Celil Özüak

DevOps

Kubernetes · CI/CD · GitOps · Monitoring

Celil Özüak · DevOps Engineer

Expertise

What I do

Application management

I run release rollouts of production applications, track changes and respond to incidents.

  • Linux
  • Windows
  • Kubernetes
  • IIS
  • Docker
  • Kestrel
  • MS SQL
  • MSMQ

CI/CD

I make sure code reaches production safely, repeatably and traceably.

  • GitLab CI
  • GitOps
  • Helm
  • Docker
  • Jenkins
  • SonarQube
  • Nexus

Monitoring

I build metrics, logging and alerting so that problems are caught before users notice them.

  • VictoriaMetrics
  • Grafana
  • Elasticsearch
  • Kibana
  • Zabbix

Automation

I turn recurring operational tasks into scripts and workflows.

  • Bash
  • Python
  • PowerShell
  • Node.js
  • Claude Code
  • AI agents

Infrastructure

I set up Linux servers and container platforms and keep them maintained and up to date.

  • Linux
  • Docker
  • Nginx
  • Windows Server
  • Active Directory

Security and compliance

I run the Linux patching program and designed a compliance agent that reports each server's patch and security status.

  • BDDK
  • Patch management
  • Compliance reporting
  • ISO 27001
  • Keycloak
  • CAB
Sector
Banking and payment systems — DevOps
Focus
  • CI/CD
  • Monitoring
  • Automation
Platform
  • Kubernetes
  • GitOps
  • Linux
Location
İstanbul, Türkiye
Experience

Career so far

  1. 2025 — Present

    DevOps Engineer

    I manage application deployments to Kubernetes, monitoring and alerting, the logging platform and the Linux patching program.

  2. 2021 — 2025

    Senior Application Management Specialist

    I ran the setup, continuity and change management (CAB) of payment and card services.

  3. 2016 — 2021

    Senior Technology Specialist

    I managed technical support, the call center infrastructure and ISO 27001 work.

  4. 2007 — 2016

    Infrastructure and user support

Contact

Get in touch

For job offers and professional questions, reach me by email, phone or LinkedIn.