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Senior Systems Engineer

Itaú Unibanco | Rio de Janeiro, Brazil

March 2019 – Present

• Lead the design and deployment of hybrid cloud infrastructure for financial applications, ensuring compliance with Brazilian data sovereignty laws.
• Optimized network performance by implementing SD-WAN solutions, reducing latency by 35% in key branches across Brazil Rio de Janeiro.
• Managed a team of 10 engineers to migrate legacy systems to AWS, achieving a 40% reduction in IT operational costs.
• Collaborated with cross-functional teams to enhance cybersecurity frameworks, addressing emerging threats in the Brazilian financial sector.

Systems Engineer

Telefônica Brasil | Rio de Janeiro, Brazil

July 2015 – February 2019

• Designed and maintained enterprise-grade network systems, supporting over 5 million users in the Rio de Janeiro region.
• Implemented automated monitoring tools (Nagios, Zabbix) to improve system uptime to 99.9% across critical services.
• Partnered with local IT teams to deploy edge computing solutions for 5G infrastructure, aligning with Brazil's digital transformation goals.
• Provided technical leadership during system outages, reducing mean time to resolution (MTTR) by 25%.

Junior Systems Engineer

Microsoft Brazil | Rio de Janeiro, Brazil

January 2013 – June 2015

• Assisted in the configuration and maintenance of Azure-based solutions for Brazilian SMEs, enhancing scalability and security.
• Conducted technical training sessions for clients on cloud migration strategies tailored to Brazil's regulatory environment.
• Supported the deployment of hybrid cloud environments, ensuring seamless integration with on-premise systems in Rio de Janeiro.

Bachelor of Science in Information Systems

Universidade Federal do Rio de Janeiro (UFRJ)

2009 – 2013

Graduated with honors, focusing on network security and distributed systems. Relevant coursework included "Cloud Computing," "Network Architecture," and "Brazilian IT Regulations."

Certifications

• AWS Certified Solutions Architect – Associate (2020)
• Cisco Certified Network Professional (CCNP) Enterprise (2018)
• CompTIA Security+ (2017)
• PMP Certification (Project Management Professional) – 2021

Smart City Initiative in Rio de Janeiro

Role: Lead Systems Engineer | 2021–2023

Designed a scalable IT infrastructure to support IoT devices and real-time data analytics for public transportation systems. The project improved traffic management efficiency by 30% in Rio de Janeiro's metropolitan area.

Cloud Migration for Brazilian Healthcare Providers

Role: Technical Consultant | 2020

Supported the migration of critical healthcare systems to AWS, ensuring compliance with Brazil's LGPD and improving data accessibility for over 1,000 medical institutions.

IT Infrastructure Audit for Multinational Corporations

Role: Systems Engineer | 2019

Conducted comprehensive audits of IT systems across Brazil Rio de Janeiro, identifying vulnerabilities and proposing solutions to align with international standards.