~/ Mehmet Fatih Çakır
Architecture Notes EN → TR
Cloud, DevOps & SRE Engineer • Open to EU Remote Opportunities • UTC+3 (CET Overlap)

Hi, I'm Mehmet Fatih Çakır.

I design and operate resilient container platforms, automated CI/CD pipelines, and high-reliability infrastructure.

For the past 3.5+ years, I have worked on mission-critical public-sector systems—bridging bare-metal and hybrid storage foundations with Red Hat OpenShift, Kubernetes, Ansible, and Azure DevOps. Here I share real-world system architectures, trade-offs, and production notes.

LinkedIn ↗ GitHub ↗ [email protected]

Recent Architecture Notes

Why write technical notes in the age of AI? AI generates boilerplate syntax; here I document real-world architectural trade-offs, failure modes, and system designs.

View all architecture notes →

Designing Air-Gapped OpenShift & CI/CD Delivery Without Direct Internet Access

Architectural trade-offs, mirror registry patterns, and Ansible day-2 automation when running enterprise Kubernetes inside isolated networks.

Platform Architecture • 6 min read
Read →

Reusable Azure DevOps YAML Pipelines: Eliminating Drift Across Microservices

How template-driven CI/CD pipelines reduce cognitive load for developers while enforcing security and SRE readiness checks.

CI/CD & DevOps • 5 min read
Read →

Production Delivery & Platform Blueprint

Typical enterprise lifecycle I design & operate

Azure DevOps → Ansible → OpenShift
01
CI/CD Orchestration
Azure DevOps

Reusable YAML templates, security gates, artifact signing

02
Automated Provisioning
Ansible IaC

Idempotent OS hardening, day-2 cluster & node automation

03
Container Runtime
OpenShift / K8s

HA multi-cluster workloads, RBAC, rolling zero-downtime upgrades

04
Resilient Persistence
S3 / SAN / Hybrid

S3 object storage, CSI persistent volumes over enterprise SAN/NAS

Engineering Capabilities

Focused on repeatable automation, platform reliability, and understanding infrastructure all the way down to the metal.

Core Focus

Container Platforms & Cloud-Native

Running production-grade container orchestration in regulated, high-availability environments.

  • Red Hat OpenShift
  • Kubernetes (K8s)
  • Helm & Kustomize
  • Internal Container Registries
  • Ingress, NetworkPolicies & RBAC
Automation

CI/CD & Infrastructure Automation

Eliminating manual toil and configuration drift through declarative pipelines and playbooks.

  • Azure DevOps Pipelines & Repos
  • Ansible & Ansible Playbooks
  • Multi-Stage Release Gates
  • Linux System Hardening
  • Bash & GitOps Workflows
Deep Systems

SRE & Full-Stack Infrastructure Foundation

Unlike YAML-only workflows, hands-on roots in compute, virtualization, and enterprise storage layers.

  • S3-Compatible Object Storage
  • Air-Gapped / High-Security Ops
  • VMware & Bare-Metal Provisioning
  • Enterprise Storage (SAN / NAS / CSI)
  • HA Capacity & Incident Recovery

Selected Production Case Studies

Anonymized architectural work from regulated public-sector infrastructure environments.

Platform Engineering • Air-Gapped OpenShift

Operating High-Availability OpenShift Clusters in Restricted Networks

Mission-critical public-sector workloads required modern container orchestration inside strictly isolated (air-gapped) enterprise networks with zero tolerance for unscheduled downtime.

  • Automated OS preparation, node configuration, and internal mirror synchronization via idempotent Ansible roles.
  • Integrated persistent stateful workloads with enterprise SAN/NAS storage classes and S3-compatible object storage.
  • Standardized RBAC, Pod Security Standards, and rolling cluster upgrade runbooks to maintain continuous availability.
Red Hat OpenShift Kubernetes Ansible S3 Storage Bare-Metal / VMware
DevOps & Delivery • Azure DevOps at Scale

Standardizing Multi-Environment CI/CD Pipelines Across Engineering Teams

Fragmented build scripts and manual deployment handoffs slowed release velocity and created configuration drift across staging and production environments.

  • Designed modular, reusable Azure DevOps YAML pipeline templates enforcing build, artifact versioning, and environment promotion.
  • Coupled Azure DevOps release agents with Ansible playbooks to automate post-deployment configuration and health verification.
  • Reduced manual operational intervention while creating a full audit trail required by public-sector compliance.
Azure DevOps YAML Pipelines Ansible Kubernetes Linux

UTC+3 (CET+1 / Full EU Overlap)

Available for European Remote Engineering Teams

Looking for a Cloud, DevOps, or SRE / Platform Engineer comfortable with complex Kubernetes/OpenShift estates, Ansible automation, and high-reliability infrastructure? Let’s talk.

Send an Email ([email protected]) Message on LinkedIn ↗