Systems Administrator

AMERICA II ASIA PTE. LTD.; Serangoon Garden Circus; On-site; SGD 60,000 - 100,000; Full time

Job summary

A global tech firm in Singapore is searching for an experienced Systems Administrator to enhance IT operations. Responsibilities involve maintaining Windows Server and Microsoft 365 environments, managing virtualization and network infrastructure, and supporting desktops and telephony systems. The ideal candidate will have over 5 years of experience and strong knowledge of modern technologies. Join a collaborative culture with opportunities for professional development and competitive benefits.

Benefits

Professional growth opportunities

Competitive compensation and benefits

Qualifications

• 5+ years of experience in systems administration or IT infrastructure support.
• Strong knowledge of Microsoft technologies.
• Experience with virtualization platforms.
• Good understanding of networking concepts.
• Hands-on experience with backups and routine system maintenance.
• Familiarity with security principles.

Responsibilities

• Maintain and support Windows Server and Microsoft 365 environments.
• Manage virtualization platforms and storage systems.
• Oversee network infrastructure and related services.
• Provide support for desktops and telephony systems.
• Assist with infrastructure upgrades and IT projects.
• Troubleshoot issues across multiple platforms.
• Implement and maintain security best practices.
• Document procedures and maintain system records.

Skills

Windows Server

Active Directory

Microsoft 365

VMware

Hyper-V

Networking concepts

Troubleshooting

Analytical abilities

Tools

Monitoring tools

Job description

Systems Administrator – Singapore

We are looking for an experienced Systems Administrator to support our global IT operations. This role manages core infrastructure, networks, virtualization ,security, and user support for our Singapore office and international teams.

Key Responsibilities

• Maintain and support Windows Server, Active Directory, and Microsoft 365 environments.
• Manage virtualization platforms, storage systems, backups, and third-party applications.
• Oversee network infrastructure including switches, firewalls, VPN, Wi‑Fi, and related services.
• Provide support for servers, desktops, networking, and telephony systems across the organization.
• Assist with infrastructure upgrades, system enhancements, and IT projects.
• Troubleshoot issues across multiple platforms and applications.
• Implement and maintain security best practices.
• Document procedures and maintain accurate system records.

Qualifications

• 5+ years of experience in systems administration or IT infrastructure support.
• Strong knowledge of Microsoft technologies (Windows Server, AD, Microsoft 365).
• Experience with virtualization platforms (VMware, Hyper‑V, or similar).
• Good understanding of networking concepts and how to support them operationally.
• Hands‑on experience with backups, monitoring tools, and routine system maintenance.
• Familiarity with security principles for servers, networks, and user environments.
• Ability to support day‑to‑day IT operations and resolve technical issues efficiently.
• Willingness to participate in an on‑call rotation.

Soft Skills

• Strong troubleshooting and analytical abilities.
• Clear communication and documentation skills.
• Ability to manage multiple tasks in a fast‑paced environment.
• Collaborative team mindset with the ability to workindependently when needed.

Why Join Us

• Support a global IT environment with modern technologies.
• Collaborative team culture with opportunities for professional growth.
• Competitive compensation and benefits.