OT Cybersecurity Engineer

Company : Flintex Consulting

Job Type : Full Time

Singapore, Singapore

Job Description - OT Cybersecurity Engineer

OT Cybersecurity Engineer

Key Responsibilities

Support implementation of OT cybersecurity initiatives across CII and non-CII environments.

Perform security reviews and hardening of DCS, SCADA, HMI, PLC, RTU and engineering workstations.

Support OT network security including segmentation, firewalls, secure remote access and Purdue Model architecture.

Conduct/support Threat Risk Assessments (TRA), Security by Design (SBD) reviews and vendor security assessments.

Support compliance with IEC 62443, NIST CSF, ISO 27001, CSA CCoP and PUB WSCP requirements.

Monitor and investigate OT cybersecurity alerts using SIEM and OT security monitoring tools.

Support vulnerability management, incident response and cybersecurity tabletop exercises.

Work closely with plant O&M, engineering, IT, cybersecurity teams and OT vendors.

Technical Requirements

Good understanding of OT/ICS architecture and industrial control systems.

Experience with one or more OT systems such as ABB 800xA, Siemens PCS 7, Honeywell PKS, GE Mark VIe or Schneider Electric.

Working knowledge of industrial protocols such as Modbus, OPC, IEC 61850, IEC-104 or DNP3.

Exposure to OT security tools such as Claroty, Nozomi or Dragos, and SIEM platforms such as Google SecOps or Splunk.

Experience

4–6 years of relevant experience, preferably with exposure to:

OT/ICS environments, particularly energy, gas and/or water

OT/IT cybersecurity

Critical infrastructure / CII regulatory requirements

Cybersecurity risk assessments and audits

Planning or supporting cybersecurity tabletop exercises

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OT Cybersecurity Engineer

Job Description - OT Cybersecurity Engineer

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