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Linux Administrator

Job description

Job Responsibilities

  • Administer, maintain, and support RHEL-based infrastructure in production environments.

  • Perform system monitoring, performance optimization, and troubleshooting of Linux systems.

  • Manage disaster recovery planning, security hardening, and compliance with regulatory standards.

  • Execute system changes, releases, and updates while ensuring documentation accuracy.

  • Provide 2nd and 3rd level technical support and respond to incidents and vulnerabilities.

  • Collaborate with cross-functional teams to enhance infrastructure processes and architecture.

  • Participate in on-call support and handle urgent production issues, including after-hours.

  • Assist with server deployments, migrations, patch management, and automation tasks.

  • Work closely with internal customers, providing consulting and support for related services.

  • Ensure stable operations of middleware components, security tools, and monitoring systems.

Job Requirements

  • Education & Experience:

    • University degree or equivalent professional experience in IT.

    • 5+ years of Linux system administration experience, preferably in enterprise environments.

  • Technical Skills:

    • Strong Red Hat Enterprise Linux (RHEL) skills; RHCA-level knowledge preferred.

    • Experience with virtualization (VMware) and cloud platforms (Azure, GCP, Google BMS).

    • Proficient in automation tools like Ansible, Puppet, SALT, and scripting (Python, Shell).

    • Familiarity with CI/CD tools (Jenkins, TeamCity), Git, and vendor APIs (Red Hat, Azure, GCP).

    • Basic OpenShift administration and middleware (e.g., Tivoli, Nessus, Backup tools).

    • Strong knowledge of IT security tools and practices (SIEM, PAM, patching, MS Defender).

    • Experience with server migration, OS monitoring, and automation scripting.

  • Soft Skills:

    • Agile and collaborative mindset with excellent communication skills.

    • Able to work autonomously across multiple teams or clusters.

    • High adaptability, accountability, and continuous improvement mindset.

If this job isn't quite right for you, but you know someone who would be great at this role, why not take advantage of our referral scheme? We offer MYR500 in shopping vouchers for every referred candidate who we place in a role. Terms & Conditions Apply. https://www.ambition.com.my/refer-a-friend