Summary
Overview
Work History
Trainings
Timeline
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Denis Da Silva Pereira

Barueri,SP

Summary

Senior Network Engineer with extensive experience in designing and implementing sophisticated network infrastructures for data centers and ISPs. Specializing in network automation, developed and deployed scalable network APIs utilizing FastAPI, containerized environments, and Nginx as a proxy. Expertise spans advanced routing protocols, including MP-BGP, OSPF, and ADVPN, as well as VPN technologies and redundancy protocols such as VRRP, HSRP, and STP. Proficient in programming design patterns like Facade and Factory Method, applied to create maintainable and efficient automation solutions. Focused on leveraging automation to optimize network performance, streamline operations, and enhance overall network management. Favoring a multi-vendor network automation architecture with Netmiko and the Design Pattern Factory, ensuring a scalable and user-friendly library.

Overview

8
8
years of professional experience

Work History

Senior Network and Automation Engineer

Latitude.sh LLC
05.2024 - Current
  • Designed and implemented advanced network infrastructure solutions to support Bare Metal Cloud Services, ensuring high availability and scalability.
  • Diagnosed and resolved complex network issues, minimizing downtime and optimizing performance.
  • Monitored network performance and capacity, identifying areas for improvement to enhance operational efficiency.
  • Collaborated closely with development, operations, and network operations teams to ensure the network infrastructure met all technical and business requirements.
  • Provided guidance and mentorship to the team, promoting best practices in network design, implementation, and maintenance.
  • Played a key role in the planning and execution of network-related projects, contributing to the company’s strategic initiatives.
  • Documented network designs, configurations, and procedures to ensure consistency and support future growth.
  • Developed a network automation architecture using Python, leveraging tools like Netmiko, Netconf, and design patterns such as Factory Method and Facade.
  • Created an API for the network automation architecture, enabling seamless integration with the platform team to streamline customer deployments and improve developer interaction with the network infrastructure.

Senior Network Analyst

Scala Datacenters
12.2020 - 05.2024
  • Delivered high-performance networking solutions in datacenter environments, utilizing Nexus equipment and protocols such as BGP, OSPF, FHRP, and STP.
    Conducted traffic engineering analysis to optimize inter-AS routing using BGP parameters like AS-path prepend and local preference adjustments.
    Managed activation and configuration of DDoS services using Netscout Sightline and TMS tools, overseeing both active and cloud-based mitigation strategies.
    Collaborated with vendors to design and implement VXLAN networks on Juniper equipment, successfully migrating from Cisco Nexus VDC/VPC topology to VXLAN, enhancing network scalability and flexibility.

Senior Network Analyst

America Net
02.2017 - 12.2020
  • Analyzed and resolved incidents in the level 2-3 service provider’s WAN backbone, ensuring stable performance in metro networks utilizing OSPF, MPLS, and L2VPN.
  • Facilitated clear communication between the network engineering team and L1 network team, optimizing operational workflows and incident response.
  • From the second year onwards, took charge of the data center network, overseeing switching, IP networking, and the virtualization infrastructure with vCenter/vSphere and ESXi.
  • Managed routing between new ISPs and internal data center customers, while supporting network automation initiatives to enhance operational efficiency.

Trainings

  • LATAM NCAA & NCWA, NSFocus (MAY 2020 - JUNE 2020)
  • Linux LPI - Administration, Impacta Tecnologia (JUNE 2017 — JULY 2017)
  • CCNA Routing & Switching v4.0, Instituto Técnico de Barueri Professor Munir José (JANUARY 2012 - DECEMBER 2014)

Timeline

Senior Network and Automation Engineer

Latitude.sh LLC
05.2024 - Current

Senior Network Analyst

Scala Datacenters
12.2020 - 05.2024

Senior Network Analyst

America Net
02.2017 - 12.2020

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Denis Da Silva Pereira