Miruna Wiszniewski
Angestellt, Senior Technical Leader RAN NDO, Ericsson
Düsseldorf, Deutschland
Werdegang
Berufserfahrung von Miruna Wiszniewski
New technologies introduction - 5G NR NSA 5G Dynamic Spectrum Sharing Deutsche Telekom 5G NR NSA Introduction Deutsche Telekom
8 Jahre und 4 Monate, Juli 2011 - Okt. 2019
Senior Network Planning & Performance Engineer / Network & Technology Consultant
EricssonLTE NW optimization towards maximizing operators benchmark results. Analyze statistics and provide recommendations for Network changes. Control of traffic dependent parameters. Re-allocate radio resources to optimize channel utilization. Continuous analyzing traffic, utilization and subscriber growth in order to foresee capacity expansion.
Perform the following RF network design, planning and optimization activities as required Manage the system topology and air interface parameters of the main technologies (GSM/GPRS, WCDMA, CDMA, WiMAX etc.). Implement system features and parameters for optimal network performance.
1 Jahr und 8 Monate, Juli 2009 - Feb. 2011
Radio Frequency Engineer
Vodafone
Performs specific Radio Access Network activities (design, implementation, dimensioning, monitoring, optimization for coverage and capacity in a multi-technology (GSM, UMTS voice and data services; WLAN) environment, through management of daily operations, in order to ensure quality key performance indicators.
1 Jahr und 5 Monate, März 2008 - Juli 2009
Technology Financial Analyst
Vodafone
Support profit improvement decisions in the area of Network and IT, through financial analysis and investigation, benchmarking for best operating practice,financial and operational modelling,reporting and control. •Proactively undertake investigations and analysis that demonstrates Network and IT key profit drivers,spot sources for efficiency improvements. •Conceptualize,design and operate profitability models for Network and IT elements.
2 Jahre und 8 Monate, Juli 2005 - Feb. 2008
Customer Operations Supervisor
Nobel
-treating Billing Error/PIN Error trouble tickets -traffic/profit reports making use of SQL queries -recruiting new team members for the Operations Department -training the new hires -supervising and evaluating the Operation Department's members -participating in the middle-management inter-departmental meetings and contributing to the process of taking decision regarding Operations Department -learning new operational applications and training the other team members
Ausbildung von Miruna Wiszniewski
1 Jahr und 10 Monate, Okt. 2007 - Juli 2009
MBA, technical field
University POLITEHNICA of Bucharest
4 Jahre und 10 Monate, Okt. 2002 - Juli 2007
Telecommunications engineering
Politehnica University of Bucharest
Computer science major
Sprachen
Englisch
Muttersprache
Deutsch
Fließend
Französisch
Gut