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krismyid/README.md

Hey, I'm Christian Windi Utomo 👋

DevOps Engineer and Site Reliability Engineer with 10+ years helping teams ship faster, stay reliable, and keep cloud costs under control. I love clean automation, observable systems, and building platforms that "just work."

Open for sharing sessions and training opportunities.

📄 Download my latest resume (PDF)
Book a free 30min chat

What I'm good at

  • Cloud & SRE: Kubernetes, AWS, Azure, GCP, Linux
  • CI/CD & Automation: Jenkins, GitLab CI/CD, GitHub Actions, Azure DevOps, Terraform, Ansible, Python/Bash
  • Observability & Reliability: Prometheus, Grafana, ELK, Jaeger, OpenTelemetry, Sentry
  • Security: IAM, container security, network security, least-privilege, secrets management
  • Training & Mentoring: Technical workshops, DevOps best practices, cloud architecture training

Recent impact

  • Decreased Unreal Engine build times by 40% with better pipelines
  • Lessened build failures by 60% through cross‑platform Linux support on Windows pipelines
  • Improved deployment frequency by 300% with reusable CI/CD templates
  • Lowered cloud spend by 50% with sizing, scheduling, and right‑sizing strategies
  • Kept production at 99.9% uptime with solid monitoring, incident response, and sane defaults

Certifications

Training Experience

Cloud Engineering Trainer (Freelance Coach)

PT Elite Teknologi Akademi (2024)

  • Program "Japan Elite Cloud Engineer" as trainer for apprenticeship program, preparing candidates for new jobs as Cloud Engineers in Japanese market, focusing on AWS and monitoring solutions using New Relic
  • Program "Fresh Graduate Academy (FGA) 2024" as trainer, delivering material about Cloud Implementation using AWS technologies

Experience snapshot

  • DevOps Engineer (SME) — Elitery (Feb 2024–Present)
    • Lead infra for on‑prem & cloud clients, mentor engineers, scale reliably
  • Site Reliability Engineer — AccelByte (Sep 2023–Jan 2024)
    • Enhanced Jenkins pipelines for UE builds; cross‑platform improvements
  • DevOps & Cloud Engineer — Xapiens (Mar 2023–Sep 2023)
    • Kubernetes, Jenkins, Azure DevOps; 50% cloud cost reduction
  • Site Reliability Engineer — Mapan (2019–2023)
    • CI/CD templates, service mesh, GitLab runners, observability stack
  • Cloud Architect (Freelance) — Coffee Meets Stocks (2021–2022)
    • GCP infra, GitLab CI/CD, logging/monitoring, security hardening

Tools I reach for often

Kubernetes · Terraform · Ansible · Docker · Helm · GitLab CI/CD · Jenkins · GitHub Actions · Prometheus · Grafana · ELK · Jaeger · OpenTelemetry · Sentry

How to reach me


If you're building platforms, improving developer experience, scaling infra/reliability, or looking for DevOps/Cloud training workshops, I'd love to help. 🚀

Open for freelance training opportunities — DevOps, Kubernetes, AWS, CI/CD, and SRE best practices.

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