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Professional Status


Alexander Sigachev


Telecommunications Department System Engineer

Since February 2017
  • LAN, Wireless LAN, IP-Telephony an UC solutions design and implementation
  • SD-WAN market research, presale activities

Network Architect

April 2015 to December 2016
  • Campus LAN design and development (~8.000 users)
  • New client services design and implementation
  • Level-3 technical support

LAN/WAN/VoIP Engineer

August 2014 to April 2015
  • Networking and IP Telephony implementations and consulting

Telecommunications Department Engineer

CROC Inc. (
February 2005 to August 2014
  • LAN, Wireless LAN, IP-Telephony an UC solutions design and implementation
  • Pre-sales activities
  • Technical support and troubleshooting
  • Preparation and presentation for Cisco Master UC Partner Status audit (Status revalidated in 2010 and 2012)
  • Successfully implemented projects examples:
    - LAN, Wireless LAN and IP-Telephony system in Moscow Arbitrary Court building (~1000 users
    - LAN and Distributed IP-Telephony system in Russian-Italian company Enel-OGK ( (~1500 users – Head Office and 4 power plants);
    - LAN, Wireless LAN and IP-Telephony system for Adidas-Russia (Head Office and the central warehouse);
    - LAN for CCTV system at Sochi International Airport;
    - LAN, WAN and IP-Telephony for Russian Railways company
    - LAN, IP-Telephony and Telepresence solutions for Sberbank-Russia Future Office project


  • Pre-sales, site surveys, documentation, installations, technical support
  • Cisco Unity, Cisco Unity Connection, Unity Express
  • Cisco Unified Presence, Attendant Consoles
  • CUBE, TDM-IP Voice Gateways, Analog voice gateways VG224, VG248, ATA186/188
  • Cisco Telepresence 1000, 3000, Cisco Telepresence Manager, Cisco Telepresence Multipoint Switch
  • FXS, FXO, BRI ,PRI, Q.SIG, SCCP, MGCP, H.323, SIP protocols
  • Cisco Unified Contact Center Express
  • Routers Cisco ISR G1/G2, ASR1000
  • Switches 29xx, 35xx, 3750, 45xx, 49xx, 65xx
  • EIGRP, OSPF, BGP (MP-BGP), VRF, PBR, Object tracking
  • IPv6 basics
  • Cisco ASA 5500, 5500x, ASA/Sourcefire NGFW/NGIPS
  • CiscoSecure ACS, Cisco ISE
  • Cisco Anyconnect VPN
  • IPSec, DMVPN
  • Cisco AireOS Cisco 25xx, 44xx, 55xx Wireless LAN controllers
  • Cisco Aironet 12xx, 26xx, 36xx, 27xx, 37xx, 15xx Access-points
  • Outdoor wireless mesh solutions
  • Cisco WCS, Cisco Prime Infrastructure
  • SNMP, Netflow, Cisco EEM Scripting
  • Python Scripting basics
  • VMWare vSphere basics
  • Windows and Linux basics
  • Cisco Certified Internetwork Expert (CCIE R&S) #55924
  • Cisco Certified Network Professional (CCNP)
  • Cisco Certified Voice Professional (CCVP)
  • Cisco Certified Security Professional (CCSP)
  • Cisco Certified Internetworking Professional (CCIP)
  • Cisco IP Contact Center Express Specialist
  • Cisco Certified Design Professional (CCDP)
  • Juniper Networks Certified Associate (JNCIA-Junos)
  • CWNP Certified Wireless Network Administrator (CWNA)
  • Russian
  • English
  • Spanish
  • Portuguese
  • International Engllish Language Testing System (IELTS), British Council, 7.5 points
  • Diploma de Español como Lengua Extranjera (DELE), Instituto Cervantes, level B2


Bachelor / Engineer

Moscow Technical University of Telecommunications and Informatics
September 2001 to June 2006

Automation in Telecommunicacion enterprises

Portuguese language course

"Latinski Kvartal" language school
September 2013 to December 2013

Spanish language course

Cervantes Insitute Moscow
2008 to 2009