DevOps Engineer

Erfahrener SRE (CKA) mit fast einem Jahrzehnt an Erfahrung in hochverfügbaren Microservice-Produktionsumgebungen. Erfahren in Infrastructure as Code, Kubernetes, AWS, Azure, CI/CD und CNCF-Sicherheitsprojekten. Leitete die Einführung von Cloud-nativen Sicherheits-Frameworks und die Durchsetzung von Richtlinien. Verwaltete Kubernetes-Cluster, CI/CD-Pipelines und Observability-Stacks. Starke Erfahrung in der Automatisierung von Infrastruktur und Betrieb, Unterstützung mehrerer Kubernetes-Cluster und Migration von Anwendungen auf Microsoft Azure.

Removed company names and contact/personal information:

SRE, Freelance September 2024 - Currently

Freelancing as SRE (CKA) designing, implementing, and securing Kubernetes hybrid infrastructures across EKS, Canonical, and vanilla environments. Leading the adoption of cloud-native security and policy frameworks to enhance compliance and observability. Helping organizations transition to GitOps with Flux and integrating CI/CD pipelines for automated deployments. Building and maintaining observability and monitoring stacks using Prometheus and Grafana. Leveraging Terraform and Ansible for reproducible infrastructure as code.

SRE April 2022 - August 2024

Working as a Site Reliability / DevOps Engineer supporting multiple Kubernetes clusters in the fintech sector. Automating infrastructure and operations using Terraform, Ansible, and custom scripting. Managing messaging platforms and core services. Building CI/CD pipelines with GitHub Actions, ArgoCD, and Flux. Leading the migration of applications to Microsoft Azure for improved scalability and fault tolerance.

Systems Administrator April 2015 - August 2024

Responsible for Linux VPS, network, and MySQL DB maintenance. Currently working sporadically during weekends.

Application Support August 2018 - March 2022

Handling incident, problem, and service request management in a lending & banking environment. Providing 2nd line support and deep analysis of issues. Working with modern tools for automation and improvement. Managing customer databases and banking systems.

Application Engineer - Information Specialist | Technological Consultant April 2016 - August 2018

Providing 2nd level support for automotive applications. Implementing and maintaining complex platforms. Coordinating with technical teams and communicating with customers. Working under strict SLAs in a 24/7 shift environment.

Help desk June 2015 - March 2016

Contractor working on the account. Providing on-site support and assistance.