Marko Zadro

DevOps Engineer · Cloud-Native Infrastructure Specialist

Results-driven DevOps Engineer with 12+ years in IT and 8+ years at Sportradar/NSoft. Specialized in Kubernetes orchestration, cloud migrations, and building resilient infrastructure at scale.

📍 Mostar, Bosnia and Herzegovina

12+

Years in IT

Yrs at Sportradar

Multi

Cloud (AWS/GCP)

MSc

Comp. Science

👤

About

Results-driven DevOps Engineer with several years of experience in architecting, deploying, and managing complex containerized environments. Bridging the gap between development and operations by building resilient, scalable, and secure infrastructure. Currently focused on orchestrating hybrid RKE2 clusters alongside managed services like GKE and EKS. Passionate about the "Cloud-Native" philosophy — ensuring every layer of the stack, from networking with Cilium to security with Kyverno and NeuVector, is optimized for performance and reliability.

Beyond the Terminal

When not optimizing clusters — a dedicated triathlete, a sport that fuels discipline and persistence in professional life. An advocate for healthy living, specializing in Gluten-Free nutrition, constantly experimenting with new recipes and maintaining a high-performance lifestyle through a GF diet.

⚙️

Tech Stack

Orchestration & Containers

Kubernetes EKS GKE RKE2 LKE Docker Rancher Helm Helmfile Karpenter

Infrastructure as Code & CI/CD

Terraform GitLab CI/CD Jenkins Argo CD Argo Rollouts ChartMuseum

Networking & Edge

Cilium Emissary-Ingress Cloudflare (WAF/DNS/Tunnels) Hubble Network Policies

Security & Policy

Kyverno NeuVector HashiCorp Vault Keycloak (IAM) Polaris

Monitoring & Observability

Prometheus Grafana Jaeger (Tracing) OpenTelemetry Graylog Elastic / OpenSearch

Cloud & Storage

AWS Google Cloud (GCP) Linode Hetzner Longhorn Velero (Backup)

💼

Experience

☁️

DevOps Engineer

Sportradar — Mostar, BiH · Hybrid

June 2025 — Present

Leading cloud-native infrastructure initiatives within the Sportradar global platform engineering team
Architecting and optimizing AWS EKS environments with Karpenter for intelligent node autoscaling
Implementing OpenTelemetry-based observability across distributed microservices
Driving GitOps adoption through Argo CD and Argo Rollouts for zero-downtime deployments
Managing Keycloak IAM infrastructure and HashiCorp Vault for secrets management

⚙️

DevOps Engineer

Sportradar (formerly NSoft) — Mostar, BiH

July 2021 — June 2025 · 4 yrs

Led migration from hybrid RKE2 clusters to AWS EKS using Terraform IaC and optimized GitLab CI/CD pipelines
Designed and maintained highly available Kubernetes clusters across Production, Staging, and Dev environments
Implemented security best practices with Kyverno, Cilium, NeuVector, and Network Policies for cluster hardening
Deployed Elasticsearch operators and configured Jaeger tracing for deep application observability
Adapted infrastructure to meet strict compliance requirements during the NSoft → Sportradar transition
Managed multi-cloud environments across AWS, GCP, Linode, and Hetzner

🔧

Technical Support Engineer (L2)

NSoft — Mostar, BiH

October 2017 — October 2021 · 4 yrs

Resolved complex escalated issues with ~95% success rate before delegation to development teams
Automated L1 support workflows and built operational dashboards in Grafana for proactive monitoring
Performed deep-dive troubleshooting involving server administration, log analysis, and network parameter monitoring
Identified problems within incidents, communicated potential causes, and determined escalation pathways
Created monitoring and alerting dashboards and built useful tools for everyday L1/L2 operations
Managed firewall settings, network configurations, and on-demand product functionality testing using automated tests

🖥️

Computer Engineer & IT Technician

AvaCom d.o.o. — Mostar, BiH

January 2013 — July 2014