Engineer: Signalling Technology Operations - MTN GlobalConnect

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Engineer: Signalling Technology Operations - MTN GlobalConnect

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The Signalling Technology Operation Engineer will form a part of a highly skilled group of technical experts who are responsible of the technical management of the Bayobab connectivity infrastructure, especially the signaling and roaming setup. he will organize, coordinate, and supervise signalling peering and international Roaming technical activities (configuration, testing and support) in line with the overall business objectives of the company.

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

  • Manage and support Signalling peering (Diameter, SS7) and security (Signaling Firewall) with MTN Opcos and SCCP carriers and Roaming Hub.
  • Manage International Roaming (Technical Coordination).
  • Ensure departmental and special project implementation with stakeholders promptly (e.g. planned expansions, upgrades, migrations, swaps, new services).
  • Manage signalling and Roaming performance and Quality monitoring as per MTN Group standards (General service KPIs, Capacity monitoring KPIs, operational KPIs).
  • Ensure customer satisfaction through effective support (requests, complaints, incidents, problems, change management) and resolve all escalated operational issues promptly.
  • Ensure service availability by keeping the roaming and signalling database updated and consistent to avoid service disturbance.
  • Prevent and address any potential revenue leakage identified on Roaming and interconnect areas.
  • Business Continuity Management by implementing the Group BCM Redundancy solution for critical links and node.
  • Develop Policies, Processes & Procedures: Analyze the existing procedures and propose new ones to enhance quality and productivity. Develop and maintain effective processes to ensure effective interface with Customer Care, Marketing, Sales and Finance Departments.
  • Manage risk by clearing audit findings (internal, external).
  • Provide inputs for departmental CAPEX/OPEX budget elaboration and support its execution.
  • Produce the periodical reports of the Department on schedule



Role Deliverables

  • Ensure the service KPI and KQI are on target
  • Ensure the support service level is meeting the SLA contract or target.
  • Support all troubleshooting for all Signaling and roaming services within the defined MTTR.
  • Provide the solution design on business requests for new service implementation.
  • Signalling network Optimization and security against illegal and fraudulent traffic.
  • Partner peering and roaming coverage expansion
  • Service delivery

Job Requirements (Education, Experience and Competencies)


  • Minimum 4-year bachelor’s degree in equivalent specialization MSc, MBA is a plus.
  • English


  • Minimum five (3) years in a GSM environment


  • GSM, GPRS/UMTS/CDMA Core Network System architecture
  • SSS Standard Operation and Maintenance Tasks
  • Signalling protocols
  • Networking and TCP/IP protocol stack basics
  • Database administration, programming principles
  • Roaming management principles
  • Knowledge in Traffic analysis
  • Project management (be able to use Microsoft Project)
  • Manager track record of 5+ years; with at least 3 years in the Telecom industry.




  • Excellent verbal and written communication skills.
  • Excellent interpersonal and customer service skills.
  • Excellent organizational skills and attention to detail.
  • Ability to comprehend, interpret, and apply the appropriate sections of applicable laws, guidelines, regulations, ordinances, and policies.
  • Ability to acquire a thorough understanding of the organization’s hierarchy, jobs, qualifications, compensation practices, and the administrative practices related to those factors.
  • Excellent time management skills with a proven ability to meet deadlines.
  • Strong analytical and problem-solving skills.
  • Proficient with Microsoft Office Suite or related software.
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