Senior IT Infra & Systems Support for HPC/AI Data Center

Horizon Quantum Computing; Singapore; On-site; SGD 110,000 - 140,000; Full time

Job summary

Horizon Quantum Computing in Singapore seeks a Senior IT Infrastructure & Systems Support Specialist to join the on-site team. The role focuses on managing data center and AI infrastructure, ensuring secure, scalable systems for developers and end-users, with hands-on administration of Linux, Windows, and NVIDIA compute environments.

You will oversee networking, IAM/AD, backups, disaster recovery, and office IT services, including Google Workspace and MDM (Jamf) across multiple platforms.

Qualifications

• Bachelor’s degree in Computer Engineering, Information Systems, Technology, or a related field.
• 5+ years of combined experience in system administration, IT infrastructure management, data center operations, and user support.
• Hands-on system administration across Linux (Ubuntu) and Windows Server.
• Strong expertise in network administration, VPN, Wi‑Fi, firewalls, and access control.
• Proven track record in vendor management, hardware procurement, backups, and servicing schedules.

Responsibilities

• Data Center & AI Infrastructure: administer, configure, and maintain Linux, Windows Server, and NVIDIA GPU/AI compute nodes.
• Oversee data center physical safety, rack setup, power/cooling, cabling, and preventative servicing.
• System administration for backups, disaster recovery, server health monitoring, and storage capacity planning.
• Networking & Security: manage local network infrastructure, firewalls, VPN, Wi‑Fi, subnets, and security protocols.
• IAM/AD: manage access controls, Active Directory/LDAP, and least-privilege principles.
• Office IT & User Support: serve as primary sysadmin for infrastructure users, developers, and staff; manage Google Workspace and core SaaS provisioning.
• MDM management (Jamf) to deploy and secure endpoints; maintain office IT equipment and Zoom Room setups.
• Coordinate IT logistics for presentations, events, and onboarding.

Skills

Linux

Windows Server

NVIDIA HPC

Network administration

IAM/AD

Vendor management

Education

Bachelor's degree

Tools

Jamf

Google Workspace

VMware

Active Directory/LDAP

Job description

Horizon Quantum Computing in Singapore seeks a Senior IT Infrastructure & Systems Support Specialist to join the on-site team. The role focuses on managing data center and AI infrastructure, ensuring secure, scalable systems for developers and end-users, with hands-on administration of Linux, Windows, and NVIDIA compute environments.

You will oversee networking, IAM/AD, backups, disaster recovery, and office IT services, including Google Workspace and MDM (Jamf) across multiple platforms.