Linux Systems Administrator -

Tyson Jay; Singapore; On-site; SGD 72,000 - 120,000; Full time

Job summary

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 health, applying patches, automating recurrent tasks, backing up baselines, working with cross-functional teams to resolve incidents, using

Qualifications

• 3+ years in Linux system administration or similar infrastructure operations.
• Strong hands-on experience with Linux operating systems, esp. RHEL, incl. troubleshooting & performance monitoring.
• Exposure to scripting and config-management tools such as Bash, Python, Ansible, Puppet or Chef.
• ITIL Foundation and RHCSA certifications with good troubleshooting and teamwork.

Responsibilities

• Administer Linux server environments: installation, configuration, patching, upgrades, ongoing maintenance.
• Monitor system health, capacity and performance; troubleshoot to maintain service availability.
• Maintain configuration standards and automate recurring tasks.
• Apply patches, security updates and harden server controls.
• Support baselines, backups and recovery procedures for consistency.
• Collaborate with infrastructure, network, storage and security teams to resolve incidents.
• Use scripting/automation to improve efficiency and ops tasks.
• Maintain documentation and runbooks; participate in after-hours on-call rotation.

Skills

Linux admin

Scripting

Automation

Education

RHCSA

ITIL Foundation

Tools

Bash

Python

Ansible

Puppet

Chef

Job description

We are looking for a Linux Systems Administrator to support the reliability, performance and lifecycle management of enterprise Linux infrastructure. The role covers day-to-day systems operations, monitoring, automation, patching and incident support within a managed services environment.

Responsibilities

• Administer Linux server environments across installation, configuration, patching, upgrades and ongoing maintenance.
• Monitor system health, capacity and performance, and troubleshoot infrastructure issues to maintain service availability.
• Maintain configuration standards and support automation of recurring administration and operational tasks.
• Apply approved patches, security updates and system hardening controls across the server environment.
• Support system baselines, configuration backups and recovery procedures to maintain operational consistency.
• Work with infrastructure, network, storage and security teams to investigate incidents and restore affected services.
• Use scripting and automation tools to improve operational efficiency, maintenance and routine system administration.
• Maintain technical documentation and runbooks, and participate in an after-hours support rotation for critical incidents.

Requirements

• At least 3 years of relevant experience in Linux system administration, infrastructure operations or a similar technical environment.
• Strong hands-on experience with Linux-based operating systems, preferably Red Hat Enterprise Linux, including troubleshooting and performance monitoring.
• Exposure to scripting and configuration-management tools such as Bash, Python, Ansible, Puppet or Chef.
• ITIL Foundation and RHCSA, or equivalent certifications, with good troubleshooting, communication and teamwork skills.

Working Hours

Monday to Friday, 8:30 AM to 6:00 PM, excluding Public Holidays.

The role includes participation in an after-hours support rotation for critical incidents.

Tyson Jay Management Pte Ltd | EA License No.: 24C2479
Ivan Lim | EA Personnel No.: R1109856