Operational Technology Cyber Engineer

Job Description

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 ICS 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 automat...