Full Time Principal Enterprise Systems Engineer – M365 - VMware Jobs, in Ambition - Maukerja

The Opportunity

We are looking for a Senior Enterprise Systems Engineer to join a global technology infrastructure team. This is a senior hands-on role covering both Microsoft 365/cloud and traditional on-premises infrastructure.

The ideal candidate will have strong experience across M365, Azure/Entra ID, Windows Server, Active Directory and VMware, and be comfortable operating as an L3/L4 escalation point and technical SME.

Key Responsibilities

• Design, implement and support enterprise infrastructure across Windows Server, VMware, Azure and Microsoft 365.
• Manage and troubleshoot Active Directory, DNS, DHCP, GPO, DFS, File Services and Exchange.
• Manage Microsoft 365, Entra ID, Exchange Online, Defender and Conditional Access.
• Manage VMware vSphere, Horizon VDI and Azure Virtual Desktop environments.
• Lead resolution of complex P1/P2 incidents, root-cause analysis and permanent remediation.
• Automate infrastructure operations using PowerShell, Microsoft Graph API and SCCM.
• Support Terraform, Azure DevOps and Infrastructure-as-Code initiatives.
• Manage PKI/certificates, security hardening, backup and disaster recovery.
• Act as a technical SME, mentor engineers and contribute to infrastructure architecture and roadmap discussions

Key Skills & Experience

• At least 5 years of enterprise infrastructure experience, preferably within financial services or a regulated environment.
• Strong hands-on experience across both M365 and on-premises infrastructure.
• Strong knowledge of Microsoft 365, Entra ID, Exchange Online, Defender and Conditional Access.
• Strong Windows Server and Active Directory experience.
• Hands-on VMware vSphere/Horizon experience; Azure Virtual Desktop is advantageous.
• Experience with PowerShell, Microsoft Graph API and SCCM.
• Exposure to Terraform, Azure DevOps, PKI, backup and DR.
• Strong troubleshooting and problem-solving skills.
• Experience working with global/follow-the-sun teams is preferred.
• Excellent English communication skills.

What We're Looking For

We are looking for a well-rounded enterprise infrastructure specialist with strong hands-on experience across:

Microsoft 365 + Azure/Entra ID + Windows Server/Active Directory + VMware

The successful candidate should be capable of handling complex infrastructure issues, contributing to architecture and design decisions, and acting as a trusted technical SME.

Work Schedule & On-Call

• Monday–Friday, aligned with global/follow-the-sun support requirements.
• Working hours may occasionally start as early as 7:00 AM SGT.
• Participation in a 24x7 on-call rotation.
• Occasional weekend maintenance and infrastructure testing may be required.