全职 Linux Engineer 工作, 薪水 up to SGD 7,500, DIGIWORLD TECHNOLOGIES PTE. LTD. Central Region (Singapore) 公司招聘中 - Ricebowl

Position Summary:
We are seeking a skilled Linux Engineer to design, implement, and support enterprise Linux-based infrastructure across data center environments. The role focuses on RHEL/Linux system administration, automation, performance tuning, and platform reliability while supporting mission-critical systems. The ideal candidate will have strong hands-on experience in Linux platforms, infrastructure automation, and enterprise operations, with the ability to operate in a fast-paced, production-critical environment.

Key Responsibilities:

• Install, Configure, Harden, Patch, and Maintain Linux systems (primarily RHEL-based distributions)
• Perform OS tuning, performance optimization, and capacity planning
• Ensure system security compliance (CIS benchmarks, patching, vulnerability remediation)
• Manage Linux systems across development, testing, and production environments
• Provide Level 3 support for Linux-related incidents and issues and support high availability and disaster recovery configurations
• Develop and maintain automation using Ansible, Bash, and Python as well as automate provisioning, patching, and configuration management workflows
• Working knowledge of BigFix for endpoint management, patch deployment, software distribution, and compliance reporting.
• Continuously improving system efficiency through infrastructure-as-code practices
• Monitor system health, logs, and performance using enterprise monitoring tools and troubleshoot system bottlenecks, kernel issues, and application dependencies
• Working knowledge of Zabbix for infrastructure monitoring, alert management, and performance monitoring.
• Support physical server infrastructure including installation and maintenance
• Coordinate with vendors and internal teams for hardware-related issues
• Maintain documentation of system configurations, procedures, and runbooks and ensure compliance with internal policies, security standards, and audit requirements

Technical Requirements:

• Degree in computer science/Information Technology 
• Minimum 5+ years of experience in IT Infrastructure Engineer role supporting critical system
• Experience in developing Infrastructure Automation using Ansible and shell scripting and working in large-scale production environments
• Strong hands-on expertise in RHEL / Linux (LVM, Networking, Kernel tuning)
• Experience with configuration management tools (Ansible preferred)
• Proficiency in shell scripting (Bash) and familiarity with Python
• Familiarity with containers (Docker/Kubernetes) is a plus
• Understanding of security hardening and compliance standards
• Red Hat certification (RHCSA/RHCE) is highly desirable
• Ability to provide 24x7 support and handle standby/on-call support whenever needed.
• Strong working knowledge of the banking environment.
• Experience with MAS TRM Guidelines and PCI-DSS security compliance requirements will be an added advantage.
• ITIL Certification is an added advantage.