HELPDESK CONSULTANT

Helpdesk/IT Support:
Build, repair and upgrade personal computers and select appropriate computer components. Install operating systems such as Microsoft products (WinXP, 7, 8, 8.1, 10). Manage and recover Windows operating systems. Set up devices to connect to the Internet and cloud services. Correctly diagnose and resolve advanced hardware and software problems. Repair or replace damaged hardware. Install and update anti-virus software to ensure user-level security.

Active network eqiupment:
Installation /Preventive maintenance of the network equipment: Cisco Wireless LAN Controller (WLC), Cisco Unified Communications Manager (CUCM), Cisco Switches, Cisco Routers, HP Server ProLiant G7,8,9,10

Networking:
Switching: STP, VTP, HSRP, PVLAN, UDLD, DHCP Snooping, EtherChannel, MPLS, IEEE 802.11 Wi-Fi protocols.
Routing: IPV4/IPV6 Static Routing, RIP, EIGRP, OSFP, BGP, Access List, DHCP Relay.
VPN: IPsec, GRE, GRE over IPsec.
Automation of network equipment configuration: Writing of Python Scripts.

OS & Software installation/maintenance/support:
Installation, administration of OS:
MS Windows Server 2016, 2022, CentOS.

On base Microsoft Windows:
Active Directory: Creating forest, users, working with permissions, GPO, adding PCs to domain.
Configure office 365 Exchange Online on Azure cloud and integrate on-premises Active Directory with Azure Entra ID.

VMware Server:
Installation of vCenter Server, ESXI, management of VMware environments via vCenter Server, creating Distributed switch, virtual machines, working with snapshots, backup.

FortiGate:
Integrate FortiGate with Active Directory via LDAP and FSSO, monitoring, configure web filtering, speed limiting, VPN.

Asterisk on base Centos:
Installation, maintenance, working with sip.conf, extensions.conf, features.conf, configuring with FXO, FXS, SIP Trunk.
Can create & maintain office telephony