Senior DevOps & Platform Engineer — GitHub Migrations

Miratech; Warszawa; Remote; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Relentless Performance culture

Health insurance

Work From Anywhere

Certification programs

Mentorship opportunities

Internal mobility

Job summary

Miratech is a global IT services and consulting company seeking a Senior DevOps/Platform Engineer to lead a large GitHub transformation, migrating 2,000+ repositories and their CI/CD ecosystems across GitHub environments.

You will design, automate, migrate, and stabilize across GitHub Enterprise, GitHub Actions, Terraform, AWS/EKS, Kubernetes, Jenkins, and automation tooling, collaborating with engineering teams to ensure a smooth cutover and ongoing platform stability.

Qualifications

• 7+ years of experience in DevOps or Platform Engineering, with strong recent experience in GitHub and CI/CD.
• Hands-on administering GitHub Enterprise and GitHub Organizations at enterprise scale.
• Experience migrating GitHub repositories, workflows, runners, and secrets.
• Experience with OIDC, GitHub Apps, webhooks, and OAuth integrations.
• Terraform and infrastructure automation experience.
• CI/CD pipeline design and migrations including Jenkins and GitHub Actions.
• Kubernetes, AWS EKS, and AWS infrastructure experience.
• Scripting using Python or Bash.

Responsibilities

• Participate in discovery, migration design, automation, pilot migration, migration waves, cutover, validation, rollback, and stabilization activities.
• Plan and execute GitHub Enterprise and GitHub Organization migrations.
• Migrate GitHub repositories, workflows, runners, permissions, environments, variables, and secrets.
• Support migration and reconfiguration of GitHub Actions and dependent CI/CD systems.
• Migrate and validate GitHub Apps, webhooks, OAuth integrations, and OIDC configurations.
• Build automation for migration activities using scripting and Infrastructure as Code.
• Support AWS cloud infrastructure, Kubernetes/EKS, Jenkins, and associated platform integrations.
• Troubleshoot migration issues and ensure platform stability during and after migration.
• Collaborate with engineering teams to ensure successful migration execution and validation.

Skills

GitHub Enterprise

CI/CD

Terraform

Kubernetes

AWS

Jenkins

Python

Bash

Tools

GitHub Actions

Job description

Miratech is a global IT services and consulting company seeking a Senior DevOps/Platform Engineer to lead a large GitHub transformation, migrating 2,000+ repositories and their CI/CD ecosystems across GitHub environments.

You will design, automate, migrate, and stabilize across GitHub Enterprise, GitHub Actions, Terraform, AWS/EKS, Kubernetes, Jenkins, and automation tooling, collaborating with engineering teams to ensure a smooth cutover and ongoing platform stability.