System Engineer / Linux Administrator

System Engineer / Linux Administrator

Location: Bangkok, Thailand

About the role

We are looking for a System Engineer / Linux Administrator to manage, maintain, and support our server and infrastructure environment. The successful candidate will help keep systems secure, reliable, and available while supporting projects, users, and day-to-day operations.

Key responsibilities

• Install, configure, maintain, and troubleshoot Linux servers, including Red Hat, Ubuntu, or similar distributions.
• Monitor system performance, availability, capacity, and security; investigate and resolve incidents.
• Administer user accounts, permissions, system services, storage, file systems, and scheduled jobs.
• Perform operating system patching, upgrades, backup checks, and recovery activities.
• Support server builds, infrastructure changes, deployments, and system migrations.
• Maintain system documentation, operating procedures, inventory, and incident records.
• Work with network, database, application, and security teams to resolve technical issues.
• Support virtualization or cloud environments and contribute to infrastructure improvement projects.
• Participate in on-call or after-hours support when required.

Requirements

• Bachelor's degree or diploma in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• Experience as a Linux Administrator, System Engineer, Infrastructure Engineer, or in a similar role.
• Practical knowledge of Linux administration, command-line tools, networking fundamentals, and system troubleshooting.
• Familiarity with shell scripting, such as Bash or Python, for routine administration tasks.
• Understanding of TCP/IP, DNS, DHCP, firewalls, SSH, and server security practices.
• Experience with monitoring, backup, and ticketing tools.
• Good communication and documentation skills.
• Able to work with teams and support business-critical systems.

Preferred qualifications

• Experience with Red Hat Enterprise Linux, Ubuntu, or SUSE.
• Exposure to VMware, Hyper-V, or cloud platforms such as AWS, Azure, or Google Cloud.
• Knowledge of Ansible or other configuration-management tools.
• Familiarity with containers, Kubernetes, or CI/CD practices.
• Relevant certifications, such as RHCSA, RHCE, or equivalent.

What we offer

• Competitive compensation based on experience.
• Opportunity to work on enterprise infrastructure and improvement projects.
• Professional development and certification support.
• Benefits in line with company policy.