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Senior DevOps Engineer

3M Consultancy · Sydney, New South Wales, Australia

About 3M Consultancy

50 open jobs

Weak hiring record · median 166 days open

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Open 99 days · How we score

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  • Open 99 days
  • 80% of this employer's openings are over 60 days old

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Senior DevOps Engineer at 3M Consultancy. We’ll keep it in your applied jobs, so you can see it later and be warned before applying to the same employer twice.

Job Title

Senior DevOps / Platform Engineer

Location

Sydney, Australia.

Duration

6-12 Months Contract.

Role Overview

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.

Infrastructure & Cloud

  • 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

Kubernetes & GitOps

  • 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

CI/CD & Automation

  • 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

Architecture & Engineering

  • 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

Required Skills

  • 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

Skills

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