Marija Nikezic

Marija nikezic

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location of Marija NikezicMontenegro
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  • Timeline

    May 2001 - May 2020

    Core IT- Vendor Solutions Team Leader

    Telenor Crna Gora
    Podgorica, Montenegro
    Current Company
    May 2020 - now

    Information Technology Manager

    One Crna Gora
  • About me

    Information Technology Manager at One Crna Gora

  • Education

    • University of montenegro

      1994 - 2000
      Bachelor of mathematical science information technology
  • Experience

    • Telenor crna gora

      May 2001 - May 2020

      - Responsible for delivery on time and team quality- Responsible for planning resources of the team- Supporting line manager within area of managing performance and development of team members- Inspiring and coach team members to grow, learn and improve their performance through regular dialogue, proper use of tools & systems- Supporting team members by creating good working environment, giving instructions and feedback,helping in problem solving- Initiating and participating in recruitment process- Responsible to manage design and development of IT systems in area of responsibility of team- Responsible for managing creation and continuous update on appropriate documentation of IT systems- Responsible for managing upgrades of existing IT systems- Supporting functional and acceptance testing of developed IT systems - Supporting research of new IT technologies- Supporting strategy process Show less Responsibilities:- Technical project management (enterprise and divisional projects)- Solution architecture design for new solutions and for changes on existing solutions- System architecture design for new IT systems and for changes on existing IT systems being in charge of- Business logic configuration management- Preparing development specification for external software developers and vendors- Vendor Systems life cycle management- Creating and continuous update of appropriate documentation for solutions and IT systems being in charge of- Leading functional and acceptance tests of new deliveries- Active role in business and technical requirements analysis- Supporting Telenor Common Operations when defined- Relevant technology and vendor road-map tracking- Follow up all technological innovations and trends inside relevant areas and initiate actions in order to improve performance of IT systems in relevant areas- Having active role in preliminary analysis lead by business analysts- Support detail business analysis and participate in BRD creation in accordance with business request- Actively contribute to the Customer Systems plans (both short term and long term) Show less Responsibilities:Development, customization and integration of Customer related systems:-Introduction of new systems related to external and internal Customers-Introduction of new features and functionalities of systems in charge for development of various interfaces towardsexternal systems-Upgrades, customizations and testing of new versions of Customers systems and mediation devices-Architecture of Customer systems and alignment with overall technology architecture-Vendor management, follow up problem reporting and provided solutions by vendor. Ensuring that vendor projectsare delivered according to plan and agreed quality.-Support Telenor Common Operation when defined. Show less Responsibilities:- 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 Show less Responsibilities:- 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 Show less Responsibilities:- BSCS (Ericsson Business Support Control System - postpaid billing system) administration: rating, monthly billing activities, provisioning, payment processing, Customer Care applications support, rate plans creation, configuration and administration, promotions administration, campaign implementing in postpaid billing system and introducing new features, 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: 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- NRTRDE procedures establishment, operation and maintenance- 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- Development of different kind of Ad-hoc reports, requested from Business Side Show less

      • Core IT- Vendor Solutions Team Leader

        Sept 2016 - May 2020
      • Core IT- Vendor Solutions expert

        Mar 2016 - Sept 2016
      • Customer Systems Expert

        Oct 2013 - Mar 2016
      • Expert in Business Support Systems Department responsible for Rating, Roaming and Interconnection

        Dec 2010 - Oct 2013
      • Billing Operational Manager

        Jul 2009 - Dec 2010
      • Billing System Specialist

        May 2001 - Jul 2009
    • One crna gora

      May 2020 - now
      Information technology manager

      Responsible for the coordination, planning and leading of Information Technology departments:· Billing· IT Architecture & Delivery· Digital channels & platforms· Customer Relationship Management & Analytics· Human resource planning, managing the development and performance of employees · Allocation of work tasks and monitoring the performance of employees · Inspires and trains team members to develop, learn and progress through regular discussion and use of tools and systems· Supports team members by creating a good working environment, giving instructions and feedback as well as helping to solve problems· Project management (company and divisional projects)· Monitoring of relevant technologies and roadmaps of relevant vendors· Monitoring innovations and trends in the field of IT technologies as well as initiating appropriate actions in order to improve the performance of the IT systems · Supports the strategic process· Vendor / partner management· Reporting Show less

  • Licenses & Certifications