Linux System Engineer

4 days ago

Ang Mo Kio Town Centre, Singapore Maestro Human Resource Pte Ltd Full time $80,000 - $120,000 per year

We are looking for a Linux Infrastructure Engineer with 3 to 5 years of hands-on experience managing and supporting enterprise-grade Linux systems in an on-premises environment. The successful candidate will be responsible for ensuring the stability, performance, and security of Linux-based infrastructure across production, DR, Dev Ops and stagging environments.

This role involves close collaboration with infrastructure and application teams to maintain a reliable and secure IT infrastructure foundation.


Key Responsibilities

  • Install, configure, and maintain Linux servers (RHEL, CentOS, Ubuntu, or SUSE) across production, DR, Dev Ops and Stagging environments.
  • Perform system administration tasks, including patching, performance tuning, log management, and troubleshooting.
  • Manage VMware or physical server environments, ensuring system availability and capacity planning.
  • Participate in infrastructure lifecycle management, including system upgrades, migrations, and hardware refreshes.
  • Support backup, restore, and disaster recovery (DR) operations and periodic DR exercises.
  • Implement OS hardening, security compliance, and access control based on corporate policies.
  • Maintain monitoring, alerting, and reporting for system performance and uptime using enterprise tools (e.g., Grafana, Solarwinds).
  • Create and maintain technical documentation, system inventories, and change records.
  • Collaborate with Infrastructure teams to ensure seamless integration and optimal infrastructure performance.
  • Provide support during scheduled maintenance windows and participate in standby support for critical infrastructure incidents.

Requirements

  • Diploma or Bachelor's degree in Information Technology, Computer Science, or related discipline.
  • 3–5 years of solid experience in Linux infrastructure administration in enterprise environments.
  • Hands-on experience with RHEL/CentOS and VMware virtualization.
  • Strong understanding of infrastructure components — networking, DNS, NTP, storage, and backup.
  • Familiarity with hardware platforms (Dell, HP, IBM) and firmware management.
  • Experience with system patching and configuration management tools (YUM, DNF, Ansible, Puppet).
  • Good understanding of monitoring and alerting systems.
  • Knowledge of shell scripting or automation (Bash, Python).
  • Familiarity with change management and ITIL-based operational procedures.

Good to Have

  • Experience with DR site operations and failover planning.
  • Knowledge of containerization (Podman).
  • Exposure to backup and restore tools (Veeam, NetBackup, CommVault etc).
  • Relevant certifications such as RHCSA/RHCE, Linux+, or VMware VCP.

Soft Skills

  • Strong analytical and troubleshooting skills.
  • Responsible, disciplined, and able to work independently under minimal supervision.
  • Good communication and teamwork, able to coordinate with cross-functional teams.
  • Proactive in identifying and implementing infrastructure improvements.

5 day week @ AMK area (Neeed to travel to site (either Changi Prison/ Harbourfront area)

(Rotating Standby)

Maestro HR

damien lee tian hong

R1106726

16C8462

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