Systems Administrator (Linux)

Zentact Systems Pte Ltd; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Zentact Systems Pte Ltd in Singapore seeks a Systems Administrator (Linux) to manage Linux server builds, hardening, and automation. You will contribute to deployment, DR documentation, and capacity reporting while maintaining runbooks and knowledge articles for operations.

The role emphasizes stability, security, and automation with exposure to cloud/virtualization platforms and clustering technologies. On-site Singapore location with cross-functional IT collaboration.

Qualifications

• Unix/Linux server build and configuration.
• Security hardening of servers and compliance checks.
• Automation using shells and Python to improve operations.

Responsibilities

• UNIX/Linux Server Build and Configuration
• Security Hardening Compliance
• Automation Scripts and Playbooks
• Deployment and Cutover Support
• Capacity and Performance Reports
• Disaster Recovery Documentation
• Technical Design Documents (TDD)
• Operational Runbooks and Knowledge Articles

Skills

Linux Administration

UNIX Server Build

Shell Scripting / Python

High Availability & Clustering

Cloud & Virtualization

Storage Administration

Tools

Veritas Cluster

AWS

Azure

VMware

Job description

Position : Systems Administrator (Linux)

• UNIX/Linux Server Build and Configuration
• Security Hardening Compliance
• Automation Scripts and Playbooks
• Deployment and Cutover Support
• Capacity and Performance Reports
• Disaster Recovery Documentation
• Technical Design Documents (TDD)
• Operational Runbooks and Knowledge Articles

Primary Skills :

• Linux Administration (RHEL / Oracle Linux)
• UNIX Server Build, Configuration & Security Hardening
• Shell Scripting / Python Automation

Secondary Skills :

• High Availability & Clustering (VCS FSS / Veritas Cluster)
• Cloud & Virtualization (AWS, Azure, VMware)
• Storage Administration (SAN/NAS, LVM)

Work Location : Singapore