Linux Systems Administrator - Automation & Security Hardening

ZENTACT SYSTEMS PTE. LTD.

Singapore

On-site

SGD 55,000 - 90,000

Full time

3 days ago

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Job summary

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 with HA clustering, cloud platforms (AWS/Azure), and virtualization (VMware).

Qualifications

Linux Administration on UNIX/Linux environments (RHEL / Oracle Linux)
UNIX Server Build, Configuration & Security Hardening
Shell scripting and Python automation for operational tasks
HA/Clustering with VCS FSS or Veritas Cluster infrastructure
Cloud & Virtualization (AWS, Azure, VMware) and related tools
Storage management (SAN/NAS, LVM) and related technologies

Responsibilities

UNIX/Linux Server build and configuration
Security hardening compliance
Automation scripts and playbooks
Deployment and cutover support
Capacity and performance reporting
Disaster recovery documentation
Technical design documents (TDD)
Operational runbooks and knowledge articles

Skills

Linux Admin

UNIX Build

Security Hardening

Shell Scripting

Python Automation

HA Clustering

Cloud Virtualization

SAN/NAS

LVM

Tools

VCS FSS

Veritas Cluster

AWS

Azure

VMware

SAN/NAS

LVM

Job description

The role requires hands-on experience with RHEL/Oracle Linux, scripting in Shell and Python, and familiarity with HA clustering, cloud platforms (AWS/Azure), and virtualization (VMware).

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