Senior System Administrator

6 days ago

Singapore AVANCO SEARCH PRIVATE LIMITED Full time

The Senior System Administrator (SSA) is responsible for effective provisioning, operation, and maintenance of all assigned systems infrastructure within the Regional HQ Data Centre and in the affiliate office sites. This individual will conduct technical research on the latest trends and technologies to enable continuing innovation within the region. This individual ensures that system hardware and software, operating systems are strictly adhered to IT Policies and Standards.

**Responsibilities**:

- Perform proactive monitoring of Server hardware, storage, and systems. Respond to alerts and initiate corrective action.
- Maintain of VMware vSphere environment consisting of VMware ESXi server cluster and SAN Storage.
- Perform Virtual machine deployment and management. Conduct active monitoring of Virtual environment and respond to alerts and errors.
- Perform installation of new Windows Server Operating System in accordance with the specification provided. Supports and troubleshoot all issues related to Microsoft Windows Server Operating Systems.
- Perform installation of new SQL Database in accordance with the specification provided. Support and troubleshoot all issues related to Microsoft SQL Databases.
- Maintain the Regional Active Directory infrastructure spanning across different sites and domains (e.g.: Domain Controllers, Read-only Domain controllers, Group Policy Objects (GPO), DNS, DHCP, LDAP, Active directory replication, Schema, Certificate Authority).
- Maintain on-premises Exchange server in Hybrid environment. Troubleshoot and support all issues related to Exchange server.
- Maintain Azure AD Connect server. Troubleshoot and support all issues related to Azure AD Connect server.
- Manage, Plan, and execute Regional Office ICT Infrastructure upgrade and expansions.
- Plan and execute capacity planning for all ICT Infrastructure.

**Requirements**:

- Bachelor’s Degree in computer science / Information Technology (or equivalent proven knowledge with work experience)
- 4-6 years of IT experience in a technical hands-on capacity
- Strong technical exposure or professional certifications in the following: Microsoft Servers Operating Systems, Microsoft Active Directory, SQL Server Database, SAP Basis administration, SharePoint, Office365, Exchange, VMware vSphere and ESXi, HP Blades, EMC SAN, Veeam Backup, and replication

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