> Maintenance of IT networks, servers, routers, switches and firewalls.> Planning , implementing and managing IT projects.> Work closely with customers to diagnose and resolve all IT-related problems.> Administer client software and network solutions.

> Strong knowledge of EIGRP and OSPF (summary, PBR, TAG).> Deep knowledge of enterprise campus network design and implementation based on features such as inter-VLAN routing, aggregation, STP, VPN, VACL, PVLAN.> Specific knowledge of L2 & L3 networking, TCP-IP.> Provide technical support for installation, configuration and maintenance of routers, switches and firewalls.> Hardening of switches (ACL, Port Sec), installation of Linux OS.> Installing, configuring and managing server, monitoring server activity,> Worked with colleagues to improve all network services, ensuring all policies and procedures were fully adhered to.> Monitored and investigated network issues, managed user accounts, installed, configured and maintained multiple network devices.> Determined and analyzed network requirements, evaluated and worked to improve network performance and performed regular backups. > Managed virtualization infrastructure (VMware vSphere ESXi, vCenter Server).

> Server installation, configuration and operation, including DNS/DHCP/DFS/FTP/WSUS/print servers, user authorization and managing client relationships in the domain.> Configure and troubleshoot Cisco routers and switches.> Troubleshoot software, hardware and network issues, perform on-site maintenance for over 1000 computers and POS devices.> Update systems, ensure reliability and stability of all systems and components.> Install and configure user workstations, communicate with customers via phone or email, and diagnose and resolve hardware/software problems.

> Implemented and installed Windows server and client.> Resolved software, hardware and network issues.> Installed and implemented Veeam Backup & Replication and Network Monitoring (Zabbix) software.> Performed regular backups. > Successfully communicated with 151 business partners, diagnosing and resolving all network, hardware and software issues.> Experienced with Wireshark, Mikrotik, cable types and connectivity techniques.