System Administrator - Assistant Manager

System Administrator is responsible for configuring and administering including backup the infrastructure relate system such as Microsoft product (Active Directory, Windows Server, Exchange), vSphere VMWare product (vCenter, VMWare Infrastructure), Network Security. Able to troubleshoot such the systems and network security monitor to proactively mitigate the risk found.

Key Responsibility:

• Manage and administrator Active Directory Services, DHCP, DNS server and Exchange Online to meet the high availability.
• Manage VMware and Storage system to serve all business system requirements and meet the system high availability.
• Manage Backup system to backup all data and ready to restore for all requests.
• Maintain and monitor servers/services to ensure proper functionality and uptime.
• Prepare and build new servers and configure services and provide technical, functional in supporting project implementation.
• Troubleshooting the Data Center system error such the Windows Server, Mail Server and Backup Server.
• System Management, Process Control align with security policy and outsource operation management
• Identify problematic and implement strategic solutions in time
• Manage Network Security Device Firewall, Network Switch and WiFi to serve all business system requirements and meet the system high availability.

Qualifications:

• Bachelor's degree or higher in Engineering, Computer Science, Information Technology, or a related field.
• Minimum 3 years of experience as an IT Administrator, System Administrator, or in a related role.
• Proven experience in administering and maintaining Microsoft 365, Microsoft Azure, and Microsoft Entra ID (formerly Azure Active Directory).
• Strong knowledge of Microsoft Exchange (Exchange Online and/or Exchange Server), SharePoint, Microsoft Teams, OneDrive, and Microsoft Intune.
• Hands-on experience in administering and maintaining Windows Server, VMware, Active Directory, Backup Systems, and enterprise IT infrastructure.
• Good understanding of cloud security best practices, IT governance, compliance standards, and information security frameworks such as ISO 27001.
• Knowledge of Network Security, Firewall configuration, IT Data Security, and IT System Services.
• Experience working with both Windows Server and Linux environments.
• Strong understanding of networking concepts, system integration, and troubleshooting methodologies.
• Excellent analytical, problem-solving, and troubleshooting skills.
• Strong communication and interpersonal skills with the ability to communicate effectively in English, both written and verbal.