Manager - Roaming Test at MTN Nigeria

Mission/ Core purpose of the Job

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.

RESPONSIBILITIES

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

Core:

• 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.
•  
• Responsibilities:
• 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.

QUALIFICATIONS

Job Requirements (Education, Experience and Competencies)

Education:

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

Experience:

• 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.

Competencies:

• 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.