Roaming & Interconnect Billing Engineer
Salary not disclosed
Closes in 11 days
About the company
Digicel Fiji is part of Digicel Pacific, a telecommunications operator serving the region. The company runs an International Business - Carrier Services Team that manages wholesale roaming and interconnect relationships with other telecom operators.
About the role
This role sits within the International Business - Carrier Services Team at the Khalsa Office, reporting to the Head of International Business. The Roaming & Interconnect Billing Engineer is responsible for validating, processing, and reconciling roaming and interconnect usage data so wholesale partners are billed correctly and revenue leakage is prevented. The role covers usage data validation, billing generation and settlements, revenue assurance, partner reconciliation, dispute management, and ongoing system and process optimization. It also involves close coordination with Finance and Business departments on traffic reporting, policy, and partner agreements.
Key responsibilities
- Collect and validate CDRs (Call Detail Records), TAP/RAP files, and interconnect usage records
- Detect missing, duplicate, or inconsistent records before billing
- Produce invoices for roaming partners and interconnect carriers
- Support clearing, settlement, and dispute handling processes
- Identify rating, routing, or configuration errors that could cause under-billing or over-billing
- Perform reconciliations between switch/network traffic, mediation systems, and billing outputs
- Compare inbound/outbound traffic reports with partner operators and investigate billing disputes
- Improve billing rules, rating tables, and automation processes, and ensure compliance with wholesale agreements and regulatory requirements
About the successful candidate
- Bachelor's degree preferred but not mandatory; equivalent qualification in a relevant area of specialty accepted
- Minimum 3 years of working experience in Mobile Telecom, including at least 1 year in billing
- Fluency in English language, both spoken and written, is mandatory
- Strong experience in MS Office and Advanced Excel; SQL is a must
- Understanding of GSM/3G and LTE networks, and knowledge of IP network design, implementation and operations
- Knowledge of 3GPP recommendations for GSM/GPRS services and protocols
- Experience handling system configurations such as new roaming partner setup, General IOT, Special IOT, and new commercial launches (GSM/GPRS/3G/CAMEL)
- Experience monitoring CDR files (TAP, RAP, NRTRDE, MSC, SMSC, SGSN) and related statistic reports