Ricardo C.

Back-end and Systems Engineer

Senior Cloud Analyst
12/1/2021 - 7/1/2023

Developed applications for service automation on AWS, managing several hundred accounts. Created security lambdas for user management, including roles, policies, and access keys, and lambdas for managing AWS Health organizational events, AWS Trusted Advisor organizational, security group locks, and monitoring key usage. Developed tools for addressing issues identified in the Trusted Advisor Organization (Quicksight TAO). Designed a Python application to mitigate abuse and attacks on services using IPTables, NGINX Plus, and NGINX OpenSource. Acted as a troubleshooter for client instances running Linux operating systems.

Senior Cloud Analyst
12/1/2020 - 9/1/2021

Developed applications for automating services on AWS, managing dozens of accounts. Created security lambdas for security group locks, IAM key management, and monitoring key usage, alongside tools for correcting faults identified in Trusted Advisor Organization (Quicksight TAO). Engineered CLI tools for generating temporary tokens with Single Sign On authentication, as well as CLI tools for tag management and performing bulk changes.

Mid-Level Systems Engineer
11/1/2008 - 6/1/2020

Administered and managed email services for UOL, BOL, ZIPMAIL, Folha, and UOLHOST, overseeing more than ten million accounts. Played a crucial role in planning and executing the migration of the entire UOL email service to AWS. Contributed to the UOL Group's specialist squad focused on protecting email services against abuse, cyber attacks, and fraud.

Systems Analysis at University of Ribeirão Preto
1995 - 1999