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Flintex Consulting Pte Ltd

OT Cybersecurity Engineer

Flintex Consulting Pte Ltd Singapore · SGD 96K–SGD 108K/yr

Staffing and Recruiting · 11-50 employees

Yesterday
security Senior (5-10 yrs) Full-time Singapore
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About the role

Support the implementation of OT cybersecurity initiatives and perform security reviews for industrial control systems. Monitor and investigate cybersecurity alerts while ensuring compliance with industry standards like IEC 62443 and NIST CSF.

What they look for

OT Cybersecurity Industrial Control Systems Network Segmentation Firewalls Threat Risk Assessment IEC 62443 NIST CSF ISO 27001 SIEM Vulnerability Management Incident Response Modbus OPC Claroty Nozomi Dragos

Requirements

Requires 4-6 years of experience in OT/ICS environments with knowledge of industrial protocols and security tools. Candidates should have experience in critical infrastructure and cybersecurity risk assessments.

Full description

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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