Senior DevOps / Platform Engineer

3M Consultancy•Austin, TX

1d•Onsite

About The Position

We are seeking a hands-on Senior DevOps/Platform Engineer to own the full delivery lifecycle of a multi-tenant AI SaaS platform across AWS, Azure, and GCP. This role spans both day-to-day operational responsibilities and strategic architectural contribution.

Requirements

Production-level Terraform and Terragrunt in multi-account/multi-cloud environments
Kubernetes (EKS and AKS) — multi-cluster management, networking, workload troubleshooting
ArgoCD, Helmfile, GitOps delivery patterns
GitHub Actions CI/CD pipeline authoring
AWS, Azure, and GCP — simultaneous multi-cloud experience required
Familiarity with identity and secrets management (workload identity, KMS, Key Vault)
Experience with observability tooling and modern SaaS platform operations

Responsibilities

Manage Terragrunt-wrapped Terraform IaC for multi-customer cloud account provisioning
Provision and maintain cloud resources including EKS, AKS, RDS, Redis, ACR/ECR, KMS/Key Vault, and workload identity across cloud providers
Onboard new clusters end-to-end from bootstrap scripts through ArgoCD app-of-apps patterns
Maintain GitOps-driven Kubernetes workload delivery via ArgoCD and Helmfile
Author and promote Helm chart overlays across multiple environments
Debug and remediate containerized workloads (Temporal, Authentik, kgateway, observability stacks) across cloud providers
Build and maintain reusable GitHub Actions CI/CD workflows for Docker image builds, Terraform plan/apply gates, and cross-repo deploys
Troubleshoot and remediate issues across a highly variable, multi-layer technology stack
Contribute to product feature enhancements through design and implementation of architectural improvements
Ensure all architectural changes satisfy requirements for resiliency, security, and compatibility across multiple cloud providers