guillermo vallejos
@guillermovallejos
Bilingual IT Support and QA professional with 10+ years in technical support, manual testing, and web development.
ArgentinaWhat I'm looking for
I am a bilingual IT Support and QA professional with over 10 years' experience across customer support, IT field operations, and manual testing for international and US-based teams. I bring practical troubleshooting skills, strong written and spoken English (C1), and a history of on-site and remote support covering large user bases.
I have hands-on QA experience including test case creation, UAT, and bug reporting for banking systems, plus enterprise-level support resolving analytics software issues. I have supported live educational platforms, managed remote home-office deployments during the COVID pandemic, and provided field support for 1500+ users.
Technically versatile, I develop small web apps and am currently building a CRM using Flask and SQLite; my toolkit includes ServiceNow, Jira, Active Directory, MySQL, PHP, HTML/CSS, basic Git and Postman, and network diagnostics. I pursue continuous learning through certifications and bootcamps to deliver reliable, user-focused technical solutions.
Experience
Work history, roles, and key accomplishments
VTProvide live session support and moderation for an educational platform, resolving technical issues for live and recorded sessions to maintain session quality and uptime.
Packaging Automation Operator
Tully's Totalhealth Pharmacy
Mar 2023 - Apr 2023 (1 month)
Operated packaging automation for medication distribution in a short-term assignment, ensuring accurate packaging and adherence to safety procedures.
Provided remote technical support for enterprise analytics clients, diagnosing and resolving software issues in English-only environments and ensuring customer satisfaction.
GLPerformed manual testing for banking systems (GNB Paraguay), authored test cases, executed UAT, and reported bugs to improve system quality and reliability.
IT Field Support
Apex America BPO
Aug 2017 - Apr 2021 (3 years 8 months)
Provided on-site IT support for 1500+ users including repairs, network setup, software deployments, and inventory control; coordinated remote home-office deployments during COVID.
Customer Support Representative
Apex America BPO
Aug 2012 - Aug 2017 (5 years)
Delivered phone and chat technical support for Cablevisión & Fibertel customers, resolving connectivity and service issues and maintaining high customer satisfaction.
Education
Degrees, certifications, and relevant coursework
MIMicroStrategy
Certification, Business Intelligence
2022 - 2022
Obtained ANL and MCA certifications from MicroStrategy in 2022.
ACAcámica
Certificate, Quality Assurance
2021 - 2021
Completed the QC Path program comprising 14 courses focused on quality control and testing in 2021.
GLGlobant
Certificate, Quality Assurance
2021 - 2021
Completed the QC Analyst Bootcamp focused on manual testing, test case creation, and UAT in 2021.
Universidad Tecnológica Nacional - Facultad Regional Resistencia
Certificate, Web Development
2020 - 2020
Completed a Web Development course covering HTML, PHP, and MySQL at UTN FrRe in 2020.
Informatorio Gobernación del Chaco
Certificate, Software
2020 - 2020
Completed Software Module 1 at Informatorio (Gov. Chaco) in 2020.
Availability
Location
ArgentinaAuthorized to work in
Job categories
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