Unix Administrator – VMware Specialist

1 week ago


Singapur, Singapore RAPSYS TECHNOLOGIES PTE. LTD. Full time

Overview

Role: Unix Administrator – VMware Specialist

Responsibilities
  • Install, configure, and maintain Unix/Linux servers (RHEL).
  • Manage, provision and support VMware vSphere environments, including ESXi hosts and vCenter.
  • Perform system monitoring, performance tuning, and capacity planning.
  • Implement and maintain system security, patching, and compliance in line with CIS benchmarks.
  • Troubleshoot and resolve hardware, software, and networking issues, including application-to-database connectivity problems.
  • File system and storage management, manage disk partitioning and logical volume management (LVM), including resizing and splitting mount points.
  • Automate routine tasks using shell scripting (Bash, Perl, Python) or configuration management tools.
  • Maintain backup and disaster recovery procedures for Unix and VMware systems.
  • Collaborate with application teams to support deployments, upgrades, and system migrations.
  • Document system configurations, procedures, and troubleshooting steps.
  • Participate in on-call rotation and provide after-hours support as needed.
Required Qualifications
  • Bachelor’s degree in Computer Science, Information Technology, or related field.
  • 4+ years of hands-on experience in Unix/Linux system administration.
  • 3+ years of hands-on experience with VMware vSphere, ESXi, and vCenter.
  • Strong understanding of networking concepts (TCP/IP, DNS, NFS, etc.).
  • Experience with storage systems (SAN/NAS) and backup solutions.
  • Familiarity with ITIL practices and change management processes.
Preferred Qualifications
  • VMware Certified Professional (VCP) certification.
  • Linux Administration Certification (e.g., RHCSA, RHCE, CompTIA Linux+).
Soft Skills
  • Strong analytical and problem-solving skills.
  • Excellent communication and documentation abilities.
  • Ability to work independently and in a team-oriented environment.
  • Detail-oriented with a proactive mindset.
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