1. Surname: Mabvirakare
First Name: Tatenda
Date of Birth: 29 June 1985
Place of Birth: Harare
Nationality: Zimbabwean
Address: 175 Smuts Road Prospect Waterfalls Harare
Telephone Number: +263 732 122 406
Email Address: tmabvirakare@telecelzim.co.zw
Academic Details
“O” Level
School Attended: Visitation Makumbi High
Period: 1999 – 2002
Results
10 “O” Levels including Mathematics and English
“A” Level
3 “A” level passes in Mathematics, Physics and Chemistry
Tertiary Education
University Attended: Bindura University of Science Education
Degree Attained: Bsc Computer Science (Honors) Degree
Period: 2005 – 2009
Academic Results
Overall Degree Class: 2.1
2. Work Experience
Organization: Telecel Zimbabwe
Department: IT and Billing
Position Held: Billing Engineer
Period: June 2012-Current
Duties
a) Oracle database administration and maintenance and report generation using PL/SQL
and TOAD
b) Tariff configurations on the billing system for postpaid subscribers and tariff validation
before every bill run
c) Providing reports for revenue assurance’s manipulation to check revenue leakage and
correct CDR rating
d) Monitoring Mediation Processes to check the flow of CDRs from all Network Elements
to the mediation module to monitor and minimize revenue leakage
e) Integrating new CDR producing nodes and all third party systems to the billing system
f) Run bill runs to produce subscriber invoices
g) Design rating/charging rules on the billing system to ensure 100% charging/rating for all
CDRs generated form all CDR generating nodes
h) Attending to billing system rating/ charging faults
i) Analyze and configure new CDR formats on the mediation module to enable collection,
processing and rating
j) Attending to mediation faults and alarms
k) Monitoring billing processes in preparation for monthly bill runs
l) Billing System support and extra service configurations
m) Attending to billing system user queries
3. n) Billing System database monitoring and administration.
o) Create SIM card specifications for vendor considerations.
p) Test new SIM cards and approve functionality
q) Provisioning for both prepaid and postpaid SIM cards from the billing system, HLR and
OCS
r) Develop and configure new products and promotions on the billing system to suit
business needs and specifications
Organization: ZTEsoft Technology Company Limited
Department: International Customer Service Department
Position Held: Billing Engineer
Period: August 2011-June 2012
Duties
a. Setting up, configuring and implementing Customer Care and Billing (CC&B) systems.
b. User requirements collection and translation into technical documentation for development
purposes
c. CDR mapping and processing rules definition and configuration
d. Billing, mediation, database, web and settlement server monitoring and management to ensure
near 100% uptime.
e. Configuring, monitoring and troubleshooting mediation processes to counter revenue leakage
through unprocessed CDRs
f. Running billing processes to produce itemized bills, invoices and billing reports
4. g. Producing interconnection settlement reports.
h. Maiden billing system tariff configurations for new billing systems and tariff validation before
every bill run
i. Ensure reprocessing of error or unprocessed CDRs to counter revenue leakage
j. Defining integration procedures and processes for third party systems connecting to billing
systems
k. User Acceptance Testing (UAT) for finished billing system projects.
l. Attending to billing system user queries at vendor level.
m. Data migration from legacy systems to new billing systems.
n. Report configuration on web portal for end users.
o. Database monitoring (alarm management) and maintenance.
p. Statistics gathering on general system performance.
q. Daily, weekly and monthly billing system inspections.
Position Held: Project Coordinator
Duties
a. General billing systems setup coordination
b. Accumulating additional requirements from project owners and implementing them.
c. Preparing project schedules for project owners
d. Preparing weekly project reports for project owners
5. Organization: NetOne
Department: IT and Billing
Post: Trainee Systems Administrator
Period: February 2008 – April 2009
Duties
a. Monitoring all billing processes
b. Billing system tariff configurations and validation
c. Preparing billing reports
d. Carrying out Database backups(Oracle Database)
e. Billing Server monitoring and management
f. Billing System Trouble shooting and support
g. Coordinating and managing subscriber accounts and subscriber account balances
h. Carrying out monthly bill runs.
6. Reference
Net One
Mr. T Mugwagwa Mrs. Dafana Ms R Dyirakumunda
Tel number: 0712 980 503 Tel number: 0712 980 504 Tel number: 0712 980 511
ZTESoft Technology Company Limited
Wang Daofei Gai JiaJun
Tel number: 0733 111 824 Tel number: 0733 111 848
Telecel Zimbabwe
Fidelis Zinatsa Tapiwa Paradza
Tel number: 0732475394 Tel number: 732140753
