System Engineer

SCIENTE
Singapore, Singapore
Salary not specified
Posted
Contract
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Job Description

Job Summary We are looking for a hands-on Senior System Engineer to lead and support 24x7 mission-critical systems in secure on-premises environments. The role requires strong technical expertise and operational leadership, with hands-on involvement in deployments, critical incidents, and emergency recovery activities. Mandatory Skill-set - Must have 5 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; - Experience supporting 24x7 on-premises systems; - 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. Desired Skill-set - Experience in air-gapped, secure, or regulated environments is preferred. Responsibilities - 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. Should you be interested in this career opportunity, please send in your updated resume to apply@sciente.com at the earliest. When you apply, you voluntarily consent to the disclosure, collection and use of your personal data for employment/recruitment and related purposes in accordance with the SCIENTE Group Privacy Policy, a copy of which is published at SCIENTE’s website (https://www.sciente.com/privacy-policy). Confidentiality is assured, and only shortlisted candidates will be notified for interviews. EA Licence No. 07C5639

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