Sabrina A

Senior Roaming Specialist

Jan 2024 - Dec 2025 • 1 yr 11 mos

·       Led end-to-end settlement operations and partner coordination for 600+ international telecom entities, ensuring seamless daily transaction processing across global networks. ·       Managed monthly financial reconciliation, accrual validation, and multi-currency settlement matching using advanced Excel models, improving ledger accuracy and proactively resolving financial variances. ·       Directed operational readiness, UAT testing, and launch execution for 200+ annual roaming and platform deployments, ensuring zero post-launch service disruption. ·       Reduced operational exceptions by 90% through automation of issue tracking, workflow validation, and escalation management processes. ·       Led cross-functional operational task force initiatives across Finance, Risk, Technology, and Customer Care, reducing legacy operational bottlenecks by 67%. ·       Monitored roaming traffic, transaction flows, and financial processing volumes through NextGen and RoamSys platforms to maintain SLA compliance and operational continuity. ·       Investigated transaction incidents and recurring system anomalies through BMC Remedy, conducting root-cause analysis to strengthen service stability and prevent repeat failures. ·       Boosted operational revenue performance to 2% above AOP targets through disciplined execution of Digital Interconnection (DIOT) commercial frameworks. ·       Coordinated audit documentation and ensured compliance with TRA regulations, contractual obligations, and internal governance standards. ·       Led end-to-end design, testing, and implementation of VoLTE roaming services following 2G/3G network sunsets in key markets including the USA, ensuring uninterrupted roaming continuity for subscribers. ·       Leveraged Voice of Customer (VoC) analytics and service performance data to identify roaming experience gaps and support targeted customer experience improvements. ·       Managed roaming settlement, reconciliation, and invoice val

Roaming Specialist

Mar 2011 - Jan 2024 • 12 yrs 10 mos

·       Led coordination of international roaming operations across technical, commercial, finance, and customer support functions. ·       Supported roaming agreement negotiations and coordinated commercial alignment activities with international GSM operators. ·       Managed roaming testing schedules, commercial launches, and operational readiness planning for new partner activations. ·       Prepared roaming business cases, operational analysis reports, and financial provisioning documentation to support commercial decision-making. ·       Worked closely with pricing and commercial teams to optimize roaming pricing structures and improve customer affordability across key destinations. ·       Handled operational escalations, service continuity issues, and cross-functional coordination to ensure timely issue resolution and partner satisfaction. ·       Coordinated onboarding and implementation activities for international roaming partners, ensuring compliance with operational and technical requirements. ·       Supported roaming service expansion initiatives through traffic analysis, partner coordination, and launch execution activities. ·       Led roaming operations, commercial coordination, partner relationship management, settlement activities, operational reporting, and cross-functional collaboration with Finance, IT, Customer Care, and international operators.