Job Description
Overview
A leading payments organisation is hiring a System Administrator in Singapore to support critical production infrastructure across Unix, Linux, middleware and storage environments. This is a hands-on infrastructure role within the Infrastructure team responsible for secure and high-performing platforms supporting business-critical services Responsibilities
You will manage and maintain Unix and Linux environments across production, disaster recovery, test, and UAT platforms, ensuring strong availability, performance, and operational stability. Responsibilities include system administration, OS hardening and patching, infrastructure upgrades, certificate and password lifecycle management, backup scheduling, disaster recovery planning and testing, and Level 2/3 incident support. You will also support change and release activities, create deployment packages, maintain configuration records, perform capacity and performance monitoring, and contribute t...