Linux Administrator / Build Engineer

Nicoll Curtin; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

Nicoll Curtin is seeking a Build Engineer / Linux Administrator in Singapore to support, maintain, and improve enterprise Linux and VMware infrastructure. You will deliver server builds, platform administration, performance tuning, automation, and production support in a fast-paced environment.

Collaborate with application, database, network, and security teams; install, configure, and troubleshoot RHEL, CentOS, Oracle Linux, and Ubuntu; manage VMware vSphere, ESXi, vCenter, VMs, and clusters;

Qualifications

• Extensive Linux administration experience on enterprise infrastructure.
• Hands-on VMware virtualization management.
• Experience with automation and production support.

Responsibilities

• Install, configure, maintain, and troubleshoot RHEL, CentOS, Oracle Linux, and Ubuntu servers.
• Perform OS patching, upgrades, vulnerability remediation, hardening, backup, and recovery.
• Monitor availability, performance, and capacity; perform root-cause analysis for incidents.
• Administer users, permissions, file systems, and security policies.
• Manage VMware vSphere, ESXi, vCenter, virtual machines, and clusters.
• Handle provisioning, migrations, upgrades, snapshots, DR, HA, and storage integration.
• Build and deploy servers using documented standards and runbooks.
• Automate admin tasks with Bash, Shell, Python, or Ansible.
• Support CI/CD and infrastructure-as-code initiatives where applicable.
• Manage incidents, changes, and problems per ITSM controls.

Skills

Linux administration

VMware virtualization

Scripting & automation

Cross-team collaboration

Tools

VMware vSphere/ESXi

Linux distros: RHEL/CentOS/Ubuntu

Job description

Build Engineer / Linux Administrator

• Singapore, Onsite
• Contract: 12 months contract (renewable)
• Experience: 5–8 years

Role Summary

• Support, maintain, and improve enterprise Linux and VMware infrastructure.
• Deliver server builds, platform administration, performance tuning, automation, and production support.
• Work closely with application, database, network, and security teams in a fast-paced environment.

Key Responsibilities

• Install, configure, maintain, and troubleshoot RHEL, CentOS, Oracle Linux, and Ubuntu servers.
• Perform operating system patching, upgrades, vulnerability remediation, hardening, backup, and recovery.
• Monitor availability, performance, and capacity; complete root‑cause analysis for infrastructure incidents.
• Administer users, permissions, file systems, and security policies.
• Manage VMware vSphere, ESXi, vCenter, virtual machines, and clusters.
• Handle provisioning, migrations, upgrades, snapshots, disaster recovery, high availability, Distributed Resource Scheduler, and storage integration.
• Build and deploy servers and environments using documented standards and operational runbooks.
• Automate administration and deployment tasks with Bash, Shell, Python, or Ansible.
• Support continuous integration, continuous delivery, and infrastructure‑as‑code initiatives where applicable.
• Manage incidents, changes, and problems in line with IT service management controls.

Required Skills

• Strong Linux administration and troubleshooting experience.
• Hands-on VMware virtualization and enterprise infrastructure management.
• Practical scripting, automation, documentation, and production‑support capability.
• Clear communication and effective cross-team collaboration.