Zvonko Duvnjak
Bis 2017, IMS Solution Integrator, Ericsson Nikola Tesla d.d.
Zagreb, Kroatien
Werdegang
Berufserfahrung von Zvonko Duvnjak
IMS (IP Multimedia Subsystem) Lab Infrastructure Engineer
4 Jahre und 6 Monate, Feb. 2013 - Juli 2017
IMS Solution Integrator
Ericsson Nikola Tesla d.d.
IMS integration, E2E troubleshooting and consultation in field projects in Region Western and Central Europe. Support and troubleshooting (on-site support, 1st and 2nd line support, CSR handling). IMS testing (end-to-end testing, function testing, load testing, performing user acceptance tests).
1 Jahr und 9 Monate, Mai 2011 - Jan. 2013
Voice services development and integration specialist
Croatian Telecom
- planning and development of technical solutions for customer service - designing solutions, creating technical feasibility studies and participation in the preparation of feasibility studies - cooperation and support to other business areas, cooperation with external partners - preparation of technical specifications - work on the integration activities, testing, deploying and preparing documents for maintenance handover
6 Monate, Juli 2010 - Dez. 2010
Trainee
FTW Forschungszentrum Telekommunikation Wien GmbH
- developing concepts and suggest implementations for practical low-power modes that do not introduce significant destabilizing effects on the overall DSL network - specific tasks: investigate current proposals and state-of-the-art low-power modes identify and investigate levels of potential energy savings with low-power modes investigate and develop better low-power mode transmission schemes
2 Jahre, Feb. 2008 - Jan. 2010
Technical Specialist
Croatian Telecom
- PTSN, ISDN, ADSL, IPTV technical support - helpdesk for domestic and foreign customers
Ausbildung von Zvonko Duvnjak
1 Monat, Mai 2015 - Mai 2015
OpenStack private cloud workshop
1 Monat, März 2015 - März 2015
VMware vSphere: Install, Configure, Manage (v5.5)
1 Monat, Apr. 2012 - Apr. 2012
IPWorks 7.0 Operation & Maintenance DNS;ENUM
Ericsson Academy, Zagreb (Croatia)
1 Monat, Okt. 2011 - Okt. 2011
ENIQ 2: Overview
Ericsson Academy, Zagreb (Croatia)
1 Monat, Okt. 2011 - Okt. 2011
ENIQ 2: Operations
Ericsson Academy, Zagreb (Croatia)
1 Monat, Juni 2011 - Juni 2011
Training Course: Cisco Voice Over IP (CVOICE)
RECRO-NET
4 Monate, März 2010 - Juni 2010
Telecommunications
Vienna University of Technology
Erasmus Exchange Programme. Subjects: Technical Realization of Communication Networks, Communication Networks - Advanced Topics, Strategic Management
1 Monat, Feb. 2010 - Feb. 2010
Oracle BI Suite ee 10g R3; Oracle BI Suite ee 10g r3
Oracle Croatia d.o.o.
1 Monat, Juli 2009 - Juli 2009
Training Course: Oracle Database 10g Administration I
Oracle Croatia d.o.o.
2 Jahre und 5 Monate, Sep. 2008 - Jan. 2011
Information and Communication Technology - Telecommunication and Informatics
Faculty of Electrical Engineering and Computing
Master Thesis: Low Power Modes in DSL Systems
2 Jahre und 11 Monate, Sep. 2005 - Juli 2008
Computing
Faculty of Electrical Engineering and Computing
Bachelor thesis: Defining user tariffs and charging systems for group services in mobile network
3 Jahre und 10 Monate, Sep. 2001 - Juni 2005
XV. Gymnasium
Sprachen
Englisch
Fließend
Deutsch
Gut
Croatian
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