System Administrator

THATZ INTERNATIONAL PTE LTD; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Thatz International Pte Ltd is seeking a proactive System Administrator to support and maintain our IT infrastructure across on-premises and cloud environments. You will ensure availability, performance, security, and reliability of enterprise systems, including Microsoft 365 and VDI platforms, while collaborating with internal teams.

The role covers incident management, change processes, security monitoring, and continuous improvement of IT services and user experience across the organisation.

Qualifications

• Diploma or Bachelor's degree in CS/Engineering/IT or related field.
• Minimum 3 years in system administration / IT operations.
• Hands-on experience with Microsoft 365 services and collaboration tools.
• Experience with VDI platforms (VMware Horizon, Citrix, AVD).
• Knowledge of cloud platforms (Azure, AWS, GCP).
• Familiarity with ITSM tools (ServiceNow, Jira Service Management) and ITIL processes.

Responsibilities

• Administer and monitor servers, OS, cloud services, and enterprise infrastructure.
• Manage Microsoft 365 users, Teams, SharePoint, and related platforms.
• Support and maintain VDI environments (VMware Horizon, Citrix, AVD).
• Monitor health, performance, and capacity; optimize resource usage.
• Manage identities, access, and security policy adherence.

Skills

Analytical thinking

Problem solving

Communication

Stakeholder management

Education

Diploma or Bachelor Degree in CS/Engineering/IT

Tools

ServiceNow

Jira Service Management

VMware Horizon

Citrix Virtual Apps & Desktops

Azure Virtual Desktop

Job description

Join Our Team at Thatz International Pte Ltd

Are you ready to embrace the new opportunities in the ever-evolving landscape of technology? At Thatz International Pte Ltd, we are committed to identifying exceptional talents to drive the growth of our Next-Generation digital solutions and services in the new norm. If you're passionate about leveraging technology to make a difference, we want to hear from you!

Our CORE VALUES :

• Integrity
• System
• Consistency
• Forward Looking
• Humanity,and
• Environmental Friendly

System Administrator

Work Location: Central,Singapore

About the Role:

We are seeking a proactive and technically competent System Administrator to support and maintain the organization's IT infrastructure, cloud services, virtual desktop environments, and end user computing platforms. The role is responsible for ensuring the availability, performance, security, and reliability of enterprise systems across on premises and cloud environments, including Microsoft 365, VDI platforms, and core infrastructure services. Working closely with internal stakeholders and technology teams, the System Administrator will provide operational support, manage incidents and service requests, assist with security monitoring and compliance activities, and contribute to the continuous improvement of IT services and user experience across the organization.

Primary Responsibilities:

• Administer, maintain, and monitor servers, operating systems, cloud services, and enterprise infrastructure to ensure optimal performance, availability, and reliability.
• Manage and support Microsoft 365 services, including user administration, Teams, SharePoint, and related collaboration platforms.
• Administer and support virtual desktop infrastructure (VDI) environments, including VMware Horizon, Citrix Virtual Apps & Desktops, and Microsoft Azure Virtual Desktop.
• Monitor system health, performance, and capacity, and implement proactive measures to optimize infrastructure utilization and service availability.
• Manage user accounts, access permissions, and identity related services in accordance with organisational security policies and access control requirements.
• Support security operations through system monitoring, log analysis, incident investigation, and collaboration with relevant teams on security incident response activities.
• Administer and maintain IT service management processes using platforms such as ServiceNow or Jira Service Management, including incident, service request, and change management activities.
• Perform software deployment, patch management, system upgrades, backup administration, and disaster recovery support to maintain a secure and resilient environment.
• Maintain accurate documentation of system configurations, operational procedures, asset inventories, software licences, and technical standards.
• Collaborate with internal stakeholders, vendors, and technology teams to troubleshoot issues, implement infrastructure improvements, and support ongoing technology initiatives.
• Perform other related tasks as when required.

Job Requirements:

• A Diploma or Bachelor Degree in Computer Science/Engineering, Science, IT, Engineering or related field.
• Minimum 3 years of experience in system administration, infrastructure support, or a similar IT operations role.
• Hands on experience administering Microsoft 365 services, including user management, Teams, SharePoint, and related collaboration technologies.
• Experience supporting and maintaining virtual desktop infrastructure (VDI) platforms such as VMware Horizon, Citrix Virtual Apps & Desktops, and/or Microsoft Azure Virtual Desktop.
• Working knowledge of cloud platforms such as Microsoft Azure, Amazon Web Services (AWS), and/or Google Cloud Platform (GCP).
• Good understanding of IT infrastructure technologies, including servers, virtualisation, storage, networking, and enterprise systems administration.
• Familiarity with IT service management principles and tools, including ServiceNow, Jira Service Management, and ITIL based processes.
• Knowledge of cybersecurity principles, security monitoring practices, identity and access management, and security frameworks such as ISO 27001, NIST Cybersecurity Framework, and CIS Controls.
• Experience with software asset management, licence administration, patch management, operations, and system lifecycle management is advantageous.
• Strong analytical, problem solving, communication, and stakeholder management skills, with the ability to work independently and collaboratively in a fast paced environment.

Equal Opportunity Employer:

We are committed to fair employment practices and consider all applications based on merit. We encourage diversity and do not discriminate based on race, religion, gender, or any other characteristic.