Manager – Roaming Test.Bayobab needed at MTN

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Job title : Manager – Roaming Test.Bayobab

Job Location : Other,

Deadline : July 13, 2024

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Job Description

  • The Test Manager has the overall responsibility to lead the end-2-end roaming testing strategy and implementation between the OpCo’s, the roaming partners, test equipment supplier.


Key Performance Areas: Core, essential responsibilities / outputs of the position (KPA’s)


  • The Test Manager will be accountable to achieve the following KPA’s:
  • Deliver a GSMA-compliant roaming testing strategy for the Roaming Hub.
  • Lead the Testing Team and ensure an efficient roaming testing process
  • Deliver the Test Factory RVAS for all roaming partners and OpCo’s. 
  • End to end responsible for all IREG testing, TADIG testing and quality testing (GRQ) between MTN OpCo’s and the roaming partners
  • Ensure that SLA’s for testing and troubleshooting are maintained.
  • Ensure that monthly KPI’s are met for completed IREG tests, TADIG validation (TCC), IR.21 implementations, billing implementations and quality tests.
  • Keep the roaming footprint for OpCo’s up to date.
  • E2E onboarding of new customers
  • Logging and tracking of roaming quality issues for OPCOs/partners.
  • Monitor and report on international roaming performance.
  • Conduct regular regression tests (QoS) with commercially launched partners
  • Liaise with foreign operators,, internal departments, and external parties with regards to roaming related issues.
  • Conduct analysis of roaming service abnormalities/performance functional tests.


  • The Test Manager is responsible in this position to:
  • Lead and be responsible for a team of IREG, TADIG and Quality coordinators, and Services Administrator
  • Ensure day-to-day activities related to roaming testing, trouble-shooting, test prioritisation, test reporting, process escalations, and for setting test requirements in compliance with the GSMA.
  • Ensure contact between roaming partners and Roaming Operations IREG and TADIG testing and technical integration teams.
  • Lead a team for E2E technical roaming testing (i.e. IREG – TADIG- quality service launch).
  • Assume full responsibility to approve tests.
  • Efficiently use test units put at disposal to meet business objectives.
  • Ensure successful test provisioning to expand the MTN roaming services footprint.
  • Manage testing of all roaming services; e.g. GSM (IR.24), GPRS (IR.35), CAMEL (IR.32 & IR.60), 3G, 3.5G, 4G, and 5G.

Job Requirements (Education, Experience and Competencies)


  • Bachelor’s degree in Engineering, IT, and/or Telecommunications
  • Formal leadership certification training (preferred)
  • English: verbal and written proficiency
  • French: Advantage


  • 8 years’ experience in managing end-to-end roaming testing
  • Minimum of 5 years’ experience leading roaming testing teams
  • Experience with Quality of Services (QoS) and commercial launch processes
  • Experience with SS7 and GPRS tracing, as well as GRX & IPX providers
  • Experience with the technical troubleshooting of International Roaming; in a hub advantageous
  • Experience with IR.21 creation, updates, distribution, and management in GSMA’s RAEX
  • 5 + years’ experience in the leadership and development of teams
  • Experienced in creating and conducting presentations in English.
  • Experienced presenting to senior management and OpCo leadership.


  • Deep understanding of telecom networks, billing flows, handsets, and roaming services
  • Documented technical skills pertaining to GSMA regulations about IREG and TADIG testing (i.e. IR.24, IR.35, IR.32, IR.60, 3G, and 4G/LTE)
  • Strong knowledge of SS7 signalling and core network management;
  • Deep knowledge of GPRS platforms (i.e. SGSN, GGSN) and associated protocols
  • Solid background, in-depth knowledge and experience GSM and LTE roaming.
  • Deep technical understanding of the technology and E2E technical roaming.
  • Excellent communications skills (both written and verbal)
  • Demonstrated ability to successfully work well within and lead teams
  • Strong written and verbal communication and presentation skills
  • Strong analytical, investigative, problem-solving, and decision-making skills.
  • Demonstrated interpersonal, written, and verbal communication skills.
  • Excellent influencing skills, in particular with decision-makers.
  • End-to-end understanding of mobile roaming operations
  • Broad knowledge of roaming billing, network engineering, and roaming operations.
  • Intermediate skills with MS Office, i.e. Word, Excel, PPT, and SharePoint. Automation of reporting on powerBi and other automation platforms.

How to Apply for this Offer

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