Primary Experience
• Experience in IREG standards
• Experience in 3G-4G ROAMING Testing, Support to Business users
• Experience in Inbound & Outbound roaming testing
• Prior experience of GSMA standard IREG & TADIG test cases
• Proficient knowledge of roaming services (2G, 3G, LTE), the protocols SS7 and MAP
• Test cases designing, Test Execution and Test Management
• Test Reporting
Roles & Responsibilities
Design & Develop Test Cases based on Device specifications
Execution of Test cases on nominated brands and track the testing with organized manner
Track the bugs until closure with any defect management tool
Report the superiors with reports on timely manner about the issues and progress of the testing
Collaborate with Roaming Partners and internal stakeholders e.g. Commercial and customer care, to identify trends and drive fixes for inbound / outbound live roaming incidents within the agreed service SLA
Coordinate and plan with both commercial and Roaming Partners to perform voice, data, LTE and billing tests (TADIG), in order to facilitate new services thereby expanding our Roaming footprint
Using IR21 documents received from Roaming Partners - specify, create and track work orders for Roaming data network changes required in order to ensure inbound and outbound roaming continues to operate.
Experience in working with network elements such as MSC, HLR, SCCP, CES, EPG, PCC, GGSN, SGSN, tariff and mediation, associated Servers and Firewalls.
Work effectively with the data-build teams and Billing Operations to ensure all data configurations are in the network.
Support Revenue Assurance and Fraud in the investigation of roaming fraud by reviewing data and providing evidence which Three can use to substantiate the fraud with the Roaming Partner
Act as the technical roaming subject matter expert on new projects either in design, test or implementation stages
Drive operational performance of the vendors for which International Roaming is responsible for by review of KPIs in operational review meetings.
Provide 24/7 on-call support for P1/P2 roaming incidents giving timely feedback to all affected stakeholders