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Led nationwide CSG Singleview BSS/OSS operations spanning Billing, Rating, Admin, Mediation, CRM, Order Management, Provisioning, and Revenue Assurance — ensuring SLA-driven governance, accuracy, and system reliability
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Directed the complete billing lifecycle — including Bill Runs, Pre/Post-Bill execution, Re-Rating, Adjustments, and Invoice Generation — achieving 99.9% accuracy with strong UAT and configuration management in Tuxedo and Singleview environments
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Integrated Singleview with CRM, Mediation, and Finance systems, ensuring seamless data flow, process consistency, and scalable system design across enterprise platforms
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Administered and designed Tuxedo middleware environments — installation, configuration, domain management, CPU optimization, performance tuning, and recovery — maintaining high-availability billing services and transaction integrity
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Defined, designed and optimized configuration frameworks for tariff models, rating logic, discount rules, and billing parameters, aligning solution design with evolving business and product requirements
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Engineered and designed high-performance automation frameworks using Perl, Shell scripting, and Oracle PL/SQL, integrating APIs and cron-based schedulers to cut manual effort by 80% and accelerate billing completion
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Owned UAT and production delivery governance, validating complex billing, re-rating, and invoice scenarios while ensuring patch stability, SLA adherence, solution integrity, and system continuity across releases and upgrades
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Developed XML-based invoice automation and delivery systems (Email, SMS, Print) — improving customer billing turnaround time and accuracy by 75%
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Supervised and mentored nationwide solution delivery billing teams, managing resource allocation, shift operations, technical design reviews, validation, and support for CSG Singleview Admin, Rating, Billing, and UAT Hot Fixes
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Served as Enterprise Architect & Billing Manager, leading system optimization, architecture governance, automation strategy, and cross-functional coordination for seamless end-to-end telecom billing operations