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Casandra RubioCR
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Casandra Rubio

@casandrarubio

Customer support specialist at Tata Consultancy Services who resolved enterprise IT issues and documented troubleshooting guidance.

Spain
Message

At Tata Consultancy Services, I delivered Level 1 technical support for PEPSICO, resolving hardware, software, Microsoft 365, network, and access issues for global users while meeting SLA targets.

I diagnosed issues with tools including Active Directory, VPNs, TeamViewer, AnyDesk, and Remote Desktop. I also managed incidents through ServiceNow and Zendesk, created troubleshooting documentation, and escalated complex issues to infrastructure, cybersecurity, and engineering teams.

At Teleperformance, I supported AT&T and Cricket Wireless customers with billing, account management, wireless services, and technical troubleshooting. I also processed secure account transactions and recommended service plans, upgrades, and add-ons.

I actively use AI productivity tools to improve documentation, research, and workflow efficiency. My background also includes a Master in Graphic Design and Digital Marketing and a Degree in Communication and Audio Visual Arts.

Experience

Work history, roles, and key accomplishments

TS

IT Service Desk Analyst

May 2021 - Jul 2023 (2 years 2 months)

Delivered Level 1 technical support for 800–1,000 global users, resolving 200–300 support tickets daily involving hardware, software, Microsoft 365, network connectivity, and access-related issues while consistently meeting SLA targets. Diagnosed and resolved technical issues using Active Directory, Microsoft 365, VPNs, TeamViewer, AnyDesk, and Remote Desktop, minimizing downtime and restoring use

Teleperformance logoTE

Customer Support for AT&T and Sales and support agent Cricket Wireless

Dec 2019 - May 2021 (1 year 5 months)

Delivered high-volume customer support, managing 200–400 customer interactions daily related to billing, account management, technical troubleshooting, and wireless services while maintaining quality and efficiency. Processed billing requests and secure account transactions with a strong focus on accuracy and protection of sensitive customer information.

Education

Degrees, certifications, and relevant coursework

CI

CEI: Centro de Estudios de Innovación

Master, Graphic Design and Digital Marketing

2024 - 2025

Master in Graphic Design and Digital Marketing completed in January 2025.

IO

Instituto Tecnológico de Estudios Superiores de Occidente

Degree, Communication and Audio Visual Arts

2013 - 2017

Degree in Communication and Audio Visual Arts completed in May 2017.

Tech stack

Software and tools used professionally

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