Senior Infrastructure Architect – Hybrid Cloud & DR

NTUC Health Co-operative Limited; Singapore; On-site; SGD 150,000 - 190,000; Full time

Job summary

NTUC Health Co-operative Limited seeks a Senior Specialist, IT Infrastructure to lead architecture, deployment, and day-to-day operations of the enterprise hybrid infrastructure. You will drive high availability, security, and performance across Google Cloud Platform and on-premises systems, mentoring junior engineers and coordinating with vendors.

You will oversee SD-WAN, Cisco/Juniper, Fortinet, load balancers, ISE, and wireless networks while driving automation, IaC, and containerization to

Qualifications

• Bachelor's degree in Information Technology, Computer Science, or related field.
• 5+ years of hands-on experience in enterprise hybrid infrastructure management.
• Proven strong experience in cloud, server and network infrastructure design, deployment, and administration.
• In-depth knowledge of SD-WAN, Cisco/Juniper switches/routers, Fortinet Firewalls, Load Balancers/Link Controllers, Cisco ISE, and enterprise wireless networks.
• Solid track record in planning, implementing, and simulating DR/BCP frameworks.
• Strong analytical and troubleshooting skills, with the ability to handle high-pressure incident escalations and communicate effectively across stakeholders.
• Familiarity with virtualization, cloud computing, and containerization technologies.

Responsibilities

• Design, deploy, and maintain core on-premises systems and cloud environments (GCP/AWS) ensuring high availability and scalability.
• Oversee network architecture (SD-WAN, Cisco/Juniper, Fortinet, Load Balancers, Cisco ISE, Wireless) with robust security measures.
• Lead infrastructure projects, migrations, upgrades, and system deployments; drive IaC and automation to improve agility.
• Develop, test, and execute Disaster Recovery (DR) and Business Continuity Plans (BCP).
• Source and evaluate fit-for-purpose solutions; manage vendors and service providers to meet SLAs.
• Serve as escalation point for complex issues and mentor junior engineers.

Skills

Cloud design

Network architecture

Disaster recovery

IaC automation

Kubernetes

Hypervisor virtualization

Python scripting

Vendor management

Education

Bachelor's degree in Information Technology, Computer Science, or related field

Tools

Terraform

Ansible

PowerShell

Bash

Nutanix

VMware

Kubernetes

Job description

NTUC Health Co-operative Limited seeks a Senior Specialist, IT Infrastructure to lead architecture, deployment, and day-to-day operations of the enterprise hybrid infrastructure. You will drive high availability, security, and performance across Google Cloud Platform and on-premises systems, mentoring junior engineers and coordinating with vendors.

You will oversee SD-WAN, Cisco/Juniper, Fortinet, load balancers, ISE, and wireless networks while driving automation, IaC, and containerization to