Unix/Linux Administrator- Ansible, Puppet, Chef,containerization,Cloud

Role: System Engineer - Unix/Linux

Work Location: Bedok

Job Description

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.

- 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)