Senior System Administrator (Linux/Windows/Nutanix)

Systems Administrator - Linux, Windows & Nutanix

Important Information

Location: Singapore

12 months contract

Job Summary

We are looking for a hands-on Systems Administrator to manage and support enterprise Linux and Windows server environments and Nutanix hyper-converged infrastructure.

Job Description

The ideal candidate will ensure high availability, performance, and security of servers and virtualization platforms while driving automation and operational efficiency. This role requires strong troubleshooting skills and the ability to support infrastructure across RHEL/Ubuntu/CentOS, Windows Server, and Nutanix AHV/Prism environments.

Skills:

Linux Administration

• Install, configure, and maintain Linux servers such as RHEL, Ubuntu, or CentOS.
• Perform user, group, permission, filesystem, and package management.
• Manage services, processes, logs, cron jobs, and system performance.
• Troubleshoot Linux OS issues including CPU, memory, disk, network, and boot problems.
• Perform patching, hardening, backup, recovery, and vulnerability remediation.
• Support shell scripting for automation and operational tasks.

• Install, configure, and maintain Windows Server environments.
• Manage Active Directory, DNS, DHCP, Group Policy, file services, and server roles.
• Perform Windows patching, hardening, monitoring, and troubleshooting.
• Support user access, server security, certificates, and permissions.
• Troubleshoot Windows performance, event logs, services, and connectivity issues.

• Support and administer Nutanix AHV / Prism Central / Prism Element.
• Manage virtual machines, clusters, storage, snapshots, and resource allocation.
• Monitor Nutanix cluster health, capacity, alerts, and performance.
• Support VM provisioning, migration, backup, recovery, and lifecycle operations.
• Assist with Nutanix upgrades, patching, and hardware-related coordination.

Encora is a global company that offers Software and Digital Engineering solutions. Our practices include Cloud Services, Product Engineering & Application Modernization, Data & Analytics, Digital Experience & Design Services, DevSecOps, Cybersecurity, Quality Engineering, AI & LLM Engineering, among others.

At Encora, we hire professionals based solely on their skills and do not discriminate based on age, disability, religion, gender, sexual orientation, socioeconomic status, or nationality.