Senior DevOps Engineer2021 - PRESENTKPS digital GmbH
Technologies: DevOps, Grafana, Prometheus, Go, Terraform, Terragrunt, Kubernetes, Azure, Azure Kubernetes Service (AKS), Instana, Splunk, TeamCity, Bitbucket
- Developed and improved the Terraform code for the Elkjop project, which ran on Azure AKS.
- Executed performance testing and recommended best practices to development teams.
- Implemented Blue/Green deployment strategies using flagger.
- Built infrastructure using Terragrunt/Terraform and wrote tests using Terratest.
- Build and set up CI/CD Pipelines with TeamCity and Jira.
Principal DevOps and SRE Engineer2014 - 2019ebay Inc.
Technologies: Linux, Google Cloud Platform (GCP), DevOps, Varnish, Prometheus, Sensu, Nomad, MySQL, OpenStack, Cassandra, Solr, Elasticsearch, Kubernetes, SaltStack, Puppet
- Worked DevOps for the fast-growing and high traffic platforms of eBay Kleinanzeigen and mobile.de that run on a multi-region hybrid cloud solution and became the technical lead within the SRE team.
- Migrated the public search from Solr to Elasticsearch.
- Participated in and drove various projects, like regular failover tests, data- and technology migrations, and to further enhance the stability of the platform.
- Took the technical lead in the migration to a private OpenStack cloud.
- Supported the migration from a monolithic architecture to microservices and from MySQL to Kafka as a central data store.
- Created Kubernetes Clusters on OpenStack and supporting infrastructure.
- Developed fault-tolerant monitoring solutions based on ELK Stack, Sensu, Prometheus, and PagerDuty.