Senior GCP Infrastructure & Automation Engineer

Tech Mirrors; Chicago (IL); On-site; USD 140,000 - 190,000; Full time

Job summary

Tech Mirrors is seeking a senior GCP Infrastructure Engineer to design and implement the automation layer behind the H100 platform, including bootstrap scripts, Terraform modules, and GitHub Actions workflows for CI/CD. The role emphasizes hands-on scripting, platform provisioning, and robust infrastructure delivery across GCP, GKE, and the runner fleet.

You will own scripting, configuration, and validation tooling, collaborate with cloud engineers on architecture decisions, and build

Qualifications

• 12+ years in infrastructure engineering with deep scripting and automation focus.
• Expert-level Bash scripting (complex multi-stage provisioning scripts, error handling, idempotency).
• Strong PowerShell skills for Windows-based automation and runner image management.
• Advanced Python for infrastructure tooling, API integrations, and data processing.
• Strong Terraform (HCL): module development, state management, provider configuration, CI/CD integration.
• Kubernetes manifests: Kustomize, Helm charts, KCC resources, RBAC, Config Sync.
• GCP SDK/CLI proficiency: gcloud, gsutil, kubectl, kustomize, terraform CLI.
• GitHub Actions workflow authoring: composite actions, reusable workflows, matrix strategies, self-hosted runners.
• Experience with GKE cluster lifecycle: provisioning, upgrades, node pool management, Config Sync setup.
• Familiarity with Packer or similar tools for building custom VM/container images.
• Strong Linux systems administration (Ubuntu/Debian, systemd, networking, storage).

Responsibilities

• Design and maintain bootstrap automation scripts (Bash, PowerShell) for end-to-end GCP project, GKE cluster, and KCC platform provisioning (70KB+ bootstrap scripts)
• Build and maintain Terraform modules for GCP infrastructure: bootstrap project, GKE clusters, NCC spokes, Palo Alto NGFW, Wiz integration
• Develop Kustomize overlays and KCC manifests for GitOps-driven infrastructure delivery via Config Sync
• Create and maintain preflight validation scripts for infrastructure readiness checks (GKE, networking, IAM, Config Sync)
• Build CI/CD pipeline automation: GitHub Actions workflows for Terraform plan/apply, KCC manifest validation (yamllint, kustomize build, OPA checks)
• Develop operational scripts for emergency cleanup, immutable resource fixes, secret rotation, and disaster recovery procedures
• Automate runner image builds for Linux, Windows, Android, and iOS GitHub Actions self-hosted runners
• Build and maintain JFrog Artifactory integration scripts for artifact lifecycle management
• Create monitoring and alerting automation: dashboards-as-code, alert policy management, SLO configuration
• Develop infrastructure testing and validation frameworks to ensure changes are safe before production deployment
• Document all automation with clear README files, inline comments, and runbooks
• Collaborate with the Principal Cloud Engineer on architecture decisions and implementation

Skills

Bash scripting

PowerShell

Python

Go

Linux administration

Tools

Terraform

Kustomize

Helm

KCC (Config Connector)

GKE

Packer

Job description

Tech Mirrors is seeking a senior GCP Infrastructure Engineer to design and implement the automation layer behind the H100 platform, including bootstrap scripts, Terraform modules, and GitHub Actions workflows for CI/CD. The role emphasizes hands-on scripting, platform provisioning, and robust infrastructure delivery across GCP, GKE, and the runner fleet.

You will own scripting, configuration, and validation tooling, collaborate with cloud engineers on architecture decisions, and build