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Mainframe Developer

UST
United States, Illinois, Chicago
Nov 12, 2025
Role description

As a DevOps Architect, you will lead the design and execution of scalable DevOps frameworks, focusing on GitHub Enterprise migration, infrastructure automation using Terraform, and cloud-native transformation across AWS, Azure, or GCP. You will collaborate with cross-functional teams to modernize CI/CD pipelines, enforce security standards, and ensure seamless migration from legacy systems like Perforce or SVN to GitHub.

Key Responsibilities



  • GitHub Migration:


    • Plan and execute repository, branch, and history migration from Perforce/SVN to GitHub.
    • Configure GitHub repositories with branch protection, access control, and GitHub Actions.
    • Implement Git Large File Storage (LFS) and use tools like git-p4 for incremental migration.
    • Troubleshoot migration issues including file size limits, Python compatibility, and network permissions.


  • Infrastructure as Code (IaC):


    • Automate infrastructure provisioning using Terraform, CloudFormation, or Ansible.
    • Manage state files and environment-specific configurations using workspaces and modules.


  • Cloud Architecture:


    • Architect and optimize cloud infrastructure on AWS, Azure, or GCP.
    • Design secure and scalable network configurations including VPCs, VNets, NSGs, and hybrid connectivity.


  • CI/CD & Automation:


    • Build and maintain CI/CD pipelines using GitHub Actions, Jenkins, Azure DevOps, or CircleCI.
    • Integrate YAML templates and automate deployment workflows for .NET and containerized applications.



  • Security & Compliance:


    • Implement zero-trust security frameworks and compliance-as-code practices.
    • Use tools like Azure Key Vault for sensitive information management.


  • Collaboration & Mentorship:


    • Work closely with development, QA, and operations teams.
    • Mentor junior engineers on GitHub best practices and DevOps principles.




Required Skills



  • 5+ years in DevOps roles; 2-3 years in GitHub migration projects.
  • Proficiency in GitHub Enterprise, GitHub Actions, Terraform, Python/Shell scripting.
  • Experience cloud security, cloud services.
  • Strong understanding of CI/CD, containerization (Docker, Kubernetes), and cloud platforms.
  • Experience with version control systems (Git, Perforce, SVN).
  • Familiarity with GitHub Advanced Security and administration.



Preferred Certifications



  • GitHub Certifications (any).
  • AWS/Azure Certified DevOps Engineer
  • Certified Kubernetes Administrator (CKA)


Skills

DevOps Architect,GitHub,GitHub Actions

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