I am a Lead Site Reliability Engineer (SRE) based in Dresden, Germany. In my current position managed the migration of my company's software from an on-premises infrastructure to the AWS cloud, running it as a cloud-native application while adhering to the standards for ISO27001 certification. Of course constantly improving in terms of availability, reliability and security.
AWS, K8s, EKS, Terraform, Ansible, AWS Parameter Store, Prometheus, Loki, Grafana, HC Vault, Docker, Nomad, Consul, Gitlab, Jenkins, Teamcity
JBoss Application Server, Quarkus, Elasticsearch, Nginx, Traefik, Microservices, Postgres, MariaDB, Java, Golang, Cypress
System Design, ISO27001, Disaster Recovery, Security Standards, Cost Optimization, Cloud Migration, Scalability
Led the migration of B2B software from on-premise to a multi-account AWS infrastructure, improving scalability, maintainability, and enabling fully automated and consistent deployments using IaC (Terraform).
Migrated to orchestrated and containerized workloads using Kubernetes (EKS) to enhance workload distribution and fault tolerance.
Implemented real-time monitoring and observability using the PLG stack (Promtail, Loki, Grafana), ensuring proactive issue detection and performance optimization.
Enforced ISO27001 security standards in preparation for a BSI certification.
Led the Infrastructure Team, coordinating efforts to deliver scalable, secure, and reliable solutions while driving best practices and team collaboration.
Developed modular and reusable Helm charts to standardize and simplify the deployment of microservices across environments.
Enabled reliable event-driven communication between microservices and improving system decoupling and scalability by implementing ActiveMQ Artemis as a Message Broker.
Mentored Junior Cloud Engineer, fostering their professional growth and ensuring effective knowledge transfer on AWS, Kubernetes, and Terraform and general DevOps topics.
Established high standards for disaster recovery, dev/prod parity, consistency, predictability, and security by adopting immutability and cloud-native design patterns.
Maintained and streamlined configuration management for on-premise infrastructure and in-house installations using Ansible, reducing manual overhead.
Designed and implemented CI/CD pipelines with TeamCity, accelerating delivery cycles and improving code quality.
Ensured high availability and scalability of critical systems through expert Linux administration, Ansible automation, and Hashicorp Packer image management.
Contributed to the transition of the infrastructure to a modern and cloud native environment using Nomad for workload orchestration and Consul for service discovery.
Designed and implemented new GitLab CI/CD pipelines, accelerating development workflows and improving deployment efficiency.
Developed and deployed microservices using Golang, enhancing system functionality and security.
Tasks:
Took the first steps in migrating a legacy AngularJS application to Angular.io, establishing a foundation for enhanced performance, maintainability, and scalability.
Developed end-to-end tests using Cypress.io, improving test coverage and ensuring application reliability.
Implemented Continuous Integration pipelines with Jenkins, streamlining build and deployment processes.
Created and optimized Dockerfiles for containerized environments, enabling consistent and portable application deployments.
The nonprofit organization KUNE e.V. supports refugees on the escape routes, at the borders of Europe and in refugee camps, accompanies their integration in Germany and assists in the establishment of self-help projects in the countries of origin.
Bachelor of Science in Media Computer Sciences with an overall grade of 1.6.
Bachelor Thesis Title: 'Transformation of an existing application into a cloud-native architecture.' Thesis grade: 1.2
During my studies, I completed several courses and compulsory elective modules. Some of them were: