24/7 System Engineer – Critical On-Prem & Incident Response

SCIENTE; Singapore; Vor Ort; SGD 65.000 - 90.000; Vollzeit

Zusammenfassung

SCIENTE in Singapore is seeking a hands-on System Engineer to lead and support 24x7 mission-critical systems in secure on-prem environments. You will deploy, troubleshoot, and recover from incidents while providing technical leadership.

The role requires strong Windows Server, AD, VMWARE and security expertise, with after-hours on-call rotations and close collaboration with vendors for root-cause analysis.

Qualifikationen

• 2 years of experience in Systems Administration, Infrastructure Support, or Mission-Critical environments.
• Hands-on experience with Windows Server, Active Directory, GPO, and Microsoft SQL Server.
• Experience with VMware, Layer 2/3 networking, and Splunk monitoring.
• Knowledge of backup/recovery, disaster recovery, patching, and cybersecurity solutions.
• Strong troubleshooting, problem-solving, and analytical skills.
• Willing to provide on-site support for critical incidents and emergency recovery, including after-hours, weekends, and public holidays.

Aufgaben

• Administer and maintain Windows servers, workstations, and Active Directory environments.
• Manage antivirus definitions, security patches, OS, software, and firmware upgrades.
• Perform SSL certificate renewal and management across all system components.
• Maintain and manage VMware virtualization infrastructure including ESXi, vCenter, vSAN, and NSX.
• Monitor and manage system logs using Splunk and Syslog tools.
• Troubleshoot system issues and coordinate with OEM vendors for root cause analysis and resolution.
• Perform monthly preventive maintenance, system health checks, and reporting.
• Support system deployment and change activities during off-peak hours.
• Manage L1-L3 incident tickets and service requests.
• Provide 24/7 Level 2 operational support based on a scheduled rotation.

Kenntnisse

Systems Administration

Windows Server

Active Directory

GPO

Microsoft SQL Server

VMware

Networking (L2/L3)

Splunk monitoring

Backup & DR

Troubleshooting

On-site support

Tools

ESXi / vCenter

NSX

vSAN

Splunk

Syslog monitoring

Backup/DR tooling

Jobbeschreibung

SCIENTE in Singapore is seeking a hands-on System Engineer to lead and support 24x7 mission-critical systems in secure on-prem environments. You will deploy, troubleshoot, and recover from incidents while providing technical leadership.

The role requires strong Windows Server, AD, VMWARE and security expertise, with after-hours on-call rotations and close collaboration with vendors for root-cause analysis.