Senior IT Systems Engineer: Cloud, Security & DR Lead

SYSNET SYSTEM AND SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 80,000 - 120,000; Full time

Job summary

SYSNET SYSTEM AND SOLUTIONS PTE. LTD.

is seeking a Senior System Engineer to manage, optimize, and secure our IT infrastructure, including servers, networks, cloud services, virtualization, backup, and end-user systems. You will lead business continuity, disaster recovery, and IT security initiatives while mentoring junior IT staff, collaborating with cross-functional teams to ensure reliability and performance.

Qualifications

• Experience managing Windows Server infrastructure, including Active Directory, DNS, Exchange.
• Experience with virtualization (VMware or Hyper-V) and cloud environments (Azure/AWS).
• Familiarity with Microsoft 365 / Office 365 services.
• Knowledge of IT security best practices, CIS standards, and incident management.

Responsibilities

• Design, implement, and manage Windows Server infrastructure (AD, DNS, Exchange, print servers).
• Administer Windows, Linux, VMware/Hyper-V, and cloud environments (Azure, AWS).
• Manage Microsoft 365 / Office 365 services and user support.
• Implement and maintain system backups using Veeam, Symantec, Arcserve, or equivalents.
• Conduct patch management, firmware updates, and system health checks.
• Troubleshoot firewalls, routers, VPNs, and LAN/WAN connectivity.
• Plan and maintain business continuity and disaster recovery strategies.
• Manage infrastructure applications post go-live: VCenter, WSUS, TrendMicro/Symantec, Veeam, MSSP services.

Job description

SYSNET SYSTEM AND SOLUTIONS PTE. LTD.

is seeking a Senior System Engineer to manage, optimize, and secure our IT infrastructure, including servers, networks, cloud services, virtualization, backup, and end-user systems. You will lead business continuity, disaster recovery, and IT security initiatives while mentoring junior IT staff, collaborating with cross-functional teams to ensure reliability and performance.