Senior DevOps / Platform Engineer - GitHub Migration

About the role

Miratech is hiring a Senior DevOps / Platform Engineer in Seville to join an enterprise-scale GitHub transformation, migrating 2,000+ repositories and their CI/CD ecosystems across GitHub environments. You will work hands-on with GitHub Enterprise, GitHub Actions, Terraform, AWS/EKS, Kubernetes, Jenkins and automation tooling, covering discovery, design, automation, migration, cutover and stabilization.

Key responsibilities

• Plan and execute GitHub Enterprise and GitHub Organization migrations, including repositories, workflows, runners, permissions, environments, variables and secrets.
• Support migration and reconfiguration of GitHub Actions and dependent CI/CD systems, and 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 related platform integrations.
• Troubleshoot migration issues and ensure platform stability during and after migration.
• Collaborate with engineering teams to ensure successful migration execution and validation.

Required profile

• 7+ years of experience in DevOps or Platform Engineering, with strong recent experience in GitHub and CI/CD.
• Proven experience with enterprise-scale GitHub repository and workflow migrations, including GitHub Actions, runners and workflow reconfiguration.
• Hands-on experience administering GitHub Enterprise and GitHub Organizations at enterprise scale.
• Full migration lifecycle experience, from discovery through stabilization.

Required skills

• Terraform and infrastructure automation.
• Kubernetes, AWS EKS and AWS infrastructure.
• Scripting and automation with Python, Bash or equivalent.
• Nice to have: GitOps and FluxCD, AWS CodeBuild, Git submodules, SSO/identity migration and migration of hundreds or thousands of repositories.

What we offer

• A comprehensive compensation and benefits package, including health insurance and a relocation program.
• Work from anywhere flexibility.
• Professional development, certification programs, mentorship, internal mobility and internship opportunities.
• A multicultural, inclusive team with regular social events.