Linux System Engineer (1-year renewable) #IAC

Recruit Express Pte Ltd; Singapore; On-site; SGD 50,000 - 80,000; Full time

Job summary

Recruit Express Pte Ltd is seeking an IT Operations Specialist to join our enterprise environment in Singapore. You will manage Windows and Linux server infrastructure, handle patching, health checks, incident and change management, and collaborate with vendors to ensure system stability.

The role requires hands-on experience with virtualization (vSphere/ESXi), AD/domain controllers, and a proactive approach to monitoring, reporting, and deployments to keep critical services running smoothly.

Qualifications

• At least 2 years of experience operating in an Enterprise environment and processes.
• Plan, deploy, manage and monitor systems and infrastructure of Windows server, Wintel, and Linux environment.
• Proven working experience in deploying, managing and troubleshooting Windows, File servers, domain controllers systems, and Linux.
• Familiar with IT change management processes.
• Experience with enterprise systems and environments.

Responsibilities

• Be on standby for urgent matters and perform hands-on troubleshooting as required.
• Experience in IT operations, incident management and change management is preferred.
• Plan and perform patching following best practices.
• Daily operational tasks of system administration (health checks, pre- and post-patch checks, troubleshooting).
• Deploy and configure server/VM builds to support deployments of applications.
• Maintain and operate Windows AD and domain controllers.
• Plan, manage, execute and close change requests and deployments.
• Experience using vSphere, ESXi and vCenter to manage, deploy, configure and patch will be advantageous.
• Liaise with vendors for troubleshooting and resolution.
• Perform migrations/installations/upgrades of Windows OS and installed apps.
• Assess server environments and recommend changes to improve performance and stability.
• Any other ad-hoc duties as assigned by supervisor

Skills

Windows Server

Active Directory

Patching

IT Operations

Incident Management

Change Management

VMware vSphere

Linux

Troubleshooting

Education

Diploma in Information Technology

Nitec / Higher Nitec

Tools

VMware vSphere

ESXi

vCenter

Job description

Job Responsibilities

• Be on standby for urgent matters and perform hands‑on troubleshooting as required.
• Experience in IT operations, incident management and change management is preferred.
• Plan and perform patching following best practices (Build, test, snapshot, pilot, release, monitor, rollback).
• Daily operational tasks of system administration (health checks, pre and post‑patch checks, troubleshooting, diagnostic).
• Deploy and configure server/VM builds to support the deployment of applications.
• Maintain and operate complex Windows AD and domain controllers.
• Plan, manage, execute and close change requests and deployments.
• Experienced using vSphere, ESXi and vCenter to manage, deploy, configure and patch will be advantageous for the candidate.
• Liaise with various vendors or personnel for troubleshooting and resolution
• Perform migrations / installations / upgrades of Windows operating systems and installed applications.
• Perform an assessment of server environments and recommend changes to improve system performance and overall stability.
• Any other ad‑hoc duties as assigned by supervisor

Requirements

• At least 2 years of experience operating in an Enterprise environment and processes.
• Plan, deploy, manage and monitor systems and infrastructure of Windows server, Wintel, and Linux environment.
• Proven working experience in deploying, managing and troubleshooting Windows, File servers, domain controllers systems, and Linux.
• Familiar with the process of IT change management.
• Proven experience in working with enterprise systems and environments.
• Nitec, Higher Nitec or Diploma in Information Technology or a related field.
• Experience in patch management with dependencies planning.
• Experience with virtualization and containerization (vSphere is preferred).
• Familiar with the process of monitoring systems and generating utilization and alerts reports.

CEI Reg No: R1989053

EA Licence No: 99C4599