Linux Engineer

6 days ago

Singapore Combuilder Pte Ltd Full time $80,000 - $120,000 per year

Overview

Seeking a Linux Infrastructure Engineer with 3–5 years of hands-on experience managing enterprise-grade Linux systems in an on-premises environment. The role focuses on ensuring stability, performance, and security across production, DR, DevOps, and staging environments while working closely with infrastructure and application teams.

Key Responsibilities
  • Install, configure, and maintain Linux servers (RHEL, CentOS, Ubuntu, SUSE) across production, DR, DevOps, and staging environments.
  • Perform system administration: patching, performance tuning, log management, and troubleshooting.
  • Manage VMware or physical server environments, ensuring availability and capacity planning.
  • Participate in lifecycle activities: upgrades, migrations, and hardware refreshes.
  • Support backup, restore, and disaster recovery (DR) operations, including periodic DR exercises.
  • Implement OS hardening, security compliance, and access controls per corporate policies.
  • Maintain monitoring, alerting, and reporting using enterprise tools (Grafana, SolarWinds, etc.).
  • Develop and maintain technical documentation, system inventories, and change records.
  • Collaborate with infrastructure teams for seamless integration and optimal performance.
  • Provide support during maintenance windows and participate in standby/on-call support for critical incidents.
Requirements
  • Diploma or Bachelor's degree in IT, Computer Science, or related field.
  • 3–5 years of solid experience in Linux infrastructure administration in enterprise environments.
  • Hands-on experience with RHEL/CentOS and VMware virtualization.
  • Strong knowledge of networking, DNS, NTP, storage, and backup concepts.
  • Familiarity with hardware platforms (Dell, HP, IBM) and firmware management.
  • Experience with 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 operational procedures.
Good to Have
  • DR site operations and failover planning experience.
  • Knowledge of containerization (Podman).
  • Exposure to backup tools (Veeam, NetBackup, CommVault, etc.).
  • Relevant certifications (RHCSA/RHCE, Linux+, VMware VCP).
Soft Skills
  • Strong analytical and troubleshooting abilities.
  • Responsible, disciplined, and able to work independently.
  • Good communication and teamwork with cross-functional coordination.
  • Proactive in identifying and implementing infrastructure improvements.

Working Location:

  • Must be okay to travel around

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