MILAN.DUFEK

>> Hi, I'm

Milan Dufek.

Building Observability-First Infrastructure.

Tech Lead & Solutions Architect dedicated to building resilient, automated and observable infrastructure. I transform complex technical requirements into streamlined, high-efficiency workflows that power scalable systems.

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Experience.

Where I've worked

Oct 2024PresentCurrent

Principal SW Engineer

GoodData

Building and scaling the observability-driven core of high-performance systems. Creating "transparent" infrastructure where deep observability meets automated, rock-solid deployment workflows. Wrangling large-scale telemetry stacks (logs, metrics, and traces) and keeping complex environments predictable.

  • Architected large-scale observability stack across logs, metrics, and traces
  • Automated deployment workflows for complex, high-performance environments
AIAWSObservabilityKubernetesTerraformAnsibleCI/CD

Jan 2023Sep 2024

Senior DevOps, System Administrator

Punktero

Automating internal processes and managing the entire infrastructure footprint through Infrastructure as Code. Delivering a service stack hitting the "big four": scalable, reliable, highly available, and fully observable.

  • Implemented full Infrastructure as Code across all environments
  • Delivered scalable, highly available service stack for clients
AnsibleDockerIaCObservabilityCI/CD

Oct 2019Dec 2022

Senior DevOps, Python Backend Developer

Mergado

Developing and optimizing a web application backend for XML feed marketing. Owning the release process, infrastructure monitoring, logging, and CI/CD deployment pipelines. Building automation workflows and handling system administration.

  • Built and maintained backend for XML feed marketing optimization platform
  • Owned the full release process and CI/CD pipeline
  • Set up infrastructure monitoring, logging, and automation
PythonCI/CDDockerLinux

Nov 2013Oct 2019

SME for Backup & Recovery (3rd Level IT Specialist)

IBM

Designing, developing, and leading backup & recovery solution projects for IBM's clients. Managing Disaster Recovery Planning (DRP) and Business Continuity (BCM) across dedicated and shared TSM infrastructures. Driving DevOps and automation on storage and backup infrastructure.

  • Led B&R solution design and delivery for enterprise clients
  • Managed Disaster Recovery Planning and Business Continuity
  • Automated storage and backup infrastructure with DevOps practices
DRPBCMTSMNetAppVMware

Apr 2010Oct 2013

Storage Administrator - TSM (2nd Level IT Specialist)

IBM

Managing shared and dedicated backup infrastructure for IBM's enterprise clients. Designing backup and recovery solutions across TSM servers, SAN environments, and virtual platforms.

  • Managed shared and dedicated backup infrastructure for enterprise clients
  • Administered TSM servers and tape libraries across multiple environments
TSMSANTape LibrariesIBM

Skills.

Technologies & expertise

DevOps & IaC

AnsibleDockerKubernetesTerraformTerragruntGitFlux

CI/CD & Automation

GitHub ActionsGitLab CIBashPython

Observability

GrafanaPrometheusMimirLokiTempoSentry

Cloud & Infra

AWSGCPDigitalOceanPrivate Cloud

System Administration

LinuxAIXApacheNginxHAProxyDNS

Databases

PostgreSQLMySQL/MariaDBRedisMongoDBElasticsearch

Storage & Continuity

TSMNetAppDRPBCMIBM Tape Libraries

Contact.

Let's connect

Have a project in mind or just want to chat?

Feel free to reach out.