Systems Administrator (up to $7,000 base + AWS + PB)

Tyson Jay Management; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Tyson Jay Management Pte Ltd is seeking a Linux Systems Administrator to support the reliability, performance and lifecycle management of enterprise Linux infrastructure within a managed services environment. The role covers day-to-day operations, monitoring, automation, patching and incident support.

You will administer Linux servers (RHEL preferred), monitor performance, apply patches, write scripts, and collaborate with security, network and storage teams while participating in an after-hours

Qualifications

• 3+ years in Linux system administration or similar environment.
• Strong troubleshooting and performance monitoring on Linux (RHEL preferred).
• Experience with scripting and configuration management tools (Bash, Python, Ansible, Puppet or Chef).
• ITIL Foundation and RHCSA or equivalent certifications are desirable.

Responsibilities

• Administer Linux server environments including installation, configuration, patching and maintenance.
• Monitor health, capacity and performance; troubleshoot issues to maintain service availability.
• Maintain configuration standards and automate recurring admin tasks.
• Apply patches and security updates; enforce system hardening controls.

Skills

Linux administration

System monitoring

Scripting (Bash/Python)

Automation

Incident handling

Education

RHCSA or equivalent certification

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.

Additional Information

• 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