Senior Engineer, Cloud Administrator

Join DayOne – Shaping the Future of Data Infrastructure

DayOne is a global leader in the development and operation of high-performance data centers. As one of the fastest-growing companies in the industry, we’ve built a robust presence across Asia and Europe — and we’re just getting started.

As we expand into new international markets, we’re looking for talented, driven individuals to join us on this exciting journey. This is more than a job — it’s an opportunity to be a key contributor to our dynamic team and help shape the future of global data infrastructure.

If you're passionate about innovation, technology, and growth, we invite you to be part of DayOne’s next chapter.

• Administer, maintain, and monitor Microsoft 365 services including Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, and collaboration platforms.
• Troubleshoot and maintain hybrid identity and messaging architectures, including Azure AD Connect, Active Directory to Microsoft Entra ID integration, and hybrid Exchange environments.
• Configure and manage Microsoft Entra ID, Conditional Access, Single Sign-On (SSO), and Multi-Factor Authentication (MFA).
• Manage Application Registrations and Enterprise Applications in Microsoft Entra ID, including API permissions and service principals.
• Support Information Protection, Data Loss Prevention (DLP), Data Governance, and Compliance configurations in Microsoft 365.
• Manage user identities, groups, roles, and access permissions in Active Directory and Microsoft Entra ID.
• Support identity lifecycle management, including user provisioning, deprovisioning, and role-based access control (RBAC).
• Maintain technical documentation, operational procedures, and knowledge sharing for Microsoft collaboration tools.
• Develop and maintain Power Automate workflows to support IT and business process automation.

• Deploy, configure, and manage Microsoft Azure infrastructure and platform services (Compute, Storage, Networking, Security, and SaaS).
• Configure Azure resources to meet performance, security, and business requirements.
• Manage Azure subscriptions, resource groups, governance policies, and tenant configurations.
• Support hybrid cloud integration between on-premises infrastructure and Azure.
• Monitor system availability and performance using Azure Monitor and logging tools.

• Support and maintain multi-cloud environments, including Google Cloud Platform (GCP), Alibaba Cloud (AliCloud), Amazon Web Services (AWS), and DigitalOcean.

• Manage and support domain services and DNS resolution across on-premises and cloud environments.
• Manage SSL/TLS certificate operations, including configuration, renewal monitoring, and troubleshooting certificate-related technical issues.
• Ensure reliable domain routing and name resolution for enterprise applications and cloud services.

• 3–5 years of experience in cloud engineering, system administration, or IT infrastructure roles.
• Experience with hybrid identity environments (Active Directory, Azure AD Connect, Microsoft Entra ID).
• Experience supporting multi-cloud platforms (Azure, AWS, GCP, AliCloud, DigitalOcean).
• Basic to intermediate experience in PowerShell scripting and automation.
• Experience supporting Microsoft 365 and cloud-based enterprise services.

• Microsoft Azure Administrator (AZ-104)
• Microsoft 365 Fundamentals (MS-900) or Microsoft 365 Administrator certifications
• AWS / GCP certifications are an advantage

DayOne is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

If you're ready to grow with one of the fastest-moving companies in the data center industry, apply now and be part of our global journey.