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Senior System Engineer

5-7 Years
SGD 5,000 - 5,500 per month
  • Posted 6 hours ago
  • Be among the first 10 applicants

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 [Confidential Information] 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

More Info

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Job ID: 153440569

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