Mobile Network Operator International Roaming Expert  

Role and Context

Key Experience

• Manage and develop relationships with international roaming partner operators, owning the full lifecycle of the agreements.
• Negotiate, draft and maintain roaming agreements (AA.12 / RAEX, IOT ? Inter-Operator Tariff, discount agreements) and manage the related signing and update process.
• Manage the relationship with international connectivity and signaling providers (IPX/GRX carriers, roaming hubs, SS7/Diameter signaling providers), including selection, contracting and SLA monitoring.
• Coordinate the opening of new roaming relationships and testing (IREG for the technical voice/data part, TADIG for the billing and data-exchange part).
• Oversee the exchange of files and documentation between operators: TAP/RAP (Transferred/Returned Account Procedure), NRTRDE (Near Real Time Roaming Data Exchange), RAEX (IR.21, IR.85, IOT), and the related clearing and reconciliation processes.
• Ensure compliance with applicable regulations and standards (e.g. GSMA, EU roaming regulation ?Roam Like At Home?, and any local regulation), overseeing regulatory impacts on the business.
• Manage the relationship with data and financial clearing houses and hub providers, monitoring billing, disputes and reconciliations.
• Analyze roaming performance (traffic, quality, revenue, cost, margin) and define optimization strategies for tariffs, steering of roaming and fraud management.
• Interface with internal functions (Network, IT/BSS, Finance, Legal, Wholesale, Marketing) to ensure delivery and evolution of the service.

Required Skills and Experience

• Multi-year experience in a roaming / wholesale roaming role within a mobile operator (or at a hub/IPX provider), with proven direct management of relationships with international operators and carriers.
• In-depth knowledge of the international roaming business: commercial models, value chain, tariff mechanisms (IOT, wholesale), steering, settlement and clearing.
• Thorough knowledge of GSMA standards and procedures: RAEX/IR.21, AA.12, TAP/RAP, NRTRDE, BCE, IREG and TADIG processes.
• Knowledge of the international and European regulatory framework for roaming.
• Solid understanding of the Network and IT aspects supporting roaming: 2G/3G/4G/5G architectures, network elements involved (HLR/HSS, UDM, MSC, SGSN/GGSN, MME, S/PGW, UPF, SMF, DRA, STP), SS7/SIGTRAN and Diameter signaling, IPX/GRX networks, SMS interworking, VoLTE roaming (S8HR/LBO) and 5G roaming (SEPP).
• Knowledge of the supporting BSS/OSS systems (mediation, rating/charging, wholesale billing, clearing systems, TAP processing, fraud management, steering systems).
• Negotiation skills and experience managing contracts and relationships with international counterparts.
• Strong analytical, problem-solving and cross-functional coordination skills.
• Fluent English (written and spoken) and at least some Italian knowledge is mandatory. Availability for international travel and participation in industry events/working groups (e.g. GSMA, bilateral partner meetings).