Writing documentation, setup switches and routers, administration of Zabbix, FW, NGFW (checkpoint) and cryptographic hardware (Continent), VoIP administration (3CX), building of network infrastructure in foreign branches. Technical consulting.

Creating, implementing, and maintaining network documentation. Configuring and installing access and distribution level L2/L3 switches of many different vendors (HP, 3COM,Huawei (Swich, Router, GPON terminals), QTech, D-Link, ZTE, AliedTelesys, Cisco). Configuring customer's routers. Working with Core level devices in MPLS network with OSPF, BGP protocols. Second level support, troubleshooting and network maintaining using debug information from entire devices and Wireshark capture from sensors. Scripting (SecureCRT .vbs automatization. Got habrahabr invite for article about using scripting in this program) Communication with network engineers from other providers. RDP, OpenVpn Led an itinerant specialists. I also have a bit experience in programming (Delphi/C++).

Home PC master.

Repair of electronic devices, calibration, adjustment and debug of electronic schemes using oscilloscope, spectrum analyzer and other diagnostic devices. Microprocessors flashing and automatization of everything, what can be automated.

Cell phones diagnose and repair.

machinery construction, engineer

electronics, consumer electronics repair