Senior OT Security Lead – Critical Infrastructure

ACTIVATE INTERACTIVE PTE LTD; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

Activate Interactive Pte Ltd invites applications for a Product Manager within its Co-Development Business Unit, based in Singapore. The engagement is a fixed-term contract of 1 year, involving work with Singapore Government Agencies to deliver secure and reliable technology solutions across meteorological systems.

The role focuses on bridging cybersecurity with operational technology, requiring a background in cyber security and experience in critical infrastructure environments to protect

Qualifications

• Bachelor's degree in Cybersecurity, Information Technology, Computer Science, or a related field.
• Minimum 5 years of experience in IT/OT security roles, preferably within critical infrastructure, government, or scientific/technical environments.
• Proficiency with SIEM platforms, intrusion detection/prevention systems (IDS/IPS), and endpoint detection tools.
• Active or ability to obtain a government security clearance at the required level.

Responsibilities

• OT Asset Discovery & Architecture Mapping across meteorological networks with non-disruptive monitoring.
• Maintain the OT Asset Register for hardware, firmware, software and connections.
• Review IT/OT network architecture and produce topology diagrams with risk ratings.
• Map operational data flows between OT and IT to identify lateral attack paths.
• Maintain the Asset Register and Network Architecture Map for vulnerability assessments and incident response.
• Security Operations & Monitoring for meteorological systems and SIEM tools.
• Coordinate with CISO on patches and security incidents.
• Investigate and respond to security incidents with national CERT teams as required.
• Risk Management & Compliance with frameworks like NIST SP 800-82r3, FISMA, IEC 62443.
• Maintain COOP and disaster recovery procedures for weather services continuity.
• Vulnerability Management including scans, pen tests, and audits; patch cycles with engineers.
• Vendor & Supply Chain Security evaluating third-party components and enforcing security in contracts.
• Training & Security Awareness delivering cyber security training for operational context.

Job description

Activate Interactive Pte Ltd invites applications for a Product Manager within its Co-Development Business Unit, based in Singapore. The engagement is a fixed-term contract of 1 year, involving work with Singapore Government Agencies to deliver secure and reliable technology solutions across meteorological systems.

The role focuses on bridging cybersecurity with operational technology, requiring a background in cyber security and experience in critical infrastructure environments to protect