Ching-Yi Wang Email & Phone Number

Azusa, Ca

• Operational lead for BroadSoft TAS (BTAS) in the Business One Talk solution. Work with Engineering and Maintenance Engineering to routinely implement software patches and feature/firmware upgrades on production network elements (BTAS, Presence Server, and CM Proxy).• Work with Network Repair Bureau to resolve complex call routing issues for Enterprise customers.• Proactively monitor health of the Business One Talk systems using NetScout, IrisView, and SevOne. Collaborate with vendors and internal teams to resolve trouble tickets in a timely manner.• Assist provisioning team in resolving VoLTE for Business subscriber account issues.• Provide operational support/testing to network teams during firewalls, switches, or routers upgrades.• Create and maintain VoLTE for Business healthcheck document based on engineering recommendations.• Daily maintenance of BTAS, Presence Server, Evolved Communication Suite (ECS), Web Gateway, and CM Proxy in the production network.• Provided rotational Out-of-Hours, 24x7 support, including weekends and holidays.

Azusa, Ca

• Oversaw the MRF-Tones integration process in the Verizon Wireless VoLTE network and provided all necessary support to the equipment vendor to ensure successful system integration.• Performed Acceptance Testing and Baseline Verification Testing on the MRF-Tones and the CTS to identify and correct potential issues. • Worked with maintenance engineering to make sure the MRF-Tones and the CTS are compliant with the latest Configurable Parameter Customization document. • Audited the MRF-Tones nationwide to identify and correct any discrepancies among the sites.

Virtual Office

• Worked with development team to build and install the Relevance Fault Management solution software in both lab and production environments.• Developed Acceptance and Integration test cases for the Relevance solution based on system requirements. • Developed Method of Procedure (MOP) for each customized Relevance upgrade and integration.• Developed customized training materials on Alcatel Presence Server and provided two detailed training sessions to customer.

Plano, Tx

• Provided corrective and preventative maintenance support for Alcatel-Lucent Intelligent Network systems in live networks. • Provided technical and escalation support during outages to minimize revenue impacts to customers, followed by collaboration with development and engineering to produce Root Cause Analysis.• Worked with project management and development teams to ensure new products pass the Baseline Verification Test before field deployment. • Managed Assistance Request tickets and troubleshot complex issues on various technologies to resolve each ticket in a timely manner. Worked with project management and customers to ensure all AR tickets are up-to-date and resolutions are documented correctly. • Created solutions for every trouble identified on customer systems for learning opportunities and tracking purposes.• Interfaced with Third-Party Vendors to provide HW and SW support for customers. • Provided rotational Out-of-Hours, 24x7 support, including weekends and holidays.

Plano, Tx

• Worked with System Test to create Customer Acceptance Test Plans (CATP). Technical prime for new features such as Alcatel OmniSwitch 6850, CNAM, BICC, RJ11 Performance Counters, ODB Type 3, and Netra T2000 server.• Performed End-to-End GSM and UMTS regression/patch verification tests at the customer lab. Configured and provisioned the MSC and MGW necessary to correctly validate the test cases. • Troubleshot and collected appropriate call-flows using GeoProbe/Single Call Trace/WireShark/Agilent protocol analyzers to help development investigate any issues encountered during testing.• Integrated MGWs with a Netra T2000 based MSC into a customer network during a First Office Application project. Performed alarm analysis and monitored network for potential issues after cutover of live traffic.• Led and conducted a training workshop on Alcatel OmniSwitch 6850 for the customer.• Resolved Assistance Request tickets opened in the customer lab by analyzing message traces and call server logs to determine the root cause and possible fixes.

Plano, Tx

• Routinely implemented critical software upgrades or configuration changes on customer networks carrying live traffic during the maintenance window. Network environments encompass GSM, UMA, and UMTS technologies. Systems upgraded include wireless call servers, wireless media gateways, and security gateways.• Troubleshot any critical issues that may have had occurred during the upgrade process through timely coordination and collaboration with Technical Assistance Center. • Streamlined the software upgrade process in a major service pack upgrade by thoroughly and repeatedly testing the MOP and making necessary corrections.• Developed and revised the official patch installation MOP on an ongoing basis.• Traveled to customer labs for on-site support. Captured traces and resolved daily site issues as needed.

Master'S Degree, Telecommunications Engineering

Bs, Electrical Engineering