SalaryPeak

Senior Systems Engineer – Windows & Linux

SAGL CONSULTING PTE. LTD.
Singapore 5+ years Posted Jan 29, 2026

Salary Range

SGD 72,000 - SGD 120,000 /year

SGD 6,000 - SGD 10,000/month

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Skills Required

TroubleshootingFailover ClusteringFailoverPowerShell scriptingCluster ServerPowershellVMwareRoot Cause AnalysisScriptingInformation TechnologyRHELOperating SystemsWindowsBash/Shell/PowerShellWindows PowerShellPerformance TuningWindows O/SWmiVirtualizationLinux

Job Description

Role Summary

We are looking for an experienced OS Subject Matter Expert (L3) to provide advanced support and expertise across Windows and RHEL environments. The role involves deep-level troubleshooting, clustering support, and scripting to ensure stability, performance, and availability of critical systems.

Key Responsibilities

  • Provide L3 support for Windows and RHEL operating systems in production environments

  • Perform advanced troubleshooting, root cause analysis, and issue resolution

  • Manage and support Windows and Linux clustering environments

  • Develop and maintain scripts for automation and operational efficiency

  • Work closely with cross-functional teams to resolve complex OS-related issues

  • Support system availability, performance tuning, and patching activities

Required Skills

Windows:

  • Strong hands-on experience with Windows Server

  • PowerShell scripting

  • WMI

  • Windows Failover Clustering

RHEL:

  • Strong experience with Red Hat Enterprise Linux

  • Shell scripting (Bash)

  • Linux clustering experience

Nice to Have

  • Exposure to enterprise infrastructure or platform environments

  • Experience supporting large-scale or mission-critical systems

  • Familiarity with automation and operational best practices

Profile

  • Proven experience operating at L3 / SME level

  • Strong problem-solving and analytical skills

  • Ability to work independently in high-pressure environments

    #OSSME #L3Support #WindowsServer #RHEL #PowerShell #Linux #SystemsEngineer #Infrastructure