Site Reliability Engineer

Site Reliability Engineer maintaining mission-critical payment infrastructure. Current responsibilities include managing Kubernetes clusters (GKE) ensuring high availability and performance, infrastructure automation and maintenance using Terraform in GCP environments, incident response, troubleshooting, and contributing to post-mortem analysis, supporting observability initiatives with Prometheus, Grafana, and distributed tracing, and collaborating with engineering teams on reliability improvements and system design.

DevOps Engineer

Following Altium's acquisition of Valispace, led critical infrastructure transformation initiatives spanning tenant migration and Kubernetes adoption. Orchestrated migration of 150+ single-tenant SaaS customers from legacy AWS account to consolidated multi-account infrastructure. Developed reusable Terraform modules for standardized tenant provisioning and infrastructure consistency. Automated tenant migration workflows reducing manual intervention and migration risks. Architected and executed migration from EC2-based deployments to Kubernetes cluster (EKS), improving deployment velocity and enabling zero-downtime rollbacks. Developed Helm charts and Helmfile configurations for 30+ microservices, standardizing deployment processes. Consolidated infrastructure reducing operational complexity and improving resource utilization. Built and maintained Jenkins and GitHub Actions pipelines for automated testing, building, and deployment. Implemented GitOps workflows improving deployment reliability and audit capabilities.

DevOps Engineer

Led DevOps transformation migrating legacy infrastructure to Infrastructure as Code and automating deployment processes. Migrated entire AWS account from manual 'click ops' configuration to Terraform, achieving 100% infrastructure version control and repeatability. Codified complete AWS environment including VPC networking, EC2 instances, RDS databases, S3 storage, and security groups. Developed reusable Terraform modules enabling consistent environment provisioning. Architected and deployed ECS-based microservices replacing legacy EC2 instances, improving scalability and deployment flexibility. Implemented container orchestration strategies for Django-based applications. Built CI/CD pipelines with GitHub Actions automating Docker builds, security scanning, and deployment workflows. Improved release reliability and deployment consistency through automated testing. Developed comprehensive scripting solution for automated on-premise Valispace deployments in customer secure environments. Created automated upgrade scripts enabling customers to update Valispace installations without manual intervention. Streamlined on-premise deployment process reducing complexity and customer implementation time.

Site Reliability Engineer

nov 2021 - oct 2022 · 1 year

Lisbon

Promoted to SRE role supporting Mercedes-Benz global e-commerce platforms. Implemented Datadog monitoring and observability solutions for production applications. Designed and configured monitoring dashboards tracking application performance, infrastructure health, and key business metrics. Integrated Datadog with existing Kubernetes and Docker infrastructure for comprehensive visibility. Collaborated with development teams on performance analysis and system optimization. Participated in on-call rotation handling production incidents for e-commerce infrastructure. Gained hands-on experience with SRE practices including SLIs, SLOs, and incident management.

Support Engineer for Digital Commerce

fev 2019 - nov 2021 · 2 years 10 months

Lisbon - Portugal / Stuttgart - Germany

Provided second-level support for all e-commerce platforms of Mercedes-Benz, troubleshooting issues and escalating complex cases to the product team as needed. Ensured the health and optimal performance of the bare-metal servers supporting the application and played an active role in the release process, contributing to smooth and reliable deployments. Managed incident response, coordinating swift resolution to minimize downtime and maintain a high standard of service.

Application Support

Provided second-line support for a critical banking application enabling clients to access reporting tools and manage online transactions. Analyzed SQL procedures to identify and troubleshoot issues with bank file integration into the database, escalating complex issues to third-line support for root-cause resolution. Monitored database loads to ensure seamless integration processes and acted as Incident Manager, coordinating quick and effective responses to high-impact issues.

IT Helpdesk Technician

Provided comprehensive IT support for headquarters and 20+ retail locations, including remote/on-site troubleshooting, server rack management, and infrastructure maintenance.