Overview
Our client is a leading global financial market infrastructure provider looking for a Senior Enterprise Systems Engineer to join their Singapore team. This role will own complex enterprise infrastructure initiatives across Windows Server, VMware, Azure, and Microsoft 365, acting as a senior technical escalation point with a strong focus on reliability, security, automation, disaster recovery, and compliance in a global environment.
Responsibilities
- Design, architect, and deliver enterprise infrastructure solutions across Windows Server, VMware, Azure, and Microsoft 365 platforms.
- Administer and troubleshoot core services including Active Directory, DNS, DHCP, GPO, DFS, File Services, Exchange Server, and SQL Server.
- Manage VMware vSphere, Horizon VDI, Azure Virtual Desktop, and related virtualisation platforms.
- Support Microsoft cloud and security tools including M365, Endpoint Manager, Exchange Online, Entra ID, Conditional Access, and Microsoft Defender.
- Act as a senior escalation point for complex infrastructure issues and own P1/P2 incidents, RCA, and long-term remediation.
- Automate operations using PowerShell, Graph API, SCCM, and IaC / DevOps tools such as Terraform and Azure DevOps.
- Lead backup, disaster recovery, observability, documentation, audit readiness, and SOX compliance activities.
- Mentor junior engineers and contribute to architecture reviews, roadmap planning, and continuous improvement initiatives.
- Collaborate with global infrastructure, cybersecurity, application, and business teams.
- Participate in on-call rotation and occasional weekend maintenance activities.
Requirements
- Minimum 5 years experience in enterprise infrastructure, systems engineering, or a similar role, ideally within financial services or a regulated environment.
- Strong hands-on experience with Windows Server, Active Directory, DNS, DHCP, GPO, DFS, File Services, Exchange Server, and SQL Server.
- Experience with Microsoft 365, Endpoint Manager, Exchange Online, Entra ID, Conditional Access, and Microsoft Defender tools.
- Strong exposure to VMware vSphere, Horizon VDI, Azure Virtual Desktop, and backup solutions such as Rubrik, NetBackup, or Commvault.
- Strong scripting or automation skills using PowerShell Graph API, Terraform, or Azure DevOps experience is advantageous.
- Good understanding of PKI / certificate management, infrastructure security, backup, and disaster recovery practices.
- Proven experience as a technical escalation point, SME, or project owner for complex infrastructure initiatives.
- Experience in global / follow-the-sun support environments is advantageous.
- Bachelor's degree in IT, Computer Science, Engineering, or related field preferred.
- Strong English communication skills and willingness to support on-call / maintenance schedules.
