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martin_sergio

Sergio L

@martin_sergio

IT Support Specialist

United States
English, Spanish
About me
I am an IT Support Specialist with hands-on experience delivering onsite and remote technical support across Windows environments. I am bilingual in English and Spanish.... Read more

Skills

m
martin_sergio
Sergio L
Offline • 

See my services

Technical Support
I will provide remote desktop support and troubleshooting
From$20 / projectMore details

Work experience

Pitney_Bowes

Field Systems Specialist

Pitney Bowes

Jan 2024 - Feb 2026 • 2 yrs 1 mo

Configured Teltonika and OptConnect cellular routers, switches, and hubs to deploy internet connectivity for smart locker systems. Implemented SAML Single Sign-On (SSO) with Azure AD (Entra ID). Configured multi-factor authentication (MFA) using Okta and Microsoft Authenticator. Installed and configured Dell desktop workstations and Zebra/Brother label printers. Provided remote support using TeamViewer to install, configure, and troubleshoot software and printers. Delivered end-user and administrator training onsite and remotely via Microsoft Teams. Collaborated with client IT teams to whitelist required URLs and open necessary network ports. Performed onsite deployments at private companies, government facilities, and military bases. Installed SQL Server 2019 and SQL Server Management Studio for clients to interact with our software.

Freedom_Mortgage

Call Center Representative

Freedom Mortgage

Mar 2017 - Jun 2019 • 2 yrs 3 mos

Assisted customers with account creation and password resets for online payment portals. Guided users through website navigation and login troubleshooting. Provided professional phone-based customer support.