Senior IT Technical Support Engineer

Support for 2 B2B companies (up to 100 employees each)
Responsibilities:
L2/L3 IT infrastructure support
Administration of corporate systems and users
Hands-on experience with AWS / Azure / Google Workspace
Service Desk management (Atlassian Jira)
Monitoring, backup, and incident resolution
RCA (Root Cause Analysis) and prevention of recurring issues
Active Directory management (GPO, user management, access rights)
Focus: Multi-client support, incident management, cloud services

Enterprise infrastructure (2000+ employees, 100+ offices)
Responsibilities:
Corporate IT infrastructure support (L2/L3)
Active Directory and Microsoft 365 administration
Network infrastructure support (DNS, DHCP, VPN)
Service Desk (Jira) management and incident handling
Participated in infrastructure migration (2200 users)
Collaboration with technical teams and third-party vendors
IT asset and license management
IT security compliance (Bitdefender, McAfee DLP)
User training and technical documentation authoring
C-level support
Achievements:
Contributed to a major migration project for 2200 users
Established support and escalation processes
Improved IT support quality through documentation and training

Company size: up to 50 users
Responsibilities:
L1-L3 technical user support
Windows Server and workstation administration
Active Directory / M365 / Google Workspace management
Network configuration (DHCP, DNS, VPN)
Backup & recovery management
IT asset inventory
Vendor management
Maintaining technical documentation and SOPs