Manager Job at MTN Nigeria

Manager Job at MTN Nigeria

Manager (Roaming Test, Bayobab) Job at MTN Nigeria

MTN Nigeria – The leader in telecommunications in Nigeria, and a part of a diverse community in Africa and the Middle East, our brand is instantly recognisable. It is through our compelling brand that we are able to attract the right talents who we carefully nurture by continuously improving our employment offerings even beyond reward and recognition.

We are recruiting to fill the position below:

Job Position: Manager (Roaming Test, Bayobab)

Job Identification: 4355
Job Location: Nigeria
Job Schedule: Full time
Job Category: MTN Level 3

Mission / Core Purpose of the Job

  • At Bayobab, we Lead with Care, Can-do with Integrity, Collaborate with Agility, Serve with Respect and Act with Inclusion.
  • 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.


  • 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.

Key Performance Areas Core, Essential Responsibilities / Outputs of the Position (KPA’s)

  • 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

  • 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.


Application Closing Date
19th June, 2024; 08:52.

How to Apply
Interested and qualified candidates should:
Click here to apply online


  • Due to the nature of this role we will be reviewing applications on an ongoing basis and the role might be filled and closed before the closing date. Early applications are encouraged.
  • Qualified female candidates are strongly advised to apply.
  • To apply for this position, you will need to have the right to work in Nigeria.

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