sciente international pte. ltd.
Singapore / Global
Singapore / Global
Job Summary
We are seeking an experienced system manager to lead the administration, maintenance, and enhancement of enterprise IT infrastructure.
The role is responsible for managing a team of system engineers, ensuring high system availability, overseeing infrastructure upgrades, driving operational excellence, and providing technical leadership across Windows, VMware, networking, and security environments.
Mandatory Skill-set
Degree/Diploma in Computer Science, IT, Computer Engineering, or related field
Has 6+ years of hands-on systems infrastructure experience with 3+ years leading a team of at least 3 system engineers
Strong administration of Windows Server 2019+, Windows 11, Active Directory (GPO, OU, and user administration), and Microsoft SQL Server 2019+
Hands-on experience with VMware ESXi, vCenter, vSAN, NSX, virtualization, and infrastructure upgrades
Experience in Windows patch management (WSUS), Windows CA/SSL Certificates, antivirus solutions (Symantec SEP/SEPM, Trellix ePO), and backup & recovery
Good understanding of networking (Layer 2/3, routing, IPSec VPN), security concepts (PAM, EDR, RSA), and centralized logging tools (Splunk, Syslog)
Experience managing enterprise infrastructure projects, system upgrades, and change management
Strong troubleshooting, problem-solving, and technical leadership skills with the ability to mentor engineers.
Desired Skill-set
Exposure to cloud platforms (AWS, Azure, or hybrid environments).
Responsibilities
Lead and manage a team of system engineers, providing technical guidance and operational oversight
Manage system availability, preventive maintenance, health checks, and monthly operational reporting
Plan and execute infrastructure upgrades, including servers, operating systems, VMware, network devices, and COTS platforms
Review, assess, and implement system changes, ensuring proper impact analysis, testing, and rollback planning
Troubleshoot and resolve complex infrastructure, server, virtualization, and network-related issues
Administer and maintain Windows Servers, Active Directory, Microsoft SQL Server, VMware, and security infrastructure
Oversee patch management, SSL certificate lifecycle, antivirus management, backup & recovery, and centralized logging
Ensure infrastructure security, compliance, system performance, and adherence to operational best practices.
Should you be interested in this career opportunity, please send in your updated resume to [HIDDEN TEXT] at the earliest.
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Confidentiality is assured, and only shortlisted candidates will be notified for interviews.
EA Licence No. 07C5639
Singapore / Global
Singapore / Global
Singapore / Global
Singapore / Global
Singapore / Global
Singapore / Global