CHI H VO
Westminster
Summary
Senior Network Engineer with extensive experience at Verizon Wireless, specializing in vendor management and cross-functional collaboration. Demonstrated success in optimizing financial processes and enhancing operational efficiency. Expertise in data analysis and problem-solving, effectively resolving discrepancies and improving compliance through targeted communication and training. Committed to adapting quickly to new challenges while fostering strong relationships with clients and team members to drive team success.
Overview
25
25
years of professional experience
Work History
Sr Network Engineer
Verizon Wireless
09.2010 - 01.2026
- Served as primary contact for Network Cost Management team, overseeing invoice processing and financial reporting.
- Executed daily data uploads and tracked invoice payments for Expense Reduction Project.
- Streamlined audits to identify root causes of discrepancies in financial data.
- Conducted quarterly Sarbanes-Oxley compliance audits to assess risks to corporate assets.
- Managed interactions with internal engineers and Telco vendors regarding ASR orders for T1, DS3, ATM, Ethernet, and TDM.
- Ensured timely exchange of information with users and vendors, resolving technical issues during service activation.
- Supported third-party fiber and construction services bidding tools, including Transport eSourcing System and Quick Bid.
- Facilitated training sessions via WebEx for internal and external users.
- Collaborated with cross-functional teams to troubleshoot and resolve network issues.
- Developed documentation for network processes, configurations, and standards compliance.
- Managed multiple vendor relationships with service providers and hardware and software vendors.
- Created detailed documentation of the existing application processes.
- Provided assistance with escalated help desk tickets related to application issues.
Fixed Broadband Billing Analyst
iPass Inc.
07.2007 - 09.2010
- Managed end-to-end monthly billing and invoicing cycle for over 100 customers with diverse pricing structures.
- Generated detailed invoices to ensure transparency and accuracy in service charges.
- Served as primary contact for resolving customer billing issues, collaborating with sales, service delivery, and accounting.
- Participated in special projects, ad-hoc reporting, and financial analysis initiatives.
- Contributed to system implementation and automation of billing processes, enhancing operational efficiency.
- Analyzed and resolved billing discrepancies promptly to maintain customer satisfaction.
- Reviewed invoices for accuracy, ensuring compliance with company policies and procedures.
- Created invoices based on contracts and agreements received from clients.
Broadband Provisioning Manager
iPass Inc.
03.2004 - 06.2007
- Maintained process and contract documentation for assigned vendors to ensure compliance.
- Managed global network services provisioning processes for seamless connectivity solutions.
- Coordinated cross-functional teams to enhance service delivery and operational efficiency.
- Led training sessions on provisioning tools and best practices, improving team capabilities.
- Assisted in developing processes related to system provisioning activities for enhanced performance.
- Monitored inbound and outbound deliveries, addressing delays and issues proactively.
- Produced Vendor Discrepancy reports and collaborated with vendors for timely resolutions.
- Oversaw vendor queues, assisting team members to resolve problems and maximize efficiency.
Implementation Specialist
MCI
10.2002 - 01.2004
- Processed and submitted orders for telecom services, including Frame Relay and Dedicated Internet T1.
- Collaborated with order entry, provisioning, and CPE teams to streamline new installations.
- Managed scheduling of hot-cuts and circuit activations with customers.
- Maintained extensive product and service knowledge to achieve sales and customer satisfaction goals.
- Prepared final order documents, price quote requests, and necessary paperwork for customers.
- Tracked customer orders using various applications and tools to ensure timely fulfillment.
- Assisted account teams in developing product recommendations and proposals for customers.
Voice & Data Technician
Sprint
12.2000 - 02.2002
- Maintained Nortel and NEC PBX systems, including options 11, 61, and 81.
- Executed Moves, Adds, and Changes for user configurations.
- Managed users’ phone directory to ensure accuracy and accessibility.
- Collaborated with vendors like ATC, Nortel, NEC, and Verizon to resolve reported issues.
- Supported procurement of telecommunication equipment, including hubs and telephone sets.
Education
Bachelor of Business Administration -
Strayer University
Irvine, CA12-2021
Telecommunications Engineering Technology Degree -
Southern Alberta Institute Of Technology
Canada04-2000
Electronics Technician Certificate -
Southern Alberta Institute Of Technology
Canada04-1999
Skills
- Vendor management and relationship building
- Cross-functional collaboration
- Problem solving and process improvement
- Operational efficiency
- Effective communication
- Data analysis
- User credential management
Timeline
Sr Network Engineer
Verizon Wireless
09.2010 - 01.2026
Fixed Broadband Billing Analyst
iPass Inc.
07.2007 - 09.2010
Broadband Provisioning Manager
iPass Inc.
03.2004 - 06.2007
Implementation Specialist
MCI
10.2002 - 01.2004
Voice & Data Technician
Sprint
12.2000 - 02.2002
Bachelor of Business Administration -
Strayer University
Telecommunications Engineering Technology Degree -
Southern Alberta Institute Of Technology
Electronics Technician Certificate -
Southern Alberta Institute Of Technology