Job Description
- Design, implement, and maintain OT cybersecurity controls to protect industrial systems from cyber threats.
- Work with Industrial Control Systems (ICS) technologies including:
- Distributed Control Systems (DCS)
- SCADA Systems
- Programmable Logic Controllers (PLC)
- Human Machine Interface (HMI)
- Conduct risk assessments and vulnerability assessments for operational technology environments.
- Implement and configure security solutions such as:
- Firewalls
- Intrusion Detection Systems (IDS)
- Access control mechanisms
- Network segmentation architectures
- Apply cybersecurity frameworks and standards such as:
- IEC 62443
- NIST Cybersecurity Framework
- NERC CIP
- ISO 27001
- Work with industrial communication protocols including BACnet, Modbus, PROFINET, and PROFIBUS.
- Support and secure communication networks including LAN, WAN, Wi-Fi, IoT networks, radio communication systems, and CCTV infrastructure.
- Manage and support Windows-based environments including Active Directory, DNS, DHCP, RAS, WSUS, and Group Policies.




- Manage virtualized environments and support troubleshooting using VMware or Microsoft Hypervisor platforms.
- Implement and support backup and recovery technologies in OT environments.
- Deploy host-based security solutions such as antivirus, DLP, host intrusion prevention systems, and application whitelisting.
- Monitor emerging cybersecurity threats and recommend improvements to OT security architecture.
- Provide technical guidance on OT cybersecurity policies, procedures, and best practices.
- Collaborate with internal engineering teams, vendors, and external stakeholders to ensure secure OT system implementation.

Technical Skills
- Robust understanding of Industrial Control Systems (ICS) and SCADA architectures.
- Knowledge of OT protocols and standards including:
- Modbus
- DNP3
- IEC 61850
- OPC
- Experience designing and implementing OT security architectures.
- Experience with network segmentation strategies for OT

📌 Sr Engineer OT Security Ramboll Chennai
🏢 Ramboll
📍 Chennai