? Requirements: * Experience in Infrastructure; Virtualization: Hyper-V in production (network/storage, HA/DR); M365: Exchange Online (DLs, email flow), SharePoint Online (Sites/Permissions), Teams and general administration. Intune (MDM/MAM): compliance/configuration policies, Autopilot, apps, updates. AD Entra ID: GPOs, OUs, groups, DNS/DHCP; account management, groups, MFA, Conditional Access, and hybrid synchronization. File Services: Advanced NTFS, DFS Namespaces/Replication, best practices. Backup: Veeam (jobs, restore, reports). Security: NGFW (rules, NAT, VPN, load balancing), Windows Defender/Defender for Endpoint. Networks/Switches: VLANs, trunk/access, LACP, STP, basic inter-VLAN routing. Servers: Administration of Windows Server and Linux; management via iLO/iDRAC. Scripting: PowerShell for automation, reporting, and operational support; * Languages: Fluent Portuguese; intermediate English; * Availability: Working during change windows outside regular hours and, when necessary, on-call duty. ? Benefits: * Meal voucher or food allowance; * Health insurance; * Dental insurance; * Sesc ? Location: * Rio de Janeiro \- RJ * On-site