WHWalter Alexander Preza Hernandez
@walteralexanderpreza
Customer service and technical support specialist with strong telecom and satellite expertise.
El SalvadorWhat I'm looking for
I am a dedicated customer service professional with extensive experience in technical support, telecom, satellite services, and loyalty/retention. I bring strong communication skills in both English and Spanish and a proven track record assisting customers via phone and chat.
My background includes roles as a Technical Support Agent and Loyalty and Retention Agent where I managed prepaid/postpaid queries, opened technical tickets, handled warranty and BTS/SIM-swap issues, and supported IP phone, streaming, satellite and internet services.
I am driven, work-focused, and passionate about resolving customer problems efficiently; I leverage advanced computer and Excel skills, 40 WPM typing, and formal English training to deliver consistent, high-quality support.
Experience
Work history, roles, and key accomplishments
Technical Support Agent
Teleperformance
Feb 2023 - Jun 2025 (2 years 4 months)
Provided English-language technical support for prepaid and postpaid wireless services, opened tickets for technical issues and warranty claims, and assisted customers with SIM swap and BTS-related problems. Completed Advanced English course and maintained high-quality chat and phone support.
Loyalty and Retention Agent
Concentrix
Aug 2019 - Dec 2022 (3 years 4 months)
Handled loyalty, retention and winback processes for customers across IP phone, streaming, satellite and cellphone services, and provided technical support for internet and satellite issues. Assisted with billing/payment inquiries when requested.
Travel Agent
Sykes El Salvador
Mar 2017 - Aug 2019 (2 years 5 months)
Managed hotel, airline and car reservations, processed date changes, cancellations and refunds, and resolved customer complaints related to travel bookings. Provided Spanish-language customer service for booking and no-show cases.
Education
Degrees, certifications, and relevant coursework
Instituto Tecnico Ricaldone
High School Diploma, High School
Completed high school at Instituto Tecnico Ricaldone with focus on technical and customer service related skills.
Availability
Location
El SalvadorAuthorized to work in
Job categories
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