Engineer – Principal Billing

  • Full Time
  • Lusaka

Bayobab Zambia

About the job

Values are at the core of our culture. Our values are Lead with Care; Can Do with Integrity; Collaborate with Agility; Serve with respect: and Act with inclusion.


The Engineer – Principal Billing will form a part of a highly-skilled group of IT and management experts responsible for the architectural, operational and delivery of the Bayobab’s global IT infrastructure and support other business units with the deployment and utilization of the assets. The position will furthermore support the Bayobab billing and associated services.

Key Performance Areas

The Engineer – Billing will be accountable to achieve the following objectives:

  • Responsible for the implementation/upgrades, maintenance and support of the billing platforms and its related processes to achieve billing operations continuity.
  • Ensure accurate billing and timely delivery of bills to Customers including timely Resolution of Customer billing disputes, queries and inquires.
  • Support the update and management of Customer billing profiles on the billing system.
  • Developing and implementing scripts and tools that will support and expand billing functionality.
  • Application security, incident/problem management and correction, monitoring and investigation of call data records, generating ad-hoc and regular reports based on billing data and structure.
  • Providing technical leadership for application upgrades, maintenance, Products, tariff configuration and Resource lifecycle management.
  • Technical user requirement gathering including billing, service provisioning, route and mediation requirements.
  • Integration tests for new services and upgrades on test platform.
  • Observation and change management after implementation of services on production.
  • Provide support for the Mediation flows configuration and definition of major data processing steps.
  • Development of technical documents including Standard operating procedures, troubleshooting guides
  • Derivation of trends in performance from statistics as well as from customer complaints to provide long term solutions to problems identified.
  • Actively collaborate with other Business functions to understand their pain areas and come up with improvement plan.
  • Interface with the wholesale solutioning team in support of large or strategic opportunities, especially in the definition of SLAs to be provided.
  • Define SLAs and customer-specific reporting of this service, both internal (OpCos) and external end customers

Role Deliverables

  • Review and support the implementation of the design and operations business unit
  • Ensure optimization of the assigned billing applications to meet IT KPIs and customer expectations.
  • Attain success rate and billing service availability KPIs
  • Support the delivery of invoicing as per agreed SLA.
  • Closure of audit items and attainment security and compliance KPIs
  • Tracking and monitoring of end-to-end service delivery and assurance across wholesale billing platforms.

Role Dependencies

  • IT delivery, design and operational functions
  • Inputs for strategy reports
  • Leading IT delivery business line

Job Requirements


  • BA or BSc degree (preferably in Engineering or Computer Science)
  • ITIL Certification


  • 3+ years in relevant experience in Billing and associated processes


  • Detailed knowledge on the international telecommunication infrastructure industry with regard Wholesale and exposure to latest industry trends and competitive landscape within the Bayobab footprint
  • Extensive experience working on Interconnect billing of platforms like TOMIA, CSG, iConX and in international wholesale billing operations.
  • Effectively manage billing processes to work efficiently within the business unit.
  • Desire to provide inputs for new product development and management.
  • High communication and presentation skills to efficiently manage partners, customers and colleagues within Bayobab business units.
  • Strong analytical skills to be able to execute market analysis, competitor landscape reports and customer monitoring.
  • Understanding of IT Service Management, a Certification in Technology Service Management (e.g. ITIL, CoBIT etc) is an advantage.
  • Possess problem solving skills and Work proactively across multiple cultures and languages within the Bayobab footprint countries.
  • Database Management Skills – Oracle, SQL server, MySQL, PostgreSQL, Hadoop
  • Shell scripting/Programming
  • Unix/ Linux System administration
  • Basic IP networking knowledge
  • Information Management
  • System Analysis, Design, and Integration
  • Effective oral and written communication skills
  • Project management skills


Responsibility towards:

  • Managers and General managers.
  • Internal stakeholders, Employees at all levels.
  • External stakeholders and service providers.
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