Apr 2022 – Mar 2023 · 11 mos · Vancouver, British Columbia, Canada

• At Thinkific, I have worked on projects and architected solutions in an Agile team.
• Worked towards ensuring high availability and reliability of multitenant SaaS applications deployed on Kubernetes.
• Deployed NewRelic automated dashboards for metrics and alarms of application modules.
• Achieved savings of more than 20% on AWS Cost optimizations for Data-layer services: Redis, Memcached, PostgreSQL RDS, Storage (S3 Storage Classes), computing (EC2), Gravitron instance types, savings plan.
• Observability: Amazon CloudWatch, NewRelic, Prometheus, Grafana and integrations.
• Helped developers to be self-sufficient when deploying infrastructure by creating Terraform modules and extensive documentation.
• Amazon EKS Kubernetes administration: Kustomize, ArgoCD, SemaphoreCI, GitOps
• Have created terraform modules for NewRelic dashboards to monitor the application's Golden Signals.
• I've led a project for an automated and organizational-level backup policy for RDS Postgres by using AWS Backup and AWS Organizations, which included:
• PoC, requirements and technical evaluation, Continuous backups, cross-account and cross-region snapshots and backup compliance.
• Have worked with cost-efficiency by deploying AWS Cost Intelligence Dashboard on Amazon Quicksight.
• Have written terraform modules for event bus systems to enable message services across the main monolith and other microservices by using Amazon SNS and SQS.

Jan 2022 – Apr 2022 · 3 mos · Vancouver, British Columbia, Canada

Jul 2019 – Dec 2021 · 2 yrs 5 mos · Vancouver, British Columbia, Canada · Hybrid

• FuseForward is an AWS Advanced Technology and Consulting Partner that provides ready-made, secure environments for companies who need help migrating and managing application workloads on the cloud.
• I developed CI/CD pipelines in Gitlab for Python APIs and NodeJS containerized applications deployed on AWS EKS, and using AWS ECR registry, stack like npm, flask, and fast API.
• Have worked on CI/CD projects by using AWS Dev Tools, like AWS CodePipeline, AWS CodeBuild and AWS CodeDeploy.
• I have supported the achievement of revenue objectives through the migration of applications, software, and services onto the AWS platform in partnership with the sales team.
• Worked on the cutting edge of a wide range of innovative customers uses cases
• I architect solutions and PoC for customers and deliver those solutions.
• Setting up and configuring services to best practices.
• Experience with industry compliance and security standards, including ISO 27001 and HIPAA.
• Integration of AWS cloud services with on-premise technologies from Microsoft to IBM Maximo.
• Experience with configuration of Disaster Recovery scenarios using AWS CloudEndure
• Tasks automation, configuration management, app deployment using Ansible
• Database migration from on-premises environments using AWS Database Migration Service
• Machine Learning and data analytics research and architecture
• Daily use of core AWS services:
• Computing: EC2, Lambda
• Storage S3, EFS, AWS Backup, Storage Gateway
• Databases: RDS, DynamoDB, ElastiCache
• Networking: VPC, Route53, DirectConnect, Global Accelerator, Transit Gateways, VPC Peering Connection, VPN and hybrid clouds
• Mgmt & Governance: AWS Organizations, CloudWatch, Auto Scaling, CloudTrail, Systems Manager, Trusted Advisor, Personal Health Dashboard
• Security: IAM, Secrets Manager, KMS, Certificate Manager
• App Integration: Step Functions, Amazon MQ, SQS, SNS
• End-User Computing: WorkSpaces, AppStream 2.0

Apr 2017 – Jan 2019 · 1 yr 9 mos

• Professor of the graduate course in Software Engineering - Lato sensu graduate degree.
• Curriculums:
• Network and Computer Systems Security
• Distributed Systems Platforms

Jun 2013 – May 2019 · 5 yrs 11 mos

• UVA is the second largest State University of the State of Ceará and attends students over 40 municipalities, and many others through online learning.
• ▪ Identity & Access Management (IAM) / SSO Engineering
• Designed, deployed, and operated federated identity systems for a national research network using Shibboleth and LDAP, including SAML metadata exchanges and identity federation policies.
• ▪ Working on an agile team, and being in charge to create and implement enterprise-class solutions to support the load of almost 9500 active users.
• ▪ Deployed and maintained web load balancing solutions using NGINX and Apache, providing SSL-offloading, reverse cache, shared storage (OCFS2), shared sessions (memcached and repcached), healthcheck (keepalived) and high-availability, leveraging services to cope with a load of thousands of users at peak epoch, like enrollment period and publication of contests results.
• ▪ Developed and implemented a PostgreSQL database load balancing solution using PgPool-II and PgBouncer, improving the database performance by 40%, providing connection pooling, and enhancing the database availability by providing health checks and hot-standby nodes.
• ▪ Deployed and maintained SCM and CI/CD pipelines with GitLab-CI, allowing the automatized deployment of containerised apps to be 50% faster.
• ▪ Responsible for the migration of on-premise services to AWS to cope with new State’s regulatory norms that prioritise cloud computing instead of acquiring new physical servers, using several AWS service, such as EC2, ELB, ASG, VPC, Route53, RDS and CloudFront.
• ▪ Performed deployment automation of LXC containers for Apache Tomcat application servers, and performance tuning (JVM, GC, JConsole and JMX monitoring), increasing the application's availability by isolating them in containers.
• ▪ Recently started the process of deployment of a private cloud using OpenStack and Docker, delivering an even more flexible infrastructure than a virtualization platform.

Sep 2009 – May 2013 · 3 yrs 8 mos

• ▪ Developed and implemented network and services metrics systems using Zabbix. Providing an accurate view of the usage of servers resources, enlaces bandwidth, connected users, and database load, leveraging the capacity planning, incident prediction and response optimisation.
• ▪ Deployed OpenLDAP directories, performing replications, systems integration and schemas development, providing services of single sign-on for different applications, unifying the user’s information database/directory.
• ▪ Performed network administration mainly routing, switching, VLAN and subnetting, actively working in the design and segmentation of the campus network, in access, distribution and core levels, delivering more network performance, security and manageability.
• ▪ Performed administration of TCP/IP services: Bind DNS, DHCP, LDAP, NFS, NTP, FTP, SSH, SMB, CIFS, WINBIND, centralized RSYSLOG, SAN zoning, iSCSI, SMTP, IMAP, VPN, federation services, and Netfilter firewalls (iptables).
• ▪ Deployed and maintained a mail server solution using Qmail, Vpopmail, Dovecot IMAP, Horde, SpamAssassin, RBL, SPF and mailing list. To accomplish the growing need of the email service, it was performed the subscription, migration and integration of the users’ directory with Google G-Suite for Education services.
• ▪ Deployed an Identity provider using Shibboleth and LDAP while joining The Brazilian Federated Academic Community (CAFe - RNP)

Jan 2007 – Aug 2008 · 1 yr 7 mos · Greater Fortaleza · On-site

• Working at the Governor’s Office, one of the most critical State agencies, was challenging due to the high network security requirements and concerns. The office had many decision support systems and performed strong communication with other government agencies.
• ▪ Deployed and managed a virtualized Apache Tomcat server farm. The applications running, were vital to perform organisational tasks, financial and weather systems to allow Government staff to make decisions.
• ▪ Performed network management with a high focus on security, involving VLAN segmentation, routing policies, and secure VPN external access.
• ▪ Performed migration between proprietary platforms to free software to accomplish Government’s policy of adoption of free software.

Mar 2003 – Dec 2006 · 3 yrs 9 mos · Sobral, Ceará, Brazil · On-site

• Being in charge of the administration of the City Hall main network - including core, distribution and access levels - and systems. Sobral is the second more developed city of the State of Ceará, and I was involved in projects of expansion of the municipal network to agencies and other counties, and the deployment of a local ISP to offer free internet access to the population.
• ▪ Administration of the corporate Metropolitan Area Network (MAN) connecting municipal agencies and remote counties. Performed management of services as routing, subnetting, firewall, traffic shaping, WAN and WLANs enlaces. That allows the City Hall to manage your agencies better, deploy an IP-based video surveillance system and provide Internet access to the people of remote localisations.
• ▪ Administration of the corporate Metropolitan Area Network (MAN) connecting municipal agencies and remote counties. Performed management of services as routing, subnetting, firewall, traffic shaping, WAN and WLANs enlaces. That allows the City Hall to manage your agencies better, deploy an IP-based video surveillance system and provide Internet access to the people of remote localisations.