Attila Hadar

Berufserfahrung von Attila Hadar

• Bis heute 1 Jahr und 4 Monate, seit Jan. 2023

  Cisco Collaboration engineer

  MVC Mobile VideoCommunication GmbH

• 1 Jahr, Jan. 2022 - Dez. 2022

  Senior Voice Engineer

  Access4 (UCaaS provider)

  - Cisco Broadworks environment operation - Ribbon SBC operation - Cisco CUBE, Hybrid collaboration, Webex, Webex Calling operation - Polycom, Yealink, Grandstream, Cisco phone configurations - Little Ms Team management - VoIP log analysing and debugging

• 7 Jahre und 2 Monate, Nov. 2014 - Dez. 2021

  Lead Infrastructure Engineer

  Ecolab

  - Planning, implementing and operating Cisco Voice and data solutions. - EMEA lead engineer – Global Voice engineer - E.164 migration – Installed new Callmanager clusters and merged the exist clusters and moved the phones to the new cluster - 3rd party Callcenter migration projects, etc. - 3rd party application planning and implementation - Webex Cloud management - SME Implementation - Expressway management - Cisco Cloud service management - CUCM and Unity upgrade (10.x to 12.x)

• 1 Jahr und 7 Monate, Apr. 2013 - Okt. 2014

  IPT Voice Engineer

  NET'54

  Planning, implementing and operating Cisco Voice solutions for international and national companies (Cisco callmanagers, Unity and Presence, Callcenter, and other cisco solutions with routers, switching...etc) Supporting LAN and Wireless, security solutions

• 10 Monate, Juli 2012 - Apr. 2013

  Voice Engineer

  British Telecom Global Services

  Global Cisco IP phone network installation (Cisco Callmanagers, Cisco Unity voicemails, Voice Gateway routers, VG2xx and ATA analogue devices...etc) and migration for International companies – all over the world (more than ~150 000 users / cluster) Local LAN network installation and migration for International companies

• 7 Monate, Dez. 2011 - Juni 2012

  Network and Voice engineer

  Lapker

  • Cisco network devices operations (Routers, Switches, Pix and ASA, Phone exchange and call centre) • Avaya phone exchange and call centre operations • Servers (2003, 2008) and VMware cluster operation in Windows system environment • SAP big upgrade project – Network support • Network mapping created as it was unknown to date • Created Local Network device and infrastructure Documentation, and reconfiguration. • Cisco IP callmanager (phone exchange) upgrade and optimize, cleaning and set any new services

• 7 Jahre und 11 Monate, Jan. 2004 - Nov. 2011

  IT Systems Administrator

  Rossmann Hungary

  • new Hungarian Pos system network installation and operation, user support • new IP VPN network planning and installation between the stores and HQ • Cisco network devices operations (Routers, Switches, Pix and ASA, Phone exchange and call centre) • Took part in the new HQ and Warehouse building planning, created IT network planning and managed the building of new server rooms, managed and implemented all new IT network devices and managed all moving of ITdevicesfromtheoldto new HQ without systems stoppage