Sandro Ribeiro Email & Phone Number

Montreal, Quebec, Canada

Acted as the Product Owner of Diameter to REST Bridge (DRB) project. Led cross-disciplinary teams to deliver the successful traffic migration of millions of customers to a cloud-based system, while ensuring seamless collaboration under tight deadlines- Designed and supervised tests across multiple environments. Led performance testing, improving the converged charging system (CHF) reliability, and keeping its response time below 10 ms- Influenced key decisions at the executive level… Show more Acted as the Product Owner of Diameter to REST Bridge (DRB) project. Led cross-disciplinary teams to deliver the successful traffic migration of millions of customers to a cloud-based system, while ensuring seamless collaboration under tight deadlines- Designed and supervised tests across multiple environments. Led performance testing, improving the converged charging system (CHF) reliability, and keeping its response time below 10 ms- Influenced key decisions at the executive level through comprehensive analyses of technological needs and vendor solutions- Authored high-level design (HLD) and low-level design (LLD) for DRB application detailing microservices flows, while ensuring a scalable, redundant and secure architecture Show less

Montreal, Quebec, Canada

Acted as Technical Lead of strategic projects. Successfully implemented real-time and offline charging systems, optimizing subscriber data rating process- Acted as an SME for critical core network systems like DRA, MME, PGW, PCRF, ensuring successful implementation- Standardized technical processes and trained operations teams, increasing their efficiency and autonomy in system management- Authored advanced technical requirements for 5G network systems (SMF, CHF), playing a key… Show more Acted as Technical Lead of strategic projects. Successfully implemented real-time and offline charging systems, optimizing subscriber data rating process- Acted as an SME for critical core network systems like DRA, MME, PGW, PCRF, ensuring successful implementation- Standardized technical processes and trained operations teams, increasing their efficiency and autonomy in system management- Authored advanced technical requirements for 5G network systems (SMF, CHF), playing a key role in drafting requests for proposals and defining strategic objectives Show less

Porto Alegre Area, Brazil

As a technical leader, managed network deployment and expansion projects.- Delivered projects on time and within budget, with measurable improvements in coverage and network capacity

Curitiba Area, Brazil

As a planning engineer, managed network expansions and optimizations of core network systems.- Increased network capacity and customer impacts by delivering expansions and optimizations on time

Curitiba Area, Brazil

Supervised a team of 30 field technicians responsible for operations of the cellular network in two states- Placed network availability of the states of PR and SC among the top three best performing states in Brazil

Curitiba Area, Brazil

Oversaw operations of cellular core network systems- Implemented monitoring and preventive maintenance procedures, reducing network interruptions and increasing critical system availability to 99.99%

Porto Alegre Area, Brazil

Oversaw operations of prepaid, voice-mail and SMS systems- Developed Unix Shell scripts for prepaid and voice-mail systems, reducing revenue lost, fraud, and risks of outage

Master'S Degree, Telecommunications, M.Sc. In Electrical Engineering

Activities and Societies: Telecommunications and Electronics Institute (IET) Technology Researching Center (CPTW) Research on cognitive.

Engineer'S Degree, Electrical Engineering, Electrical Engineer

Activities and Societies: English studies Final project (TCC): Development of a system for character segmentation of automobile license.

Associate'S Degree, Telecommunications Technology/Technician, Telecommunications Technician

www.ifsul.edu.br