Linux Administrator

Manage and operate Linux systems with high stability, security, and performance. You will proactively monitor, optimize, and automate infrastructure to ensure continuous service availability.

99 Nguyen Thi Minh Khai, Ben Thanh Ward, Ho Chi Minh City

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Job Overview

We are looking for a Senior Linux Administrator to maintain, optimize, and secure our Linux infrastructure, ensuring continuous 24x7x365 service availability. This role requires strong expertise in automation, scripting, and system performance management.

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Job Responsibilities

  • Maintain and support Linux systems to ensure 24x7x365 uptime.
  • Implement Infrastructure-as-Code using Ansible and Terraform.
  • Automate manual tasks to improve efficiency and reliability.
  • Script with Python and Bash to support system operations.
  • Manage and troubleshoot open-source databases: Cassandra, PostgreSQL, Redis.
  • Support Docker operations and troubleshooting.
  • Oversee data center operations, monitoring, capacity planning, and optimization.
  • Participate in on-call rotations for after-hours support.
  • Follow ITIL best practices for system and service management.
  • Analyze logs and system performance exceptions.
  • Manage upgrades, patches, and deployment documentation.
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Qualifications

  • Bachelor’s degree in IT, Computer Science, or related fields.
  • Strong experience with Linux OS: RedHat, CentOS, Debian.
  • Hands-on experience with PostgreSQL, Redis, Cassandra.
  • Knowledge of VMware, SAN, networking protocols (DNS, HTTP, LDAP, SMTP, SNMP).
  • Proficient in Shell, Perl, or Python scripting.
  • Strong problem-solving and communication skills.
  • Experience working in global-scale environments.

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