Infrastructure Engineer

Dexian Asia Pacific; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

Dexian Asia Pacific is seeking an Operations Engineer to manage and sustain our server and infrastructure landscape across multiple geographies. You will oversee virtualization platforms, AD, patch management and incident response, while building automation scripts to streamline tasks.

The role requires 2+ years in production server environments, strong scripting skills, and the ability to work across time zones with a regional IT team. 12-month contract in Singapore with 5 days onsite.

Qualifications

• Bachelor's degree or higher in Computer Science, Information Technology or a relevant field.
• Minimum 2 years of relevant experience operating production server infrastructure.
• Hands-on experience with Proxmox VE, VMware vSphere and vCenter.
• Experience with patch management and infrastructure monitoring.
• Experience administering Windows Server and Active Directory.
• Linux administration experience; scripting for automation helpful.
• Experience with backup platforms such as Veeam is advantageous.

Responsibilities

• Operate and maintain corporate server infrastructure across multiple countries.
• Plan and execute OS, firmware and infrastructure patching with testing and rollback planning.
• Manage infrastructure monitoring and alerting for timely response.
• Manage backup operations and verify recoverability and tests.
• Administer virtualization platforms, VM provisioning and migrations.
• Support Active Directory and identity services including migrations.
• Investigate incidents and coordinate with teams/vendors for resolution.
• Develop automation scripts using PowerShell, Bash or Python.
• Maintain runbooks and documentation; capture improvements to tooling and processes.
• Participate in out-of-hours maintenance and on-call rotation.

Skills

Server administration

Active Directory

Scripting (PowerShell Bash Python)

Linux administration

VMware/Proxmox

Patch management

Backup & recovery

On-call support

Education

Bachelor's degree or higher in CS/IT

Tools

Proxmox VE

VMware vSphere/vCenter

Veeam

Job description

Role Name: Operations Engineer, Server & Infrastructure

Location: Singapore (5 days onsite)

Employment Type: 12-month contract

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 virtualization 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.