Job Summary

You will be part of our 24x7 Global Plantline Service Technical Support Team, responsible for securing, monitoring, and supporting Operational Technology (OT) networks and cybersecurity infrastructure for industrial automation systems deployed across global cement plants. The role includes management of cybersecurity solutions, network monitoring, endpoint protection, remote access security, firewall administration, incident response, compliance monitoring, and customer cybersecurity support activities.

The position plays a critical role in ensuring secure and reliable operation of plant automation systems, including process control systems, servers, operator stations, engineering stations, and industrial communication networks.

Your responsibilities

OT Network Management

- Monitor and maintain OT network infrastructure.
- Support industrial Ethernet networks, VLANs, switches, routers, and firewalls.
- Troubleshoot network communication issues impacting automation systems.
- Monitor network availability, performance, and security events.
- Support secured remote access solutions for customer plants.
- Coordinate network changes with plant and customer IT teams.
- Maintain OT network documentation and architecture diagrams.

Cyber Security Operations

- Administer endpoint security platforms including Trellix ePO.
- Implement and maintain cybersecurity policies and standards.
- Monitor cybersecurity alerts and security events.
- Conduct vulnerability assessments and security reviews.
- Support implementation of defense-in-depth strategies for OT environments.
- Manage antivirus, application control, and endpoint protection solutions.




- Perform periodic cybersecurity health checks and compliance reviews.

Security Monitoring Incident Response

- Monitor malware detections, policy violations, communication failures, and threat events.
- Investigate cybersecurity incidents and coordinate remediation activities.
- Perform root-cause analysis and corrective action follow-up.
- Escalate critical cybersecurity events according to SLA requirements.
- Maintain incident reports and lessons-learned documentation.
- Support customer audits and cybersecurity assessments.

OT System Monitoring

- Monitor health of automation servers and engineering workstations. Monitor Process Expert (PXP), ECS, QCX, historian, and related OT infrastructure.
- Review system alarms, communication failures, and operational events.
- Support proactive maintenance and system reliability programs.
- Coordinate with PlantLine support teams for issue resolution.

Compliance Governance

- Ensure cybersecurity compliance across managed customer systems.
- Review endpoint compliance and software update status.
- Validate policy enforcement and security configurations.
- Support cybersecurity governance meetings.
- Maintain compliance reports and management dashboards.
- Support implementation of cybersecurity best practices and standards.

Customer Support Engagement





- Provide remote cybersecurity and network support for global customers.
- Participate in customer review meetings.
- Support incident investigations and customer communications.
- Provide recommendations for cybersecurity improvements.
- Assist sales and service teams with cybersecurity solution deployment opportunities. What you bring
- A bachelor's degree in Instrumentation Engineering, Electronics and Communication Engineering, Computer Science, Information Technology, Cybersecurity, or a related engineering discipline.
- You bring 3-8 years of relevant experience in one or more of the following areas:

- OT networking

- Industrial automation

- Cybersecurity operations

- System administration

- Industrial Control Systems (ICS)

Technical expertise

- OT Industrial Systems: Industrial Ethernet networks, OPC communications, automation system architecture, process control systems, Windows Server administration, and virtualization platforms.
- Networking: TCP/IP, DNS, DHCP, routing and switching, VLAN configuration, firewall administration, and VPN management.
- Cybersecurity: Trellix ePO administration, endpoint security, application control and whitelisting, malware analysis, incident response, vulnerability management, and security monitoring.
- Tools Technologies: Trellix ePO, endpoint security platforms, industrial firewalls, remote-access solutions, Power BI, Microsoft 365, and OT monitoring platforms.

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 OT Cybersecurity & Network Engineer (Chennai)
🏢 FLSmidth Cement
📍 Chennai