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IT Security Officer (Operational Technology)

Islandwide, Singapore
PermanentInformation Technology

Job Description

Required 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.

Key Responsibilities OT Asset Discovery & Architecture Mapping Security Operations & Monitoring Risk Management & Compliance Vulnerability Management Preferred Qualifications • Familiarity with meteorological systems, remote sensing technologies, or environmental monitoring infrastructure. • Demonstrated experience securing SCADA, ICS, or OT systems. • Strong working knowledge of NIST, FISMA, and IEC 62443 frameworks. • Experience working within a 24/7 mission-critical operational environment. • Knowledge of WMO (World Meteorological Organization) data standards and international weather data sharing protocols. • One or more active certifications: CISSP, CISM, CEH, GICSP, or equivalent. • Experience with cloud security in hybrid environments (AWS, Azure Government). Note: o CISSP (Certified Information Systems Security Professional) o CISM (Certified Information Security Manager) o CEH (Certified Ethical Hacker) o GICSP (Global Industrial Cyber Security Professional) — highly valued for OT/radar network security.

About Aryan Solutions Pte. Ltd.

First seen: September 3, 2026
Last updated: September 10, 2026