Paradzai Chivhunze

Experience

• 

  Telecel Zimbabwe

  Apr 2011 - Jan 2012

  VAS Specialist

  • Ensure VAS applications uptime• Ensure that all VAS services are charging correctly both on the Prepaid and Postpaid platforms.• Implement test and deploy new VAS applications to ensure that they comply with required standards and procedures.

• 

  Telecel Zimbabwe

  Jan 2015 - Dec 2015

  • Configure and set up billing process flows.• Implement new products and services on the Billing system • Integrations of new network nodes to the billing system.• Perform Interconnection Billing, billing of contract subscribers and billing for Roaming at the end of the month• Configure and set up new mediation process flows.• Integrate the mediation system to other nodes. • OPEX and CAPEX budget planning, monitoring and control for Billing Operations• Managing charging, billing, roaming and interconnect operations• Planning system upgrades • Recommend critical decisions for important operational issues.• Negotiate SLAs with vendors• Monitor if SLAs are being adhered to as per agreements with vendor• Prepare daily, weekly and monthly reports for management

  • Billing Engineer

    Jan 2010 - Dec 2015

  • Acting Billing Manager

    Jan 2015 - Oct 2015
• 

  Econet Wireless Zimbabwe

  Jan 2016 - now

  IN/OCS/VAS Charging Specialist at Econet Wireless Zimbabwe

  • Implement new products and services on the Charging system - ZTE cvBS convergent system version 8.• Implement new rules, tariffs for data-voice-sms services and other charging related configurations on the charging system• End-to-End System Administration, Operation and Maintenance of Charging System • Interpretation and application of the 3GPP standards for diameter charging protocols• Trouble shooting, Fault Investigation, Root Cause Analysis on Charging System.• Integration of new nodes to the charging system e.g PCRF, PCEF• Integration of new features and services in Charging System• Coordinate and interface with 3PP Support and Project organizations for escalated issues and ongoing Projects.• Improve operational efficiency by developing scripts and tools.• Ensure system uptime and service availability of Charging System according to contractual SLA.• Month end Bill run for Postpaid subscribers and reporting• Plan, schedule and implement System upgrades in production environment in liaison with the vendor. Telecom Charging and Billing Systems worked on:• ZTE cvBS version 8 convergent Charging and Billing System• Ericsson CBIO charging and Billing system Show less