Responsibilities:

• Automated code scanning over 1000+ repositories (Whitesource, Renovate, SonarQube)
• Automated Patch Management (AutoPKG, Intune, Debian apt)
• Continuous delivery of open source MDM infrastructure (MicroMDM, Puppet)
• Device Management of a large fleet (2000+ devices)
• Huge savings of hardware budget by offering a remote workplace solution with 3D support (Terraform, Parsec)
• Platform Administration (Google Workspace, Atlassian, Slack, Office365)

Responsibilities:

• Built a cost-efficient on-premise MacOS build infrastructure
• CI/CD support for internal customers
• Configuration management (Ansible, Packer, Terraform)
• Continuous delivery on Kubernetes (Gitlab-CI, Buildkite, Github Actions)
• Migration of CI pipelines from Gitlab-CI to Buildkite

Responsibilities:

• Built a provider independed Kubernetes provisioner (Ansible)
• Continuous delivery on Kubernetes (Gitlab-CI, Buildkite)
• Cost-efficient hosting of on-premise database clusters (Elasticsearch, Redis Cluster, Postgres)
• Mentoring a trainee project (Monitoring cluster infrastructure using open source technology)
• Monitoring & Alerting (Prometheus, Victoria-metrics, ELK, Thanos)
• Working on a Kubernetes based game-server platform

Responsibilities:

• 40% cost savings by moving a MongoDB cluster from cloud to on-premise
• Configuration management (Ansible)
• Continuous delivery of NodeJS Applications (Gitlab-CI)
• Migration of CI/CD pipelines from Bamboo, Jenkins to Gitlab-CI
• Monitoring & Alerting (Prometheus stack)
• Platform Administration (Google Workspace, Atlassian, Slack)

Responsibilities:

• Automating data imports and exports for marketing campaigns
• Cost savings by introducing configuration management (Ansible)
• Cost-efficient device management using open source technology
• Directory Administration (ActiveDirectory, AzureAD, LDAP, Univention Corporate Server)
• Introduced CI/CD to existing PHP Applications which allowed to launch new projects many times faster (Gitlab-CI)
• Monitoring & Alerting (Nagios, check_mk)
• PBX Administration (Asterisk, Pascom MobyDick)
• Running cost-efficient on-premise infrastructure (Proxmox, FreeNAS)
• Running Firewall & VPN gateways using open source (pfSense, OpenVPN, strongswan)