Manager - Roaming Test Job in 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 Title: Manager - Roaming Test

Location: Nigeria

Employment Type: Full Time

Mission/ Core purpose of the Job

  • The Roaming Operations Manager will form part of a highly skilled technical team who are responsible of planning, design, implementation, operations and maintenance of Bayobab’s roaming hub infrastructure composed of central GSM and Open Connectivity compliant platform, to facilitate International Roaming between Mobile Network Operators and elected Roaming Partners to run GSM roaming, wholesale roaming, roaming added-value services, IoT, and M2M roaming services.

Key Performance Areas
The Roaming Operations Manager will be accountable to achieve the following core KPA’s:

  • Develop & maintain the Roaming Hub Strategy with a 3–5 years technology roadmap
  • Business & Stakeholder request fulfilment with automated flows for fast provisioning and quick trigger of revenue.
  • Proactivity in picking up issues, recommending improvements and performing necessary optimisations to improve on customer experience and avoid churns.
  • Provide higher technical support to Global NOC and OPCO operations teams for roaming related issues.
  • Oversee and facilitate Incident, change, maintenance, problem management within the roaming hub.
  • Regular weekly, monthly, and addoc reporting on all assigned areas
  • Vendors: Ensure management and accountability of outsourced processes and engagement with vendors
  • SLA & OLA management and ensure alignment with contractual obligations.


  • The Roaming Operations Manager’s responsibilities in this position are to:
  • iCAMPAIGN management (VPMN & campaign management)
  • GTP management (IMSI mapping, CoS Management, Gateway configurations, session management, global system parameter tuning)
  • VPMN management (Feature activations, VLR addition/modification, GT mapping, hostname management.)
  • Steering Management (CoS management, Location detail configuration/updates, VPMN steering configuration, release code modifications & prioritisation, node management, subscriber/device management)
  • Border Gateway (Location detail configuration/updates, VLR addition/deletion/modification.)
  • Platform management (disk space management, database management, software management)
  • Security Management (vulnerability management)
  • People and performance management.

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.

Application Closing Date
4th June, 2024.

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