IT System Administrator ( Manufacturing/ID :#712082 )
About the role
This is an Infrastructure Operations role responsible for operating and maintaining Windows Server services, VMware environments, network connectivity, cloud services, and data protection across a factory environment. You will provide second and third line support for complex infrastructure incidents, coordinate vendor and internal teams, and contribute to infrastructure projects and continuous improvement initiatives.
Key responsibilities
Operate and maintain Windows Server services, including Active Directory Domain Services, DNS, DHCP, Group Policy, file services, and related administration tools
Manage VMware environments, including ESXi and vCenter, and support virtual machine provisioning, resource allocation, performance tuning, and capacity planning
Monitor system health and availability; investigate alerts, performance degradation, and recurring faults before they affect business operations
Plan and execute routine maintenance, security patching, configuration updates, and infrastructure upgrades with appropriate testing and rollback preparation
Administer switches, firewalls, site connectivity, and VPN services to provide dependable and controlled access across the factory environment
Provision, configure, monitor, and optimize Microsoft Azure resources, including virtual machines, virtual networks, VPN connectivity, storage, and supporting cloud services
Administer Microsoft Entra ID and help maintain secure identity and access practices across cloud and hybrid environments
Operate backup services for servers, virtual machines, cloud workloads, and critical data in line with defined retention and recovery requirements
Provide second and third line support for complex infrastructure incidents and communicate status, impact, and next actions clearly to users and stakeholders
Create and maintain system documentation, standard operating procedures, recovery instructions, asset records, and troubleshooting guides
About you
Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline; equivalent relevant experience will also be considered
At least 3 to 5 years of hands-on experience in IT infrastructure, systems administration, or a comparable ICT role
Practical experience administering Microsoft Azure infrastructure, networking, identity, and cloud services
Strong working knowledge of Windows Server, Active Directory, DNS, DHCP, Group Policy, and enterprise network technologies
Hands-on experience with VMware ESXi and vCenter, together with experience supporting switches, firewalls, and VPN connectivity
Demonstrated ability to diagnose complex technical problems, prioritize incidents, and drive issues through to resolution
Infrastructure experience within manufacturing will be an advantage
Fluent in Thai and Business English