Experience

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  Carrefour

  Apr 2002 - May 2005

  Information technology assistant

  Experience:• Analyzed and managed the operational processes of the sales manager system (Calypso / Unisys), ensuring smooth functioning and efficiency.• Oversaw the technical management of the storage manager system (RMS Retail), ensuring optimal performance and effective inventory management.• Conducted in-depth analysis and provided technical management for centralized inventory processes utilizing palmtops (data collectors).• Evaluated and determined stock replacement needs based on comprehensive analysis and inventory assessment.Additionally, actively participated in a significant project involving the implementation of the Centralized Inventory system using RF technology. This project spanned multiple Carrefour and Champion stores located in the states of Rio de Janeiro and Espirito Santo. Show less

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  Prezunic supermercados

  May 2005 - Jul 2009

  Information technology support technician

  Responsibilities: • Coordinating infrastructure activities. • Implementing and maintaining structured network systems. • Monitoring systems to ensure their smooth operation. • Monitoring data links for efficient data transmission. • Monitoring voice links to ensure seamless communication. • Providing support to the local ICT team.

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  Alumini ingenieria

  Aug 2010 - Oct 2015

  Network infrastructure technician

  Responsibilities:• Installed and maintained data network infrastructure, ensuring optimal performance and connectivity.• Conducted regular maintenance and organization of cabling networks to guarantee efficient data transmission.• Assisted in the deployment and support of voice networks, ensuring smooth operations.• Assembled and organized data centers, ensuring proper equipment installation and cable management.• Successfully mounted and supported fiber optic networks to facilitate high-speed data transmission.• Installed and provided infrastructure support for CCTV systems, ensuring effective surveillance.• Managed the installation and maintenance of structured cabling systems, meeting industry standards.• Oversaw the mounting and support of wireless link infrastructures, enabling seamless connectivity.• Provided support for L1/L2 operations, troubleshooting network issues, and ensuring network stability.• Operated test equipment to conduct physical network analysis and diagnose network-related problems.• Maintained accurate documentation of network data, specifically related to structured cabling.• Collaborated with Help Desk teams, offering technical assistance and support to resolve network issues. Show less

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  Atos it solutions and services a/s

  Apr 2016 - Sept 2016

  Senior network analyst

  Responsibilities:• Managing and overseeing administration, deployment, changes, tasks, and troubleshooting in LAN/WAN/WLAN networks.• Providing support and assistance to S2 support teams in resolving user issues.• Ensuring network security measures are implemented and maintained effectively.• Assisting in the installation and expansion of local networks.• Playing a key role in network administration for the Rio 2016 Summer Olympics project conducted by Embratel.

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  Mundivox communications

  Sept 2016 - now

  Management of UTM solutions from Fortinet and WatchGuard manufacturers, with a focus on best security practices. I perform the initial configuration and necessary adjustments to ensure that the solution is suitable for the customer's network, providing consultancy on essential cybersecurity tools such as Application Control, Web Blocker, Reputation Enabled Defense, Botnet Detection, Spam Blocker, Threat Detection, among others, mitigating cyber risks to make internet browsing and data transmission as reliable and secure as possible.I provide guidance, support, and implementation of various security features, including VPN Site-to-Site, VPN Client-to-Site, SD-WAN, among others, aiming to preserve the confidentiality, integrity, and availability of connections for companies across various sectors.I also participate in the pre-sales process, assisting in the dimensioning of UTM equipment and providing technical support to design cybersecurity solutions for WatchGuard and Fortinet manufacturers.The administration of WatchGuard and FortiGate UTM systems is carried out following best practices to achieve cybersecurity goals. Show less Experience:Network Configuration and Troubleshooting:- Proficient in configuring and troubleshooting networks at level 3.- Skilled in administering Cisco and Huawei devices for pre-aggregation and access level routing.Equipment Administration:- Managed a diverse range of equipment, including Cisco, Huawei, Raisecom, DCN, Watchguard, Mikrotik, and ADSL, to support clients.- Responsible for the administration, configuration, and troubleshooting of these devices to ensure optimal network performance.By leveraging my expertise in network configuration and troubleshooting, I have successfully administered and optimized networks at level 3. I have also demonstrated proficiency in managing various equipment from leading vendors like Cisco, Huawei, and others, to meet the specific requirements of clients. Show less Experience:As part of the Provisioning team, I played a key role in ensuring technical quality in the installation of new clients across a wide range of contracted services:• Dedicated Internet Access: I collaborated on the deployment of essential business services that require symmetric bandwidth and high performance. Utilizing Ethernet technology to provide flexibility and capacity, meeting diverse speed requirements and guaranteeing 100% of the contracted bandwidth.• Point-to-Point Communication Service (P2P): I contributed to interconnecting company branches, prioritizing high-speed and secure transmission of information. Using a fully fiber-optic-based topology, ensuring the highest level of service available in the market.• Advanced Multipoint Communication Solution (P2MP): I contributed to the interconnection of company branches with superior speed and security. This solution involved configuring routers at each endpoint, providing greater flexibility and control over data routing.• Edge Security with UTM (Unified Threat Management) Solution: I led the implementation and initial configuration of this solution within the Provisioning team, which represents the first and most important line of defense against virtual risks and threats in a network. I provided management and support to ensure enhanced security, performance, granularity, connectivity, and visibility of the network and users, significantly strengthening the overall security posture.Technical aspects such as routing, switching, and networking security were essential to the success of the projects.The projects were implemented with a commitment to meet the high standards set by the company. Show less

  • Cyber Security Analyst

    Apr 2019 - now

  • Telecommunications Network Analyst

    Oct 2018 - Apr 2019

  • Telecommunications Network Operator

    Sept 2016 - Oct 2018