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Senior System Engineer

ariston services pte. ltd. | singapore, Singapore | Posted May 29, 2026

Position Overview

Job Summary
We are seeking a highly skilled Senior SystemsEngineer to manage and support enterprise-scale infrastructure and cloudoperations in a 24/7 production environment. The role involves administration,monitoring, optimization, and migration of hybrid IT systems across Windows,Linux, VMware, Nutanix, and cloud platforms such as Microsoft Azure.
The ideal candidate will have strongexperience in systems operations, virtualization, incident management, andinfrastructure automation within large enterprise environments.
Key Responsibilities
1. Infrastructure & Systems Operations
Manage and support enterprise hybridinfrastructure (Windows/Linux/UNIX servers)
Ensure high availability and performance of24/7 production systems
Perform server administration including AD,DNS, DHCP, GPO, IIS, and system hardening
Conduct routine maintenance, patching,upgrades, and system health checks
2. Virtualization & Cloud Administration
Administer VMware vSphere/ESXi and Nu...

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