Unix Administrator- VMware Specialist

ENFACTUM PTE. LTD.; Singapore; On-site; SGD 70,000 - 100,000; Full time

Job summary

A leading technology solutions provider in Singapore is seeking an experienced Unix/Linux System Administrator. This role involves managing and maintaining Unix/Linux servers and VMware vSphere environments, ensuring system security, and troubleshooting issues. Candidates should have a Bachelor’s degree and over 5 years of relevant hands-on experience. Strong scripting skills in Bash, Perl, or Python are preferred.

Qualifications

• 5+ 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).

Responsibilities

• Install, configure, and maintain Unix/Linux servers (RHEL).
• Manage and support VMware vSphere environments.
• Implement and maintain system security and compliance.

Skills

Unix/Linux system administration

VMware vSphere management

Shell scripting

Troubleshooting

Education

Bachelor’s degree in Computer Science or related field

Tools

VMware vSphere

Bash

Python

Job description

Key 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.

Required Qualifications
• Bachelor’s degree in Computer Science, Information Technology, or related field.
• 5+ 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+).