Infrastructure Engineer (Azure & Hybrid Cloud)

PHAIDON INTERNATIONAL (SINGAPORE) PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

PHAIDON INTERNATIONAL (SINGAPORE) PTE. LTD. in Singapore is seeking a seasoned Infrastructure Engineer to design, implement and run hybrid Microsoft Azure and on‑prem environments.

You will manage cloud and virtualization, architect scalable solutions and oversee DR, security and cost efficiency. This role requires 5+ years in enterprise IT infrastructure with strong Azure expertise. This position is full-time and based in Singapore.

Qualifications

• Bachelor degree or diploma in Computer Science, Information Technology, Information Systems or a related discipline.
• Minimum 5 years hands-on experience in enterprise IT infrastructure engineering, systems administration, cloud infrastructure or a related technical function.
• Strong expertise in Microsoft Azure infrastructure architecture, administration and operations.
• Practical experience designing and supporting hybrid cloud and on-premises infrastructure environments.
• Solid knowledge of virtualisation technologies, server administration, enterprise storage and network infrastructure.
• Experience managing cloud services across IaaS, PaaS and SaaS environments.
• Strong understanding of infrastructure networking, including TCP/IP, DNS, routing, firewalls and secure connectivity.
• Hands-on experience with infrastructure monitoring, patch management, backup solutions and disaster recovery.
• Experience troubleshooting complex infrastructure issues and providing advanced technical support.
• Proven experience delivering infrastructure deployments, upgrades, migrations or system enhancement projects.
• Working knowledge of infrastructure security practices, including identity and access management, system hardening and vulnerability remediation.
• Ability to design and implement infrastructure solutions with a focus on reliability, scalability, performance and cost optimisation.

Responsibilities

• Design, implement and maintain hybrid infrastructure environments spanning Microsoft Azure and on-premises systems.
• Manage cloud and virtualised infrastructure, including servers, storage, networking, compute resources and connectivity.
• Architect and deploy infrastructure solutions across production, testing, development and disaster recovery environments.
• Administer and optimise Microsoft Azure services, including virtual machines, virtual networks, storage and identity-related infrastructure.
• Manage infrastructure provisioning, configuration, capacity planning, performance tuning and resource optimisation.
• Evaluate and implement IaaS, PaaS and SaaS technologies to support enterprise application requirements.
• Establish infrastructure architecture standards, configuration baselines and technical documentation.
• Review existing infrastructure environments and recommend improvements in scalability, resilience, security and cost efficiency.
• Provide advanced Level 3 technical support for complex infrastructure and cloud-related incidents.
• Troubleshoot issues involving servers, operating systems, virtualisation, networks, storage and cloud services.
• Manage system patching, upgrades, configuration changes and preventive maintenance.
• Implement and maintain backup, replication, disaster recovery and business continuity solutions.
• Monitor infrastructure availability, system health, capacity and performance using appropriate monitoring tools.
• Strengthen infrastructure security through access controls, system hardening, patch management and configuration management.
• Maintain infrastructure inventories, technical documentation, configuration records and lifecycle management processes.
• Support incident investigation, root cause analysis and permanent remediation of recurring technical issues.
• Lead the technical design and implementation of infrastructure upgrades, migrations and platform enhancements.
• Support cloud migration, infrastructure consolidation and modernisation initiatives.
• Design and deploy infrastructure environments for new applications and enterprise systems.
• Assess technical solutions for compatibility, performance, security, availability and long-term maintainability.
• Coordinate technical implementation activities with internal engineering teams and external technology providers.
• Provide technical guidance on infrastructure architecture, deployment standards and operational best practices.

Skills

Microsoft Azure expertise

Hybrid cloud experience

Infrastructure monitoring

Disaster recovery planning

Security practices (IAM, hardening)

Education

Degree or diploma in Computer Science or related

Tools

PowerShell

Terraform

VMware

Hyper-V

Azure networking

Windows Server

Active Directory

Job description

Key Responsibilities

Cloud & Infrastructure Engineering

• Design, implement and maintain hybrid infrastructure environments spanning Microsoft Azure and on-premises systems.

• Manage cloud and virtualised infrastructure, including servers, storage, networking, compute resources and connectivity.

• Architect and deploy infrastructure solutions across production, testing, development and disaster recovery environments.

• Administer and optimise Microsoft Azure services, including virtual machines, virtual networking, storage and identity-related infrastructure.

• Manage infrastructure provisioning, configuration, capacity planning, performance tuning and resource optimisation.

• Evaluate and implement IaaS, PaaS and SaaS technologies to support enterprise application requirements.

• Establish infrastructure architecture standards, configuration baselines and technical documentation.

• Review existing infrastructure environments and recommend improvements in scalability, resilience, security and cost efficiency.

Infrastructure Operations & Reliability

• Provide advanced Level 3 technical support for complex infrastructure and cloud-related incidents.

• Troubleshoot issues involving servers, operating systems, virtualisation, networks, storage and cloud services.

• Manage system patching, upgrades, configuration changes and preventive maintenance.

• Implement and maintain backup, replication, disaster recovery and business continuity solutions.

• Monitor infrastructure availability, system health, capacity and performance using appropriate monitoring tools.

• Strengthen infrastructure security through access controls, system hardening, patch management and configuration management.

• Maintain infrastructure inventories, technical documentation, configuration records and lifecycle management processes.

• Support incident investigation, root cause analysis and permanent remediation of recurring technical issues.

Infrastructure Projects & Modernisation

• Lead the technical design and implementation of infrastructure upgrades, migrations and platform enhancements.

• Support cloud migration, infrastructure consolidation and modernisation initiatives.

• Design and deploy infrastructure environments for new applications and enterprise systems.

• Assess technical solutions for compatibility, performance, security, availability and long‑term maintainability.

• Coordinate technical implementation activities with internal engineering teams and external technology providers.

• Provide technical guidance on infrastructure architecture, deployment standards and operational best practices.

Technical Requirements

• Degree or diploma in Computer Science, Information Technology, Information Systems or a related discipline.

• Minimum 5 years of hands‑on experience in enterprise IT infrastructure engineering, systems administration, cloud infrastructure or a related technical function.

• Strong expertise in Microsoft Azure infrastructure architecture, administration and operations.

• Practical experience designing and supporting hybrid cloud and on‑premises infrastructure environments.

• Solid knowledge of virtualisation technologies, server administration, enterprise storage and network infrastructure.

• Experience managing cloud services across IaaS, PaaS and SaaS environments.

• Strong understanding of infrastructure networking, including TCP/IP, DNS, routing, firewalls and secure connectivity.

• Hands‑on experience with infrastructure monitoring, patch management, backup solutions and disaster recovery.

• Experience troubleshooting complex infrastructure issues and providing advanced technical support.

• Proven experience delivering infrastructure deployments, upgrades, migrations or system enhancement projects.

• Working knowledge of infrastructure security practices, including identity and access management, system hardening and vulnerability remediation.

• Ability to design and implement infrastructure solutions with a focus on reliability, scalability, performance and cost optimisation.

Certifications

The following Microsoft certifications are highly preferred:

• Microsoft Certified: Azure Solutions Architect Expert

• Microsoft Certified: Azure Administrator Associate

Additional Technical Advantages

• Experience with Windows Server, Active Directory, Microsoft Entra ID and associated Microsoft infrastructure technologies.

• Knowledge of VMware, Hyper‑V or equivalent virtualisation platforms.

• Exposure to Azure networking, VPN connectivity, hybrid identity and cloud security configurations.

• Experience with infrastructure automation using PowerShell, Terraform or similar tools.

• Familiarity with Infrastructure as Code (IaC), configuration management and automated deployment practices.

• Understanding of high‑availability architecture, infrastructure redundancy and disaster recovery planning.

• Experience with infrastructure monitoring platforms, cloud cost optimisation and enterprise IT service management tools.