Senior System Administrator

📋 Description Manage, support, and improve enterprise infrastructure services across environments. Administer and maintain Microsoft infrastructure: Active Directory, DNS, DHCP, Certificate Manage access platforms and enterprise services: collaboration tools, monitoring, backups, cloud Support and maintain VDI and terminal server environments; ensure performance, patching, and Resolve incidents and service requests within SLAs; participate in operational support. Contribute to infrastructure modernization projects: domain migrations, VDI transitions, upgrades 🎯 Requirements Bachelor’s degree in Computer Science, IT, or related field. Minimum 5 years’ experience administering Microsoft and VDI infrastructure. Hands-on AD migrations (domain/forest) with minimal disruption. Strong AD knowledge: domains, forests, trusts, replication, FSMO, DFS, GPO, Kerberos/NTLM DNS, PKI, certificate lifecycle, TLS implementation experience. VDI/remote access platforms (Citrix or similar). 🎁 Benefits Fully remote full-time opportunity. 28 vacation days per year. 7 wellness days annually for personal needs. Referral bonuses up to $5,000. 50% reimbursement for professional training and conferences. Corporate discounts for English lessons.