Nikezic - Billing Manager - Podgorica, Montenegro

Marija Nikezic

Podgorica, Montenegro


Billing Manager

  • Full time
  • Part time
  • One time
  • Contract
  • Temp

Work History

Customer Systems Expert


From October 2013

➢ Project Management
➢ Technical Project Management
➢ Having active role in preliminary analysis lead by business analysts
➢ Support detail business analysis and participate in BRD creation in accordance with business request
➢ Solution architecture design
➢ System architecture design
➢ Preparing development specifications for external vendors and outsourcing companies
➢ Leading teams of external developers
➢ Write and update related documentation.
➢ Testing new services and features in development environment
➢ Customer Systems configuration
➢ Support Telenor Common Operation when defined
➢ Actively contribute to the Customer Systems plans (both short term and long term)
➢ Maintaining relationship and communication with Vendors and other partners
➢ Offer necessary support/competence to other departments
➢ Reporting

Development and introduction of new Business Support Systems


December 2010 - October 2013

December 2010 - October 2013 Expert in Business Support Systems Department responsible for Rating, Roaming and Interconnection
Telenor Montenegro; Podgorica; Montenegro
➢ Development and introduction of new Business Support Systems and applications
➢ Upgrades, customization and testing of new versions of BSS systems
➢ Maintenance of contracts between Telenor MNE and vendors related to BSS
➢ Short term planning and dimensioning of systems in coordination with technology plans
➢ Introduction and customization of new mediation and provisioning systems
➢ Correspondence with vendor regarding new developments and change requests in the department scope
➢ Development and follow up of implementation of new functionalities in the Department scope
➢ Offering necessary support to operation
➢ Development of different kind of ad-hoc reports in the area of responsibility
➢ Transferring knowledge and providing directions and support to other members of the team
➢ Responsible for all tasks (development and operation) related to rating, roaming and interconnection processes on BSCS billing system and cvBS - ZTE billing system
➢ Active participation in MCCC (Mobile Country Code Change) project: implementation of all required system functionalities of billing system in order to support two Mobile country codes parallel use (rating, roaming and interconnection areas)
➢ Active participation in process of migration from BSCS (Business Support Control System) Ericsson billing system to cvBS (Convergent Billing System) ZTE billing system
➢ Full implementation of new billing system (ZTE) Roaming and Interconnection modules (data analyzes, data migration, functionalities and configurations development and maintenance)

Billing Operations Manager


July 2009 - December 2010

➢ Supervising and handling Billing Operation related activities: Administration and maintenance of BSCS billing system processes (rating, roaming, interconnection, system resources, service provisioning, customer care support, mass changes, fraud activities, payment handling, defects management ), Oracle databases administration, ERP administration, Ericsson Multi Mediation and ZTE Mediation system configuration and maintenance, ZTE Provisioning system maintenance and administration, Wi-Max/Wi-Fi billing system administration and maintenance, Reporting systems operation and development, Data Warehouse administration
➢ Leading, managing all the subordinates, developing their professional knowledge and also increase the operational effectiveness within the department
➢ Coordination and continuous development of the working processes, tasks and resources
➢ Keeping contact with other offices/departments within the company, suppliers etc.
➢ Frame and support agreements with billing related vendors
➢ Follow up off financial reports and statistics and ensure data quality
➢ CAPEX/OPEX follow up
➢ Planning and following up the yearly budget of the department,
➢ Organize and follow up all the issues related to procurement activities and 3rd party activities in connection with department responsibility
➢ Full and successful implementation of Billing Operations department new nodes: ZTE Provisioning and ZTE mediation systems, together with complete implementation of ZTE Mediation system and all related activities

Billing System Specialist

Revenue Assurance

May 2001 - July 2009

Telenor Montenegro; Podgorica; Montenegro
➢ BSCS (postpaid billing system) administration: rating, monthly billing, provisioning, paying processing, Customer Care applications support, rate plans creation, configuration and administration, promotions administration, manual monetary transactions administration
➢ Document System Solution administration, configurations related to invoice layout
➢ Communications with BSCS (postpaid billing system) vendor - error reporting, solution testing and implementation
➢ BSCS (postpaid billing system) Design Change Requests management (software change): purchase, description, testing, new modules production implementation
➢ Automation of production workflow (SQL, PL/SQL, Unix Shell programming )
➢ Revenue Assurance (TRAP) system administration
➢ Interconnection system administration and configuration
➢ Financial reporting: postpaid and prepaid revenue reporting
➢ TADIG testing and roaming traffic exchange
➢ Ericsson Multi Mediation administration (creation of filters, formatters needed for CDR collection, processing and distribution)
➢ Oracle Databases administration
➢ Postpaid SIM cards administration
➢ Wi-Max/Wi-Fi billing system administration
➢ Official representative of Billing department in the following project - WI-max/Wi-Fi billing system introduction (vendor - Comarch): preparation of Technical Functional Requirement documentation, Hardware equipment ordering and installation, 3arts billing system installation, administration, maintenance and all configurations in order to satisfy functional requirements
➢ Billing department representative in project - TRAP Telenor Revenue Assurance project: Revenue flow analyzes and control points detection, detailed documentation preparation, TRAP system development (SQL, PL/SQL, Unix Shell programming), query preparation for reporting purposes
➢ Active participation in process of migration from BSCS (Business Support Control System) Ericsson...


IT System

May 2000 - May 2001

Aluminium factory; Podgorica; Montenegro
➢ Creation of Visual Basic application for purposes of Human Resource Department

Qualifications & Certifications

Information Technology

University of Montenegro


Centre Podgorica

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