Aye Myak Thwe
Engineer, Billing Mediation System
Summary
Analytical and detail-driven professional with 9 years of experience in telecommunications, specializing in system analysis, data validation, and end-to-end service assurance. Skilled in analyzing business and system requirements, coordinating technical deployments, revenue leakage mitigation, and operational improvement and identifying process and data gaps across large-scale telecom systems. Proven expertise in system reliability, CDR integrity, and charging validation with a deep understanding of GSM and 5G core architecture. Adept at cross-functional collaboration, system troubleshooting, and rapid issue recovery, now transitioning into a DevOps Engineer role focused on CI/CD, cloud technologies, and infrastructure automation. Recently upskilled with a DevOps fundamentals and hands-on training with a strong foundation in DevOps principles and practices. Now seeking to apply system-level understanding and operational excellence to scalable DevOps environments. Eager to contribute to a dynamic team and leverage my skills in cloud computing, CI/CD pipelines, and automation to optimize software delivery and enhance system reliability.
Overview
10
10
years of professional experience
Work History
Engineer, Billing Mediation System
Singtel
02.2020 - Current
- Managed billing procedures, system integration, and functional testing to ensure correct revenue management, technical delivery, and the formulation of new business processes to improve system performance.
- Oversee and carry out detailed billing record verifications and charging acceptance testing to ensure the system meets all requirements and performs reliably.
- Managed project coordination, including implementation, charging verification, and testing across departments and systems, ensuring timely and successful completion.
- Emphasized change management, incident resolution, and continuous process improvement to ensure SLA standards, and operational excellence.
- Worked as a liaison between vendors and internal teams, ensuring alignment with business objectives, and managing vendor relationships to create end-to-end solutions.
- Provide technical support by performing root cause analysis and resolving complicated system issues, with minimal disturbance to operations.
- Coordinate and perform quick recovery actions and restoration of the systems in the event of failure.
- Identified and implemented new standards and processes to improve operational efficiency, and eliminate manual effort.
- Collaborated with product, business, and downstream for the development and implementation of innovative charging strategies.
Revenue Assurance Specialist
Ooredoo
06.2015 - 01.2020
- Identified areas of potential revenue leakage and built controls over the entire value chain to maximize company profitability.
- Minimizing revenue losses, and finding network-related leakage and product development leakage.
- Building and analyzing different preventive and detective revenue assurance controls, and RA KPI monitoring.
- Revenue assurance operational, incident, and management reporting, an identification of problems, and recommendations on improvement through procedures and workflows.
- Investigated KPI breaches, identified discrepancies, and worked with IT and network teams to resolve them.
- Developed and executed risk management strategies and control settings for new products.
- Monitored systems and processes to ensure CDR integrity, accurate billing, and validation of new product plans.
- Implemented controls for the products and services to reduce risks and improve customer satisfaction.
- Identified and addressed business risks and procedural gaps in revenue generation processes, tracing root causes.
- Documented daily issues and revenue leakages, using a RA Tracker for accurate month-end reporting.
Education
Certification - Post Graduate Program in DevOps
Centre For Technology & Management Education
02-2024
Bachelor of Science - Information Technology
University of Greenwich
04.2001 -
Skills
Data Analysis: Data mining, validation, KPI reporting, CDR inspection
undefinedTimeline
Engineer, Billing Mediation System
Singtel
02.2020 - Current
Revenue Assurance Specialist
Ooredoo
06.2015 - 01.2020
Bachelor of Science - Information Technology
University of Greenwich
04.2001 -
Certification - Post Graduate Program in DevOps
Centre For Technology & Management Education
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<ul><li>Resolved complex post-cruise billing disputes involving missed services, onboard charges, and fare inconsistencies—often coordinating with payment processors and internal teams.</li><li>Handled credit card chargebacks by collecting transaction records, compiling evidence, and submitting documentation to support dispute reversals.</li><li>Tracked dispute outcomes, updated CRM systems, and ensured timely reimbursements, credits, and adjustments.</li><li>Served as SME for GEM (Guest Experience Management) system, training peers in escalation handling and dispute logging.</li><li>Maintained detailed notes and financial records for compliance, arbitration, and guest communication.</li><li>De-escalated high-level customer concerns through strategic communication and timely, fair resolutions.</li><li>Participated in process reviews to recommend improvements in the chargeback lifecycle and post-service handling.</li></ul> at Costa Cruise Lines<ul><li>Resolved complex post-cruise billing disputes involving missed services, onboard charges, and fare inconsistencies—often coordinating with payment processors and internal teams.</li><li>Handled credit card chargebacks by collecting transaction records, compiling evidence, and submitting documentation to support dispute reversals.</li><li>Tracked dispute outcomes, updated CRM systems, and ensured timely reimbursements, credits, and adjustments.</li><li>Served as SME for GEM (Guest Experience Management) system, training peers in escalation handling and dispute logging.</li><li>Maintained detailed notes and financial records for compliance, arbitration, and guest communication.</li><li>De-escalated high-level customer concerns through strategic communication and timely, fair resolutions.</li><li>Participated in process reviews to recommend improvements in the chargeback lifecycle and post-service handling.</li></ul> at Costa Cruise Lines