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 environments.
- Familiarity with IEC 62443 cybersecurity standards for industrial communication networks.
- Knowledge of NIST Cybersecurity Framework and general cybersecurity best practices.
- Experience with firewalls, intrusion detection systems, and access control technologies.
- Experience with virtualization platforms such as VMware or Microsoft Hypervisor.

Qualifications

Education

- Bachelors degree in Electronics Engineering, Electrical & Instrumentation , Cyber Security Engineering, Computer Science, Information Technology, or related engineering discipline.

Experience

- 5–7 years of experience for Engineer level roles.
- 7–10 years of experience for Senior Engineer roles.
- Experience working with cybersecurity in Operational Technology (OT) or Industrial Control System (ICS) environments.
- Experience supporting energy, industrial automation, or infrastructure projects is preferred.

Soft Skills

- Strong analytical and problem-solving abilities.
- Ability to work in multi-disciplinary global engineering teams.
- Excellent written and verbal communication skills in English.
- Ability to collaborate with stakeholders and vendors on cybersecurity requirements.
- Danish language skills are an added advantage but not mandatory.

📌 Sr Engineer OT Security Ramboll Chennai (Tamil Nadu)
🏢 Ramboll
📍 Tamil Nadu