Unix/Linux Systems Engineer — Automation & Reliability

RAPSYS TECHNOLOGIES PTE. LTD.

Singapore

On-site

SGD 60,000 - 95,000

Full time

3 days ago

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Job summary

RAPSYS TECHNOLOGIES PTE. LTD. in Bedok, Singapore, seeks a System Engineer - Unix/Linux to manage and optimize our Unix/Linux environment. You will ensure reliability, performance, and security while supporting infrastructure initiatives.

The ideal candidate has 3–5 years of hands-on Unix/Linux experience with RHEL/CentOS/Ubuntu, solid shell scripting, and monitoring knowledge. Collaboration and continuous learning are valued in this role.

Qualifications

3-5 years of hands-on Unix/Linux system administration experience.
Experience with RHEL/CentOS/Ubuntu in enterprise environments.
Proficiency in shell scripting (Bash/Korn) and automation.
Strong understanding of file systems, LVM, and RAID configurations.
Familiarity with monitoring and patching/vulnerability management.

Responsibilities

Administer and manage Unix/Linux servers (RHEL, CentOS, Ubuntu) including operational tasks and SLA compliance.
Ensure high availability and performance of Unix/Linux platforms for critical functions.
Troubleshoot infrastructure issues and resolve system operations problems promptly.
Monitor performance and conduct system optimization using standard tools.
Automate tasks with shell scripts; contribute to CI/CD pipelines where relevant.
Design and implement infrastructure following best practices and standards.
Document configurations, procedures, and troubleshooting steps for knowledge sharing.
Collaborate with teams to support infrastructure initiatives and testing of new tech.
Provide guidance and mentoring to junior team members as appropriate.
Identify and implement process improvements based on new technologies.