Linux Systems Engineer — Automation, Security

ZENTACT SYSTEMS PTE. LTD. is seeking a Systems Administrator (Linux) to manage UNIX/Linux server Build/configuration, enforce security hardening, and develop automation scripts. You will deploy, support cutovers, and contribute to DR documentation. The role requires hands-on experience with RHEL/Oracle Linux, scripting in Shell and Python, and familiarity...

Tyson Jay Management Pte Ltd in Singapore seeks a Linux Systems Administrator to ensure reliability and lifecycle management of enterprise Linux infrastructure. You will handle day-to-day operations, monitoring, automation, patching and incident support within a managed services environment. Responsibilities include configuring Linux servers, monitoring...

A-IT Software Services Pte Ltd seeks a hands-on Application Support professional to manage environments from development to production, ensuring high availability and smooth releases. The role emphasizes automation, scripting, APIs, and collaboration with cross-functional teams in a banking/payments tech setting. The ideal candidate has strong Linux/Unix...

Tyson Jay Management Pte Ltd in Singapore seeks a Linux Systems Administrator to sustain reliability, performance and lifecycle management of enterprise Linux infrastructure. You will manage day-to-day operations, monitoring, patching and incident support in a managed services environment. Responsibilities include administering Linux servers, monitoring...

GMP Technologies (S) Pte Ltd is seeking an IT Infrastructure Engineer in Singapore to monitor and optimize systems, lead incident response, and coordinate with internal teams. You will handle change control and proactive maintenance, while collaborating with senior engineers and vendors to ensure seamless service cutovers. The role requires 3+ years of...

Rapsys Technologies Pte Ltd. in Bedok, Singapore, is seeking a System Engineer specialized in UNIX/Linux to join our IT operations. You will administer Unix/Linux servers (RHEL/CentOS/Ubuntu), monitor performance, patch systems, and automate tasks with shell scripts. The ideal candidate has 3–5 years hands‑on Unix/Linux experience, strong scripting...

RAPSYS TECHNOLOGIES PTE. LTD. in Bedok, Singapore, seeks a System Engineer - Unix/Linux to manage and optimize our Unix/Linux environment. You will ensure reliability, performance, and security while supporting infrastructure initiatives. The ideal candidate has 3–5 years of hands-on Unix/Linux experience with RHEL/CentOS/Ubuntu, solid shell scripting, and...

Maestro Human Resource Pte Ltd is seeking an experienced IT Systems Administrator to manage and monitor company infrastructure. You will install, configure, and test operating systems and applications, ensuring high availability and security while coordinating with vendors and stakeholders. The role requires a BS/MS in CS/Engineering, strong UNIX/Linux and...

The Duke-NUS Centre for Biomedical Data Science (CBDS) invites applications for a Linux HPC Systems Administrator. The role focuses on maintaining and upgrading the Centre’s servers, backing up research data, and collaborating with the Duke-NUS IT Department to keep systems secure and reliable. You will install and configure HPC clusters, stand‑alone...