Professional with over 25 years of experience in the Information Technology (IT) area, specialized in large-scale telecommunications networks, focusing on implementation, support and maintenance of GSM/UMTS, LTE, 5G networks and Core PS virtualization. With a solid background in Systems Analysis and a postgraduate degree in Computer Networks and IoT, I have worked on critical projects for large global telecommunications providers, offering high-level technical support and specialized consulting.During my professional career, I have acquired expertise in several areas, such as network infrastructure planning and management, hardware optimization, systems maintenance, and implementation of innovative solutions in highly complex environments. I have strong ability to work under pressure and in multicultural teams, with ease in adapting to new technologies and rapid changes in the work environment.Throughout my career, I have participated in important virtualization and network projects, with emphasis on my work as a High Touch Engineer at Cisco Brazil, where I was responsible for providing high-level technical support to large telecommunications operators in Latin America. In this role, I worked directly with Service Provider-class devices, such as the ASR5000 and ASR5500, as well as virtualized solutions such as VPC-DI and VPC-SI. My ability to manage complex projects, combined with my commitment to technical excellence, allows me to add significant value to the organizations I work for.I am passionate about technology and innovation, always seeking to improve my skills and face new challenges. My knowledge of emerging technologies, such as 5G and network virtualization, combined with my experience in large-scale projects, makes me a professional prepared to contribute to high-performance and innovative solutions in the telecommunications sector.
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High Touch Engineer - Via DynalogicCisco Sep 2022 - Sep 2024Campinas, São Paulo, Brasil• Technical Consulting Engineer position. The High-Touch Expert Care provides personalized, premium service with a wide range of benefits that collectively focus on a single objective: achieving desired operational outcomes. • Supporting Cisco's high profile Service Provider customers in Latin America in Portuguese, Spanish and English. • Daily exposition to Cisco Service Provider class devices - Packet core (ASR5000, ASR5500 , VPC-DI e VPC-SI) Interaction with other Cisco areas (Sales, Pre-Sales, Delivery, CX) regarding the customer projects and changes. -
Mobile Packet CoreNec Brasil (Nec Latin America Sa) Oct 2019 - Sep 2022São Paulo E Região, Brasil• Telefonica / Vivo - M2M Network Operation and Maintenance Contract, working in the area of operation, administration and maintenance (O&M) of Mobile Network (2G, 3G and 4G | IP | GPRS | EPC | and Virtualization) in Core PS / EPC , with emphasis on the configuration, alteration, support and troubleshoot of M2M / IOT VPN based on simple ROUTING, IPSEC and L2TP protocols.• I work with several equipment that are part of the scope: SGSN / MME / vUSN and GGSN / PGW / SGW / vUGW - baremetal and virtualized, network performance analysis, programmed interventions, systems implantation, configuration execution, analysis in case of failure in network and troubleshooting of Packet Core IPs and KPI monitoring. -
Platform CoordinatorSurf Telecom Dec 2017 - Feb 2019São Paulo E Região, Brasil• Coordinated local / international client support for deployment, support, maintenance and assistance to national and international projects in the PS Core area.• Mobile Network (2G, 3G and 4G and Virtualization) in PACO• Network Mobile to CORE - Packet Switch, SGSN / GGSN and LTE• Responsible for trainees working with:Service via WhatsApp, Active connections, Level 3 support (NOC and Portability) and Receptive service.
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Customer Support AnalystNokia Networks Oct 2008 - Sep 2016São Paulo E Região, Brasil• Expertise in large scale Network implementation, commissioning, support and maintenance projects for Global telecom service providers GSM/UMTS, LTE Core PS.• Experience in working with multiple teams (Ireland, Firland, Argentina, Chile, Bolivia, Ecuador and other) - different cultures.• Network implementation, support, maintenance and assisted operation projects for Global telecom service providers- Responsible for network configuration for Network Mobile to CORE - Packet Switch, SGSN/GGSN /Flexi ISN /Flexi NS /Flexi NG and LTE.• Easy working under pressure and in team workgroups, easy relationship and communication, willing to travel and to live in other countries and open mind for changes or new policies. -
Support NetworkIbm Brasil Jun 2007 - Sep 2008Sumare - Sp• Monitoring of Storage, Monitoring of link between IBM and location of the customer , Operation of Console, Operation / Tape, Networks Router -
It TeacherEte Bento Quirino - Campinas Jan 1997 - Jul 2006Campinas E Região, Brasil• Programming Logic; Business Management: Management Practices (ERP, CRM, Supply Chain Management, E-commerce, WMS); Electronic Technician: Circuit Design (Pspice, EWB); Computer Science (OS, Office, Internet) and Telecommunications: Basic Networks (OSI Models, TCP/IP, Network Masks, Structures Cabling).
Marcos Cornélio Education Details
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Iot Computer Networks -
Computer Systems Networking And Telecommunications -
Computer Systems Analysis
Frequently Asked Questions about Marcos Cornélio
What is Marcos Cornélio's role at the current company?
Marcos Cornélio's current role is Mobile Packet Core Specialist.
What schools did Marcos Cornélio attend?
Marcos Cornélio attended Universidade Estadual De Campinas, Universidade Federal De Lavras, Universidade São Francisco.
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Marcos Cornelio
Brazil -
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Marcos Cornelio de Mello
Guarulhos, Sp
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