Dionizio Alves Ferreira
Valinhos
Summary
DevOps Manager who has led multiple teams to achieve exceptional operational outcomes and has helped team members earn promotions within the company. Expert at designing and managing scalable and critical environments, with experience in multi-cloud setups and optimizing CI/CD pipelines for better system performance and reliability.
Having worked in both development and operations, I believe time is an important asset. Therefore, I implement workflows and processes, automate repetitive tasks, troubleshoot complex engineering problems, and streamline operations. Known for building collaborative, high-performing teams, I prioritize mentorship and professional development to create an empowered and adaptive work environment.
An adaptive, self-made entrepreneur describes me best. I am passionate about learning and acquiring new skill sets. I focus on using my knowledge and experience to support company challenges while ensuring that teams succeed in a fast-paced environment by providing efficient solutions.
Overview
18
18
years of professional experience
1
1
Certification
Work History
Cloud Infrastructure and DevSecOps Manager
A11 Tecnologia
01.2024 - Current
- Focused on cloud infrastructure for SaaS solutions within the same group of companies, moving away from store infrastructure management.
- Expanded responsibilities to manage OpenShift environments and oversee more complex teams, including developers, monitoring staff, and the DevSecOps team.
- Fostered a culture of knowledge sharing within the organization to enhance collaboration and innovation among teams.
- Led the implementation of artificial intelligence initiatives within the company, integrating AI solutions into existing workflows and promoting an AI-driven culture.
Cloud Infrastructure and DevSecOps Manager
Ammo Varejo | Mmartan - Artex - Santista
06.2021 - 12.2023
- Continuation of my previous role, where I created and led a DevOps team to enhance the efficiency of cloud solutions and operations.
- Managed cloud infrastructure for our SaaS solutions, supporting various applications within the group of companies.
- Oversaw one private data center alongside AWS, GCP, and Oracle cloud environments.
- Converted cloud infrastructure, managing a total of 23 accounts and all associated resources, to Infrastructure as Code using Terraform and Ansible.
- Implemented Kubernetes deployments using Helm, streamlining application management and deployment processes.
- Fostered a strong security culture within the organization, implementing security best practices across all platforms.
- Managed two penetration testing executions and collaborated with developers to improve platform security and resilience.
- Achieved savings of over $15,000 per month in cloud expenses in the first quarter through effective resource management and optimization strategies.
- Maintained previous responsibilities, including managing end-to-end technology operations, network infrastructure, and team leadership.
Infrastructure and Web Development Supervisor
Ammo Varejo
10.2006 - 06.2021
- Began my career in a support role and advanced to a coordinator position, managing over 200 retail stores and two e-commerce platforms.
- Led teams of 11+ members, collaborating with teams from Brazil and the USA to enhance operational efficiency and service delivery.
- Created and managed an internal training platform to foster professional development across the organization.
- Served as an Advanced Network Analyst for all companies within the group, focusing on network optimization and complex problem-solving.
- Developed the company’s first mobile point-of-sale solution.
- Managed end-to-end technology operations, overseeing everything from physical network infrastructure in stores to dedicated links for secure card transactions.
- Maintained multiple private links and over 200 site-to-site connections, ensuring reliable and secure connectivity across the organization.
- Managed three private data centers to support organizational needs.
Education
Courses -
Online
MBA - Devsecops
FIAP
São Paulo, Sao Paulo, Brazil09-2022
Skills
- Self-taught Professional
- Leadership
- Entrepreneurship
- Flexibility in Dynamic Environments
- Advanced Knowledge of Linux, Microsoft Windows, and macOS
- Developer in JavaScript, Reactjs, React Native, Python, and Golang
- Network Infrastructure Security Management
- SQL Server and AWS Certified
- Proficient in Database Management, including PostgreSQL, SQL Server, MariaDB, MongoDB, Redis, and others
- ITIL and Scrum Certified
- Customer Service
- Experienced with AWS, GCP, Azure, and OpenShift Clouds
- Skilled in Kubernetes, Docker, Serverless Architectures, CDN, and WAF
- Proficient in DevOps technologies such as Ansible, Helm, Bitbucket, Jira, SonarQube, Grafana, Prometheus, Nginx, Kubernetes Ingress, Apache, and others
Certification
- AWS Practioner
- Schedule to April - AWS Certified DevOps Engineer Professional
Timeline
Cloud Infrastructure and DevSecOps Manager
A11 Tecnologia
01.2024 - Current
Cloud Infrastructure and DevSecOps Manager
Ammo Varejo | Mmartan - Artex - Santista
06.2021 - 12.2023
Infrastructure and Web Development Supervisor
Ammo Varejo
10.2006 - 06.2021
Courses -
Online
MBA - Devsecops
FIAP
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