IT Security Officer - Operational Technology (OT) Security (Public Sector)

Xtremax Pte. Ltd. • Singapore, Singapore • Posted July 08, 2026

About the Role

At Xtremax, we're looking for an experienced IT Security Officer specialising in Operational Technology (OT) Security to support mission-critical meteorological systems that operate around the clock. You'll play a key role in protecting the infrastructure behind weather observation, forecasting, and environmental monitoring platforms that deliver essential services to the public.

Working within a highly specialised OT environment, you'll secure critical systems including weather radar networks, satellite ground stations, automated weather observation systems (AWOS), and upper-air sounding infrastructure. This role combines cybersecurity engineering, risk management, security operations, and regulatory compliance across hybrid IT/OT environments.

You'll work closely with infrastructure engineers, security stakeholders, and technology partners to strengthen cyber resilience while ensuring the continuous availability of systems supporting national weather o...