Senior Systems Engineer (Wintel, Cloud)
7000 - 13000 SGDTangspac Consulting
A Financial institution is seeking a skilled and proactive Windows and Cloud Systems Administrator to join their infrastructure team. In this role, you will be responsible for the design, deployment, hardening, and ongoing support of mission-critical Windows-based systems across physical and virtual environments. You will work closely with application, security, and network teams to ensure high availability, performance, and security compliance for enterprise banking and payment platforms.
Key Responsibilities
Design, configure, and maintain Microsoft Windows Server 2016/2019/2022 and Cloud environments in a highly available, regulated setting
Manage and optimize VMware virtualization infrastructure, including ESXi hosts, vCenter, and virtual machine lifecycle
Administer core directory and authentication services including Active Directory, Kerberos, DNS, and Group Policy
Automate routine tasks, deployment, configuration, infrastructure-as-code (IaC), and system monitoring using PowerShell (or Python/C#)
Troubleshoot complex operating system and application issues, performing root cause analysis and implementing permanent fixes
Monitor hardware health and perform performance tuning across physical servers and virtual machines
Partner with security teams to apply patches, remediate vulnerabilities, and ensure compliance with internal policies and regulatory standards
Provide clear and timely communication to stakeholders, maintaining a high degree of customer service for all technical queries and incident escalations
Required Qualifications & Experience
5+ years of hands-on experience as a Windows Systems Engineer or similar infrastructure role
Advanced working knowledge of Microsoft Windows Server 2016/2019/2022 and Cloud
Strong proficiency in PowerShell for automation (scripting, deployment, monitoring, IaC)
Solid understanding of Active Directory, DNS, and Group Policy management
Proven experience with VMware (vSphere, ESXi, vCenter) in production environments
Demonstrated ability to troubleshoot OS crashes, performance bottlenecks, application compatibility issues, and hardware failures
Experience with hardware monitoring tools and performance tuning in both physical and virtualized environments
Strong analytical and problem-solving skills, with the ability to work calmly under pressure in fast-paced production environments
Excellent verbal and written communication skills, with a strong customer service orientation
Interested candidates please email your resume to View email address on mycareersfuture.gov.sg
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