• Designed, implemented, and supported network security solutions in customer data centers.
• Developed and implemented firewall policies to enforce security controls, mitigate risks, and ensure compliance with organizational security policies and industry standards.
• Utilized VLANs, ACLs, and other network security technologies to enforce least privilege access principles and minimize the attack surface
• Conducted network migration projects to Azure Cloud using VLAN extension.
• Provided consultancy to other customers to enhance their network security posture.
• Identified and addressed network security issues to prevent potential hacker attacks.
• Assisted customers as a Senior Consultant specializing in Cisco and Palo Alto, deploying optimal solutions for their infrastructure and security networks.

• Led complex projects in designing and implementing security, network, data center, and cloud solutions for internal customers.
• Performed regular firewall rule reviews and optimizations to enhance security posture and streamline network traffic.
• Leveraged routing and switching with protocols such as OMP, OSPF, EIGRP, BGP along with F5 load balancers.
• Designed, implemented, and maintained access control mechanisms to regulate network traffic and prevent unauthorized access to sensitive resources.
• Implemented NAT solutions to overcome IPv4 address exhaustion and optimize IP address allocation in complex network environments.
• Collaborated with internal bank teams to migrate networks to AWS Cloud.
• Implemented projects to establish connections between private and public clouds.
• Enhanced security projects to support Bring Your Own Device (BYOD) implementations.

• Specialized in security, routing and switching, and data center solutions, delivering key projects for major customers.
• Conducted proof of concept (POC) deployments for Cisco ISE 2.x in customer environments.
• Deployed and supported data center and security solutions for financial institutions.
• Provided consultation on network and security enhancements for leading banks in Brazil.

• Deployed Cisco Security Solutions as a Consultant for the Rio 2016 Olympic Games, including ISE, SourceFire, ASA, and ACS, following Cisco best practices.
• Led the Cisco ISE implementation for major Brazilian banks and Petrobras.
• Developed and documented high-level design (HLD) and low-level design (LLD) documentation for Cisco security solutions.
• Conducted a Cisco ISE NAC project for a prominent Brazilian bank.
• Executed security proof-of-concept (POC) implementations for oceanic connections and security management at Petrobras.
• Provided ongoing support for security environments during the Rio 2016 Olympic Games operations.

Rio 2016 Cisco Security Solutions (Jan 2015 - Aug 2016)

• Collaborated with Cisco Systems/VisionIT to deploy Cisco security solutions (ASA, SourceFire, ISE) for the Rio 2016 Olympic Games.
• Developed and implemented best practices documentation (HLD, LLD, NIP, NNP) for security solutions, ensuring robust and secure network infrastructure during the event.

Tim Brazil Backbone Upgrade - Cisco CRS3-16 Platform (Feb 2011 - Sept 2011)

• Engaged with Italtel in Tim Brazil's backbone upgrade project, transitioning core and peering routers to the new Cisco CRS-3 platform.
• Led the initiative to replace all core IP equipment in the National Multiservice IP Network with Cisco® CRS-3 Carrier Routing Systems, enhancing network performance and capacity for TIM.

• Led a team of 10 engineers in a $16 million upgrade of a Service Provider backbone to Cisco CRS-3-16 and ASR9K platforms, including POC and documentation development.
• Served as Technical Leader and Pre-sales for Security and Datacenter projects totaling $56 million.
• Managed a team of 6 engineers in a $9 million Service Provider Data Center and Cloud solution using Cisco UCS, Nexus switches, and ASR routers.

• Developed network design and architecture, including MPLS, security, IP routing, and load balancing.
• Prepared trial test plans and organized trial test platforms to demonstrate technical solutions to customers.
• Implemented backbone upgrades for Embratel Service Provider using Cisco router platforms like CRS-1, GSR 12000, 7600, and Cisco switch platforms like 6500.
• Implemented security solutions for Light Energy Company using Cisco ASA platforms.

• Implemented Cisco network migrations and security solutions (FWSM, IDSM) at CEMIG energy company.
• Implemented comprehensive Cisco security solutions (ASA, IPS, FWSM, IDSM, NAC) at CSN (Companhia Siderúrgica Nacional - Brasil).
• Led the network migration project for Rede Globo Television, implementing 802.1X, OSPF routing, and GLBP redundancy.
• Collaborated with Cisco to assess Vivo's network backbone for VoIP integration and achieve fast convergence for voice traffic.
• Installed Cisco CSS load balancers at BR Distribuidora.
• Implemented and managed project networks, provided customer support, and assisted with pre-sales activities.

• Implemented and managed project networks, provided customer support, and assisted with pre-sales activities.
• Led the network migration project for Rede Globo Television, implementing 802.1X, OSPF routing, and GLBP redundancy.
• Implemented Cisco network migrations and security solutions (FWSM, IDSM) at CEMIG energy company.
• Implemented comprehensive Cisco security solutions (ASA, IPS, FWSM, IDSM, NAC) at CSN (Companhia Siderúrgica Nacional - Brasil).
• Collaborated with Cisco to assess Vivo's network backbone for VoIP integration and achieve fast convergence for voice traffic.
• Installed Cisco CSS load balancers at BR Distribuidora.
• Implemented and managed project networks, provided customer support, and assisted with pre-sales activities.

• Developed and tested projects to improve service provider network products.
• Managed projects involving configuration of xDSL environments connected with RMS Network through MetroEthernet.
• Configured and tested QoS profiles for data, voice, and video over various link speeds.

• Provided 3rd level technical support and pre-sales support.
• Presented and implemented network projects using Cisco, 3COM, Microsoft, Nortel Networks, Juniper, and Check Point/Nokia firewall solutions.
• Configured carrier-grade Cisco routers and supported network deployments.