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 settings 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