System Engineer - Unix/Linux

RAPSYS TECHNOLOGIES PTE. LTD.; Singapore; Vor Ort; SGD 60.000 - 95.000; Vollzeit

Zusammenfassung

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.

Qualifikationen

• 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.

Aufgaben

• 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.

Kenntnisse

Unix/Linux admin

Shell scripting

Monitoring tools

Networking basics

Troubleshooting

Documentation

Communication

Mentoring

Ausbildung

Bachelor's degree in CS/IT

Tools

Nagios

Zabbix

Git

Ansible

Docker

Kubernetes

Jobbeschreibung

Role: System Engineer - Unix/Linux

Work Location: Bedok

We're looking for a detail-oriented and collaborative Engineer, Unix/Linux System to join our growing infrastructure team in Singapore. In this role, you'll take ownership of managing, maintaining, and supporting our Unix/Linux systems while ensuring optimal performance, reliability, and security. You'll work alongside experienced professionals in a supportive environment where innovation and continuous improvement are valued. The ideal candidate will be analytical, organized, and resilient-ready to tackle complex technical challenges while contributing to our organization's infrastructure goals.

Job Description

• Administer and manage Unix/Linux servers (RHEL, CentOS, Ubuntu) including operational tasks, backup procedures, and SLA compliance
• Ensure high availability and performance of Unix/Linux platforms supporting critical business functions
• Troubleshoot and resolve infrastructure issues impacting system operations in a timely and efficient manner
• Perform system monitoring, performance analysis, and optimization using industry-standard tools
• Execute patching, updates, and vulnerability management to maintain system security and stability
• Develop and maintain shell scripts (Bash, Korn) to automate routine tasks and improve operational efficiency
• Design and implement infrastructure solutions following best practices and organizational standards
• Document system configurations, procedures, and troubleshooting processes for knowledge sharing
• Collaborate with team members, stakeholders, and project management to support infrastructure initiatives
• Participate in testing and implementation of new technologies and services
• Provide technical support and mentoring to junior team members as appropriate
• Suggest process improvements based on emerging technologies, best practices, and changing business requirements
• Support disaster recovery planning and exercises to ensure business continuity

Qualifications

Required Qualifications

• 3-5 years of hands-on experience in Unix/Linux system administration
• Strong knowledge of Linux distributions (RHEL, CentOS, Ubuntu)
• Proficiency in shell scripting (Bash, Korn shell)
• Solid understanding of file systems, LVM, and RAID configurations
• Experience with system monitoring and alerting tools (Nagios, Zabbix, or similar)
• Working knowledge of networking concepts (TCP/IP, DNS, NFS, SSH)
• Experience with patching and vulnerability management processes
• Strong troubleshooting and problem-solving skills
• Bachelor's degree in computer science, information technology, or related field
• Excellent communication and interpersonal skills
• Ability to work effectively under pressure and meet deadlines

Preferred Qualifications

• Experience with infrastructure automation tools (Ansible, Puppet, or Chef)
• Familiarity with containerization technologies (Docker, Kubernetes basics)
• Cloud platform experience (AWS, Azure, or GCP)
• Knowledge of version control systems (Git)
• Experience with performance tuning and system optimization
• Proactive, detail-oriented mindset with a commitment to continuous learning
• Relevant Unix/Linux certifications (RHCSA, LPIC, or equivalent)