Linux Engineer

Quesscorp Singapore Pte Ltd; Singapore; On-site; SGD 40,000 - 67,000; Full time

Job summary

Quesscorp Singapore Pte Ltd is seeking a capable System Administrator to install, configure, and maintain Linux/Unix environments in our Singapore office. You will manage file systems (ext4, XFS, LVM), user accounts, and permissions, ensuring reliable operation of critical services.

You will develop automation in Bash, Python, and tools like Ansible, Puppet, and Terraform to streamline provisioning, monitor performance, and troubleshoot issues.

Qualifications

• Experience administering Linux/Unix systems.
• Knowledge of ext4, XFS and LVM file systems.
• Scripting experience for automation (bash/python).
• Familiarity with OS hardening and security patches.

Responsibilities

• Install, configure, and manage Linux/Unix OS and file systems.
• Automate provisioning with Bash, Python, Ansible, Puppet or Terraform.
• Monitor performance and troubleshoot bottlenecks using system tools.
• Implement security hardening and patch management.

Skills

System administration

Linux/Unix

Scripting & automation

Troubleshooting

Tools

Ansible

Puppet

Terraform

Bash

Python

Job description

Salary: Up to 6000 SGD

• System Administration & Maintenance: Install, configure, and manage Linux/Unix operating systems, file systems (ext4, XFS, LVM), user accounts, groups, and access permissions.
• Automation & ing: Write and maintain Bash, Shell, or Python s (or tools like Ansible, Puppet, and Terraform) to automate server provisioning and routine tasks.
• Performance Monitoring & Troubleshooting: Monitor CPU, memory, disk utilization, and logs using tools like top, ps, grep, awk, or eBPF/perf to resolve crashes and bottlenecks.
• Security & Hardening: Implement OS hardening (SELinux, firewall rules, SSL/TLS), manage security patches, and enforce compliance standards.

EA License Number: 23C2060 | EA Registration ID: R26161060