About Me
Experienced Cloud and DevOps Engineer specializing in Kubernetes platform engineering, multi-cloud infrastructure (AWS, GCP), and GitOps-based deployments. Strong focus on security, compliance, and Infrastructure as Code to build scalable and reliable cloud-native solutions.
Team player with strong attention to detail and willingness to learn.
Work Experience
DevOps Engineer AI Cloud
BITMARCK
October 2024 - Present · Essen, North Rhine-Westphalia
Kubernetes Platform Engineer
Kassenärztliche Vereinigung Westfalen-Lippe (KVWL)
January 2024 - September 2025 · Dortmund, North Rhine-Westphalia
- •Provisioned and managed Kubernetes clusters using VMware Tanzu
- •Implemented GitOps workflows with FluxCD for automated application deployment
- •Implemented security tools including container security scanning, policy enforcement (Kyverno), and zero-trust network policies (Antrea)
- •Configured cert-manager for automated SSL/TLS certificate management
- •Set up External-DNS and External Secrets Operator for secure infrastructure management
- •Implemented comprehensive monitoring and alerting with Grafana-Prometheus-Stack
- •Implemented IT security requirements and compliance standards
- •Maintained and serviced Kubernetes cluster components
System Engineer
itemis AG
July 2022 - December 2023 · Lünen, North Rhine-Westphalia
- •Provisioned Kubernetes clusters across AWS (EKS) and GCP (GKE) for multi-cloud product validation
- •Implemented Infrastructure as Code using Terraform and AWS CDK for automation and reproducibility
- •Deployed and managed Kubernetes clusters in GCP using Infrastructure as Code (Terraform) for the Workadventure project
- •Implemented Kubernetes clusters in AWS using AWS CDK for Nexus Repository Manager
- •Implemented GitOps workflows using FluxCD for continuous deployment
- •Cloud administration and management (AWS, GCP)
- •Extended and maintained Ansible repositories for infrastructure automation
- •Configured and maintained GitLab CI/CD pipelines
- •Linux system administration (Debian, CentOS)
- •Ticket management and incident resolution
System Engineer
meap GmbH
October 2022 - March 2023 · Bochum, North Rhine-Westphalia
- •Infrastructure automation using Ansible (server provisioning, process automation)
- •Setup and configuration of log management system (Graylog)
- •Customer hosting services (web, email, domain registration, DNS management)
- •Renewal of internal and external SSL certificates
- •Monitoring and maintenance (server logs, scheduled tasks, data backups)
- •Installation and deployment of VoIP phone systems for customers
- •First level support (internal staff, customers, website go-live)
IT Support Engineer
Computacenter
January 2018 - June 2020 · Dortmund, North Rhine-Westphalia
- •Linux system administration and troubleshooting (Debian, Ubuntu, CentOS)
- •Website support and maintenance
- •DNS zone management and configuration
- •Server monitoring and log analysis
- •Incident resolution and ticket management
- •Network troubleshooting and configuration
Skills
Cloud & Containerization
- • Kubernetes, Docker
- • AWS (EKS), GCP (GKE)
- • VMware Tanzu
- • Infrastructure as Code (Terraform, AWS CDK)
- • Container Security Scanning
Kubernetes Ecosystem
- • Helm
- • Ingress Controllers
- • cert-manager, External-DNS
- • External Secrets Operator
- • Kyverno, Antrea
DevOps & CI/CD
- • GitOps (FluxCD, ArgoCD)
- • GitLab CI
- • Ansible
Monitoring & Observability
- • Grafana, Prometheus
- • Log Management (Loki, Graylog)
Security & Compliance
- • IT Security Requirements
- • Compliance Standards
- • Zero-Trust Network Policies
- • Policy Enforcement
System Administration
- • Linux (Debian, Ubuntu, CentOS)
- • Network Troubleshooting
- • DNS Management
- • SSL/TLS Certificate Management
Certifications
- LFS458 | Kubernetes Administration
- LPIC-2 | Certified Linux Engineer
- LPIC-1 | Certified Linux Administrator
- Microsoft Azure Administration
- AWS Certified SysOps Administrator
Education
Mathematics
Ruhr-Universität Bochum
September 2016 - March 2019