/OT-specific CVEs and advisories.

Nice to have Skills

• ISA/IEC 62443 Cybersecurity Fundamentals Specialist
• Background in penetration testing for OT environments
• Experience with OT-aware SIEM, network monitoring or threat detection platforms
• Hands-on experience with OT asset inventories

Skills Required