Operations Engineer, Server & Infrastructure

Dexian; Singapore; On-site; SGD 60,000 - 100,000; Full time

Job summary

Dexian is seeking an IT Infrastructure Engineer to operate and maintain our production server estate across multiple countries. You will manage virtualization platforms, patching, monitoring, and backup operations while supporting AD and Linux environments.

The role requires 2+ years of hands-on experience, strong troubleshooting skills, and the ability to work across time zones with on-call duties.

Qualifications

• Bachelor's degree in Computer Science, Information Technology or a relevant field.
• Minimum 2 years of relevant experience operating production server infrastructure in a similar role.
• Hands-on experience administering enterprise virtualisation platforms such as Proxmox VE, VMware vSphere and vCenter, or equivalent.
• Practical experience with patch management and infrastructure monitoring across a server estate.
• Experience administering Windows Server and supporting enterprise Active Directory environments.
• Linux administration experience, including packages, services, storage and troubleshooting.
• Scripting capability in PowerShell, Bash or Python for operational automation.
• Experience with enterprise backup platforms such as Veeam is advantageous.
• Microsoft, virtualisation or Linux certifications are advantageous.
• Comfortable supporting infrastructure across multiple countries and time zones, including scheduled out-of-hours work and on-call support.
• Strong analytical and troubleshooting skills, with ownership of issues through to resolution.
• Good interpersonal and communication skills, with the ability to work effectively with regional IT teams, users and vendors.
• Initiative, enthusiasm and willingness to learn in a fast-paced environment.
• Passion for technology and continuous improvement.

Responsibilities

• Operate and maintain corporate server infrastructure across multiple countries, including virtualisation platforms, Windows and Linux systems, and associated services.
• Plan and execute operating system, firmware and infrastructure patching, including testing, rollback planning and compliance tracking.
• Manage infrastructure monitoring and alerting to ensure effective coverage, timely response and resolution of identified issues.
• Manage backup operations and recoverability, including backup verification, scheduled restore testing and recovery checks.
• Administer virtualisation platforms, including host lifecycle, capacity management, VM provisioning, inventory management and platform migrations.
• Provide operational support for Active Directory and related identity services, including directory changes, migrations and regional cutovers led by the Engineering team.
• Investigate and resolve incidents and recurring system issues, working with internal teams and vendors where required.
• Develop and maintain scripts using PowerShell, Bash or Python to automate recurring operational tasks such as patching, provisioning, reporting and system checks.
• Maintain accurate runbooks, system documentation, operational procedures and troubleshooting guides.
• Identify and implement agreed improvements to systems, tooling and operational processes.
• Participate in scheduled out-of-hours maintenance and the team's on-call rotation.

Skills

Server administration

Virtualisation platforms

Patching & patch management

Active Directory

Linux administration

Scripting (PowerShell Bash Python)

Monitoring & backups

Incident resolution

Documentation

On-call support

Education

Bachelor's degree in Computer Science / IT

Tools

Proxmox VE

VMware vSphere/vCenter

Veeam

Job description

• Operate and maintain corporate server infrastructure across multiple countries, including virtualisation platforms, Windows and Linux systems, and associated services.
• Plan and execute operating system, firmware and infrastructure patching, including testing, rollback planning and compliance tracking.
• Manage infrastructure monitoring and alerting to ensure effective coverage, timely response and resolution of identified issues.
• Manage backup operations and recoverability, including backup verification, scheduled restore testing and recovery checks.
• Administer virtualisation platforms, including host lifecycle, capacity management, VM provisioning, inventory management and platform migrations.
• Provide operational support for Active Directory and related identity services, including directory changes, migrations and regional cutovers led by the Engineering team.
• Investigate and resolve incidents and recurring system issues, working with internal teams and vendors where required.
• Develop and maintain scripts using PowerShell, Bash or Python to automate recurring operational tasks such as patching, provisioning, reporting and system checks.
• Maintain accurate runbooks, system documentation, operational procedures and troubleshooting guides.
• Identify and implement agreed improvements to systems, tooling and operational processes.
• Participate in scheduled out-of-hours maintenance and the team's on-call rotation.

Job Requirements:

• Bachelor's degree or higher in Computer Science, Information Technology or a relevant field.
• Minimum 2 years of relevant experience operating production server infrastructure in a similar role.
• Hands-on experience administering enterprise virtualisation platforms such as Proxmox VE, VMware vSphere and vCenter, or equivalent.
• Practical experience with patch management and infrastructure monitoring across a server estate.
• Experience administering Windows Server and supporting enterprise Active Directory environments.
• Linux administration experience, including packages, services, storage and troubleshooting, is highly advantageous.
• Scripting capability in PowerShell, Bash or Python for operational automation.
• Experience with enterprise backup platforms such as Veeam is advantageous.
• Microsoft, virtualisation or Linux certifications are advantageous.
• Comfortable supporting infrastructure across multiple countries and time zones, including scheduled out-of-hours work and on-call support.
• Strong analytical and troubleshooting skills, with ownership of issues through to resolution.
• Good interpersonal and communication skills, with the ability to work effectively with regional IT teams, users and vendors.
• Initiative, enthusiasm and willingness to learn in a fast-paced environment.
• Passion for technology and continuous improvement.