OS Build

3 weeks ago

Karnataka India, India LTIMindtree Full time

Job Description:

Senior Infrastructure Automation Engineer (Zero-Touch GPU Cloud Stack – Linux Image Lifecycle)


We are seeking a Senior Infrastructure Automation Engineer with 10+ years of experience to lead the design and implementation of a Zero-Touch Build, Upgrade, and Certification pipeline for our on-prem GPU cloud infrastructure. This role focuses on automating the full stack—from hardware provisioning through OS and Kubernetes deployment—leveraging 100% GitOps workflows. The candidate will bring deep expertise in Linux systems automation, image management, and compliance hardening, with a strong foundation in infrastructure engineering.


Key Responsibilities

  • Architect and implement a fully automated, GitOps-based pipeline for building, upgrading, and certifying the Linux operating system layer in the GPU cloud stack (hardware → OS → Kubernetes → platform).
  • Design and automate Linux image builds using Packer, Kickstart, and Ansible.
  • Integrate CIS/STIG compliance hardening and OpenSCAP scanning directly into the image lifecycle and validation workflows.
  • Own and manage kernel module/driver automation, ensuring version compatibility and hardware enablement for GPU nodes.
  • Collaborate with platform, SRE, and security teams to standardize image build and deployment practices across the stack.
  • Maintain GitOps-compliant infrastructure-as-code repositories, ensuring traceability and reproducibility of all automation logic.
  • Build self-service capabilities and frameworks for zero-touch provisioning, image certification, and drift detection.
  • Mentor junior engineers and contribute to strategic automation roadmap initiatives.


Required Skills & Experience

  • 10+ years of hands-on experience in Linux infrastructure engineering, system automation, and OS lifecycle management.
  • Primary key skills required are Ansible, Python, Packer, Kickstart, OpenSCAP
  • Deep expertise with:
  • Packer for automated image builds
  • Kickstart for unattended OS provisioning
  • OpenSCAP for security compliance and policy enforcement
  • Ansible for configuration management and post-build customization
  • Strong understanding of CIS/STIG hardening standards and their application in automated pipelines.
  • Experience with kernel and driver management, particularly in hardware-accelerated (GPU) environments.
  • Proven ability to implement GitOps workflows for infrastructure automation (e.g., Git-backed pipelines for image release and validation).
  • Solid knowledge of Linux internals, bootloaders, and provisioning mechanisms in bare-metal environments.
  • Exposure to Kubernetes, particularly in the context of OS-level customization and compliance.
  • Strong collaboration skills across teams including security, SRE, platform, and hardware engineering.
  • Bonus:
  • Familiarity with image signing, SBOM generation, or secure boot workflows
  • Experience working in regulated or compliance-heavy environments (e.g., FedRAMP, PCI-DSS)
  • Contributions to infrastructure automation frameworks or open-source tools

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