Linux System Administrator

1 week ago


Central Region, Singapore Alphaeus Pte Ltd Full time $80,000 - $120,000 per year

System Engineer is a professional responsible for managing and maintaining the Windows-based infrastructure and associated technologies within an organization. Their primary role is to ensure the stability, security, and performance of Windows-based systems and applications.

Responsibilities:

  • Administer Red Hat Enterprise Linux: installation, patching, upgrades, services (HTTP, NFS, LDAP, cron, etc.)
  • Automate baseline installs and updates; manage services at boot-level, networking, users/groups, disk volumes (LVM, dm‑multipath), SELinux/PAM
  • Monitor, tune, backup, and proactively fix performance issues
  • Create and run Shell/perl/awk scripts for automation and troubleshooting
  • Collaborate with peer teams and infrastructure stakeholders across business units
  • Provide level‑3 support for major incidents, and participate in rollout of new services

Requirements:

  • At least 5years of working experience in administering Linuxsystems.
  • Min Diploma in Computer Science, Computing, Engineering, IT or equivalent.
  • Level 3 certified ontology: RHCSA minimum; RHCE preferred


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