Senior IT Infrastructure Architect (Hybrid Cloud & Security)

NTUC Health Co; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

NTUC Health Co. is seeking a Senior Specialist, IT Infrastructure to lead the architecture and day-to-day operations of our enterprise hybrid infrastructure.

You will drive high availability, security, and performance across GCP, on-premises systems, virtualization layers, and core networking, while mentoring junior engineers and managing key vendors. Responsibilities include designing and deploying resilient infrastructure, enforcing security controls, and leading migrations and automation

Qualifications

• Bachelor's degree in Information Technology, Computer Science, or related field with 5+ years in enterprise hybrid infrastructure.
• Strong cloud, server and network design, deployment, and administration experience.
• In-depth knowledge of SD-WAN, Cisco/Juniper gear, Fortinet, Load Balancers, Cisco ISE, and wireless networks.
• DR/BCP planning, testing, and execution experience.
• Excellent analytical, troubleshooting, and cross-stakeholder communication skills.
• Familiarity with virtualization, cloud, and containerization technologies; knowledge of Nutanix/VMware.

Responsibilities

• Design, deploy, and maintain core on-premises systems and cloud environments (GCP/AWS) with high availability.
• Oversee network architecture and enforce strong security measures and access controls.
• Lead infrastructure projects, migrations, and deployments; drive IaC and containerization initiatives.
• Develop and test DR/BCP plans to minimize business disruption.
• Source, evaluate, and manage vendors; ensure SLAs and performance benchmarks.
• Escalation point for complex issues; mentor junior engineers.

Skills

Cloud architecture

On-prem infrastructure

Network engineering

IaC automation

Security controls

Vendor management

Mentoring

Disaster recovery

Wireless networks

Education

Bachelor's degree in IT/CS

Tools

Nutanix

VMware

Hypervisor

Kubernetes

Job description

NTUC Health Co. is seeking a Senior Specialist, IT Infrastructure to lead the architecture and day-to-day operations of our enterprise hybrid infrastructure.

You will drive high availability, security, and performance across GCP, on-premises systems, virtualization layers, and core networking, while mentoring junior engineers and managing key vendors. Responsibilities include designing and deploying resilient infrastructure, enforcing security controls, and leading migrations and automation