Operational Technology Cyber Engineer

Key Responsibilities

OT Security Design & Implementation

• Develop and implement cybersecurity measures across operational technology environments within power generation and water treatment facilities.
• Design and maintain OT network architecture, ensuring proper segmentation between IT and OT environments (including Purdue Model Levels 0–3.5).
• Harden IC assets such as HMIs, PLCs, RTUs, DCS, SCADA systems, and engineering workstations.
• Ensure secure IT/OT integration and apply regular patching or compensating controls to OT assets.

Risk Assessment & Compliance

• Conduct risk assessments and ensure compliance with NIST CSF, ISO 27001:2022, and Singapore's CII regulations (CCoP by CSA, WSCP by PUB).
• Support alignment with Company’s Group Cybersecurity Framework (based on NIST CSF).
• Ensure compliance with IEC 62443 / ISA 99 standards for industrial automation and control system se...