Senior Microsoft Cloud Infrastructure Engineer

Crusoe•San Francisco, CA

7d•$160,000 - $195,000

About The Position

Crusoe is seeking a Senior Cloud Infrastructure Engineer to own the design, implementation, and lifecycle management of Crusoe’s enterprise cloud infrastructure across corporate and operational environments. This is a high-ownership, hands-on engineering role spanning Microsoft 365, Entra ID, Azure, and Azure Arc-enabled hybrid management. The role sits at the intersection of IT, Security, and site-specific operations to keep systems reliable, secure, and ready to scale with Crusoe’s rapidly expanding footprint of offices, warehouses, and data centers.

Requirements

8+ years of hands-on infrastructure experience, with 5+ years focused on Microsoft Azure and M365 administration in enterprise environments
Deep Microsoft 365 tenant administration, including Exchange Online, SharePoint Online, Teams, OneDrive, and Entra ID (Azure AD)
Strong Azure infrastructure skills: VMs, VNets, NSGs, storage, ExpressRoute/VPN, and Identity and Access Management
Hands-on Azure Arc experience for hybrid server management and policy enforcement
Solid Windows Server administration: Active Directory, DNS/DHCP, Group Policy, certificate services, and file/print services
Infrastructure-as-code proficiency (Terraform, Bicep, or ARM) with version-controlled practices; PowerShell or Azure CLI scripting for automation
Ability to perform hands-on physical server work (racking, cabling, and firmware updates) in a data center environment
Strong troubleshooting, documentation, and cross-functional communication skills; bachelor’s degree in IT, Computer Science, or equivalent practical experience

Nice To Haves

Microsoft certifications: AZ-104 (Azure Administrator Associate) or MS-102 (Microsoft 365 Enterprise Administrator Expert)
VMware vSphere experience alongside or in addition to Hyper-V
Linux server administration in hybrid Windows/Linux environments
Experience supporting new site infrastructure builds, coordinating with facilities teams, cabling vendors, and ISPs
Familiarity with SIEM/SOAR tooling and server and cloud log pipeline integration (Microsoft Sentinel or equivalent)

Responsibilities

Administer and optimize Microsoft 365 services (Exchange Online, SharePoint Online, Teams, OneDrive) and own Entra ID tenant health, including Conditional Access, MFA enforcement, and directory synchronization
Design and manage Azure infrastructure for corporate IT workloads (VMs, virtual networks, storage, and supporting PaaS services) with ongoing cost monitoring and rightsizing
Implement and administer Azure Arc to unify governance, policy enforcement, and monitoring across hybrid on-premises and cloud environments
Build and maintain infrastructure-as-code (Terraform, Bicep, or ARM) for repeatable, version-controlled, and auditable deployments
Plan, rack, and commission physical server hardware at Crusoe data centers, CI facilities, and office sites during new builds and expansions
Administer Windows Server environments including Active Directory, DNS/DHCP, Group Policy, and certificate services, and manage Hyper-V or VMware virtualized workloads
Own monitoring, backup, disaster recovery, and incident response for all managed systems; participate in on-call rotation as the escalation owner for server, cloud, and identity incidents
Drive automation across infrastructure operations, maintain architecture and runbook documentation, and provide mentorship to junior members of the IT Infrastructure team