Senior IT Infra, Data Center & HPC Systems Lead

Horizon Quantum Computing; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

Horizon Quantum Computing is seeking a Senior IT Infrastructure & Systems Support Specialist in Singapore. You will oversee Linux/Windows Server administration, NVIDIA AI compute nodes, data center health, and IAM controls while supporting end users and core SaaS apps.

Bring 5+ years of hands-on IT infra, network security, and vendor management experience. The role involves hardware procurement, backups, DR planning, and ensuring secure, reliable HPC environments.

Qualifications

• Bachelor's degree in a related field.
• 5+ years of combined system administration and IT infrastructure experience.
• Hands-on Linux/Windows Server administration and HPC environments.
• Strong network administration and IAM/AD experience.
• Vendor management, hardware procurement, and backups.

Responsibilities

• Administer Linux/Windows Server and NVIDIA AI compute nodes, including OS deployment and patching.
• Oversee data center safety, rack setup, power/cooling, and preventive maintenance.
• Manage backups, DR plans, monitoring, and storage planning.
• Maintain local network infrastructure, IAM/AD, and access controls.
• Support end-users and manage Google Workspace and core SaaS apps.

Skills

System administration

Data center operations

Network security

Vendor management

Documentation

Education

Bachelor's degree

Tools

Linux (Ubuntu)

Windows Server

NVIDIA GPU/AI compute nodes

Active Directory/LDAP

Jamf MDM

Google Workspace

VPN/Firewalls

Job description

Horizon Quantum Computing is seeking a Senior IT Infrastructure & Systems Support Specialist in Singapore. You will oversee Linux/Windows Server administration, NVIDIA AI compute nodes, data center health, and IAM controls while supporting end users and core SaaS apps.

Bring 5+ years of hands-on IT infra, network security, and vendor management experience. The role involves hardware procurement, backups, DR planning, and ensuring secure, reliable HPC environments.