Linux Systems Administrator -

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

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