Fagner Silva

Highly skilled IT Infrastructure Professional with over 10 years of experience in network management, infrastructure development, security, and cloud computing. Proven expertise in designing, implementing, and maintaining robust IT solutions. Adept at managing complex projects, troubleshooting technical issues, and delivering seamless IT services.

Committed to staying current with emerging technologies and best practices. Results-driven with a proactive approach to problem-solving, consistently delivering high-quality IT services in dynamic environments. Known as a resilient team player with a problem-solving mindset.

Effectively communicates and perseveres in dynamic environments, fostering adaptability and collaboration within diverse teams.

DevOps - Site Reliability Engineer - Siagri Sistemas de Gestão - Remote, Brazil

(2022-03)

• Design and deploy scalable, secure, and cost-optimized Cloud Infrastructure Architectures on AWS and Azure, aligning with business needs and best practices for high availability, resilience, and performance.
• Provision and manage multi-cloud infrastructure (Azure, GCP) with Terraform and Kubernetes (AKS, GKE) and VM's, reducing provisioning time by 60%.
• Optimize cloud costs by 30% through automation and resource rightsizing.
• Design and implement high-availability Load Balancing solutions, optimizing traffic distribution, improving application performance, and ensuring fault tolerance across multiple backend services.
• Administer and secure of Cloud Services on Microsoft Azure and Google GCP: API Management services, VMS, IAM, Databases, Azure App services, Web apps, Storage
• Automated application and API containerization by designing optimized Dockerfiles and integrating scalable CI/CD pipelines, improving deployment efficiency and build performance.
• Build and maintain CI/CD pipelines using Azure DevOps and Github Actions, significantly reducing deployment errors by 70%.
• Implement and monitor observability stacks (Prometheus, Grafana, ELK, Azure Monitor, Azure App Insights), improving incident detection and reducing fails
• Designed and implemented highly available PostgreSQL (HA) clusters, improving database performance and increasing reliability.
• Structure, implement, and maintain a secure, scalable, and compliant identity and access management strategy using Microsoft Entra ID and Azure DevOps. The goal was to ensure users and groups had the correct level of access to applications, resources, and CI/CD pipelines, without compromising security or productivity.
• Architect and implement secure cloud networking solutions, including VPNs, VPCs/VNETs, VNET Peering, Network Security Groups and gateways.
• I use SonarQube with OWASP10 rules for static code analysis and security testing, ensuring the identification and remediation of vulnerabilities throughout the development lifecycle.

Network and Infrastructure Analyst - Elian Ltda - Santa Catarina, Brazil

(2021-07 - 2022-03)

• Managed and hardened Fortinet FortiGate firewalls, configured VPNs, NAT, Webfilter, DLP, release of ports, and advanced security policies, reducing unauthorized network access by 40%.
• Administered Windows Server 2019 and Linux environments (CentOS/RedHat), optimizing Active Directory security, DNS, DHCP, FTP, and IIS services.
• Administered VMware virtualization and Led WAN/LAN redesign projects incorporating network segmentation and secure architecture principles, improving resource utilization Monitored infrastructure security using Zabbix, enabling early anomaly detection and proactive incident response.
• Maintained antivirus and endpoint protection platforms, and troubleshot network security issues with HP/Aruba switches.

Infrastructure Analyst - Terminal de Grãos Ponta da Montanha S/A - Pará, Brazil

(2015-01 - 2021-05)

Participation in Setting up and implantation of the internal Information security policy project based in ISO 27001

• Led the management and security of a fully virtualized datacenter with VMware, achieving ~99% uptime and enforcing stringent cybersecurity controls.
• Administered and monitored Windows Servers (2008/2012/2016/2019) and Linux servers (Centos, RedHat), ensuring high availability, patch management, and system hardening.
• Developed and implemented data security strategies, including encrypted backups, disaster recovery plans, and access control policies.
• Managed and configured Fortinet FortiGate firewalls and Cisco LAN/WAN network redundancy, guaranteeing secure, resilient connectivity and business continuity.
• Administered Active Directory with secure user and permission management, implementing policies to reduce insider threats.
• Implemented and troubleshot Cisco VoIP telephony and LAN/WAN networks following security best practices.
• Established and managed a corporate Service Desk with ITIL best practices and GLPI, achieving 98.7% SLA compliance and rapid incident resolution.
• Contributed to development, enforcement, and auditing of internal information security policies and compliance standards, strengthening organizational security posture based in ISO 27001

Postgraduate Degree - Network Engineering and Data Security Focus - University (2025)

ECA - Educational Credential Assessment for Immigration Canada - ECA - Educational Credential Assessment for Immigration Canada (WES) World Education Services (2023)

Postgraduate Degree - Ethical Hacking and Cyber Security - VINCIT/University (2023)

Degree - Analysis and Systems Development - Estácio de Sá/University (2016)