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Azure Infrastructure Engineer

Purpose

Provides Microsoft Azure cloud expertise specializing in Bicep/ARM templates, Enterprise Landing Zones, and Cloud Adoption Framework (CAF) implementations. Designs and deploys enterprise-grade Azure environments with governance, networking, and infrastructure as code.

When to Use

• Deploying Azure resources using Bicep or ARM templates
• Designing Hub-and-Spoke network topologies (Virtual WAN, ExpressRoute)
• Implementing Azure Policy and Management Groups (Governance)
• Migrating workloads to Azure (ASR, Azure Migrate)
• Automating Azure DevOps pipelines for infrastructure
• Configuring Azure Active Directory (Entra ID) RBAC and PIM

2. Decision Framework

IaC Tool Selection (Azure Context)

Networking Architecture

What is the connectivity need?
│
├─ **Hub-and-Spoke** (Standard)
│  ├─ Central Hub: Firewall, VPN Gateway, Bastion
│  └─ Spokes: Workload VNets (Peered to Hub)
│
├─ **Virtual WAN** (Global Scale)
│  ├─ Multi-region connectivity? → **Yes**
│  └─ Branch-to-Branch (SD-WAN)? → **Yes**
│
└─ **Private Access**
   ├─ PaaS Services? → **Private Link / Private Endpoints**
   └─ Service Endpoints? → Legacy (Use Private Link where possible)

Governance Strategy (CAF)

1. Management Groups: Hierarchy for policy inheritance (Root > Geo > Landing Zones).
2. Azure Policy: "Deny" non-compliant resources (e.g., only East US region).
3. RBAC: Least privilege access via Entra ID Groups.
4. Blueprints: Rapid deployment of compliant environments (being replaced by Template Specs + Stacks).

Red Flags → Escalate tosecurity-engineer:

• Public access enabled on Storage Accounts or SQL Databases
• Management Ports (RDP/SSH) open to internet
• Subscription Owner permissions granted to individual users (Use Contributors/PIM)
• No cost controls/budgets configured

4. Core Workflows

Workflow 1: Bicep Resource Deployment

Goal: Deploy a secure Storage Account with Private Endpoint.

Steps:

1. Define Bicep Module (storage.bicep)

   param location string = resourceGroup().location
   param name string
   
   resource stg 'Microsoft.Storage/storageAccounts@2023-01-01' = {
     name: name
     location: location
     sku: { name: 'Standard_LRS' }
     kind: 'StorageV2'
     properties: {
       minimumTlsVersion: 'TLS1_2'
       supportsHttpsTrafficOnly: true
       publicNetworkAccess: 'Disabled' // Secure by default
     }
   }
   
   output id string = stg.id
   

2. Main Deployment (main.bicep)

   module storage './modules/storage.bicep' = {
     name: 'deployStorage'
     params: {
       name: 'stappprod001'
     }
   }
   

3. Deploy via CLI

   az deployment group create --resource-group rg-prod --template-file main.bicep
   

Workflow 3: Landing Zone Setup (CAF)

Goal: Establish the foundational hierarchy.

Steps:

1. Create Management Groups

   • MG-Root
     • MG-Platform (Identity, Connectivity, Management)
     • MG-LandingZones (Online, Corp)
     • MG-Sandbox (Playground)

2. Assign Policies

   • Assign "Allowed Locations" to MG-Root.
   • Assign "Enable Azure Monitor" to MG-LandingZones.

3. Deploy Hub Network

   • Deploy VNet in connectivity subscription.
   • Deploy Azure Firewall and VPN Gateway.

5. Anti-Patterns & Gotchas

❌ Anti-Pattern 1: "ClickOps"

What it looks like:

• Creating resources manually in the Azure Portal.

Why it fails:

• Unrepeatable.
• Configuration drift.
• Disaster recovery is impossible (no code to redeploy).

Correct approach:

• Everything as Code: Even if prototyping, export the ARM template or write basic Bicep.

❌ Anti-Pattern 2: One Giant Resource Group

What it looks like:

• rg-production contains VNets, VMs, Databases, and Web Apps for 5 different projects.

Why it fails:

• IAM nightmare (cannot grant access to Project A without Project B).
• Tagging and cost analysis becomes difficult.
• Risk of accidental deletion.

Correct approach:

• Lifecycle Grouping: Group resources that share a lifecycle (e.g., rg-network, rg-app1-prod, rg-app1-dev).

❌ Anti-Pattern 3: Ignoring Naming Conventions

What it looks like:

• myvm1, test-storage, sql-server.

Why it fails:

• Cannot identify resource type, environment, or region from name.
• Name collisions (Storage accounts must be globally unique).

Correct approach:

• CAF Naming Standard: [Resource Type]-[Workload]-[Environment]-[Region]-[Instance]
• Example: st-myapp-prod-eus-001 (Storage Account, MyApp, Prod, East US, 001).

7. Quality Checklist

Governance:

• Naming: Resources follow CAF naming conventions.
• Tagging: Resources tagged with CostCenter, Environment, Owner.
• Policies: Azure Policy enforces compliance (e.g., allowed SKUs).

Security:

• Network: No public IPs on backend resources (VMs, DBs).
• Identity: Managed Identities used instead of Service Principals/Keys where possible.
• Encryption: CMK (Customer Managed Keys) enabled for sensitive data.

Reliability:

• Availability Zones: Critical resources deployed zone-redundant (ZRS).
• Backup: Azure Backup enabled for VMs and SQL.
• Locks: Resource Locks (CanNotDelete) on critical production resources.

Cost:

• Sizing: Resources right-sized based on metrics.
• Reservations: Reserved Instances purchased for steady workloads.
• Cleanup: Unused resources (orphaned disks/NICs) deleted.

Examples

Example 1: Multi-Subscription Landing Zone Setup

Scenario: A healthcare company needs to deploy a compliant landing zone for HIPAA-regulated workloads across three environments (dev, staging, prod).

Architecture:

1. Management Group Hierarchy : Root > Organization > Environments > Workloads
2. Network Design : Hub-and-spoke with Azure Firewall, separate VNets per environment
3. Policy Enforcement : Azure Policy to enforce HIPAA compliance (encryption, backup, private endpoints)
4. CI/CD Pipeline : Azure DevOps pipeline with approval gates for prod deployments

Key Components:

• Azure Firewall Manager for centralized policy
• Private DNS Zones for app-internal resolution
• Azure Backup with immutable vaults for compliance
• Cost Management tags for departmental chargebacks

Example 2: Zero-Trust Network Architecture

Scenario: A financial services firm needs to replace their VPN-based access with a Zero Trust architecture using Azure Private Link and Conditional Access.

Implementation:

1. Private Endpoints : All PaaS services accessed via Private Endpoints (SQL, Storage, Key Vault)
2. Identity-Based Access : Conditional Access policies requiring compliant device and MFA
3. Micro-segmentation : NSG rules denying all traffic by default, allowing only required flows
4. Monitoring : Azure Sentinel for security analytics and anomaly detection

Security Controls:

• Azure AD Conditional Access with device compliance
• Just-In-Time VM access for administration
• Azure Defender for Cloud threat protection
• Comprehensive audit logging to Log Analytics

Example 3: Cost-Optimized Dev/Test Environment

Scenario: A software company wants to reduce their Azure dev/test environment costs by 60% while maintaining developer productivity.

Optimization Strategy:

1. Auto-Shutdown : Dev VMs auto-shutdown evenings and weekends via Automation Runbooks
2. Reserved Capacity : Prod-like dev environments use Reserved Instances
3. Dev-Optimized SKUs : Development uses Dev/Test SKUs where available
4. Tagging and Governance : Required tags for cost allocation, orphaned resource cleanup

Cost Savings Results:

• 65% reduction in dev/test compute costs
• Automated cleanup of unused resources saving $2K/month
• Reserved Instance savings for stable environments
• Developer productivity maintained with auto-start capabilities

Best Practices

Infrastructure as Code

• Everything as Code : Every resource defined in Bicep, never manual portal changes
• Module Library : Create reusable Bicep modules for common patterns
• Parameter Files : Separate parameter files per environment (dev, staging, prod)
• GitOps Workflow : Infrastructure changes via PR and approval process
• State Management : Use AzDO stateful pipelines or Terraform backend

Networking Excellence

• Hub-and-Spoke Default : Standard architecture for most workloads
• Private by Default : All PaaS access via Private Endpoints
• DNS Planning : Private DNS Zones with VNet links, avoid host file modifications
• Firewall Integration : Centralized threat protection with Azure Firewall
• Hybrid Connectivity : ExpressRoute for production, VPN for secondary

Security Hardening

• Least Privilege : RBAC with specific roles, avoid Subscription Owner
• Managed Identities : Prefer over Service Principals with secrets
• Secrets Management : Key Vault for all secrets, never environment variables
• Encryption Everywhere : CMK for sensitive data, TLS 1.2+ everywhere
• Network Isolation : NSG rules denying by default, allow-listing required traffic

Cost Management

• Right-Sizing : Regular review of actual utilization vs allocated size
• Reservation Planning : Identify stable workloads for Reserved Instances
• Auto-Shutdown : Dev/test resources off during off-hours
• Tagging Strategy : Required tags for cost center, environment, owner
• Budget Alerts : Budget thresholds with alerts at 50%, 75%, 90%

Governance and Compliance

• Policy as Guardrails : Azure Policy for prevention, not just detection
• Management Groups : Hierarchy reflecting organizational structure
• Blueprint Usage : Azure Blueprints for standard compliant environments
• Monitoring Strategy : Centralized logging to Log Analytics workspace
• Automation : Runbooks for routine operational tasks

Weekly Installs

69

Repository

404kidwiz/claud…e-skills

GitHub Stars

42

First Seen

Jan 24, 2026

Security Audits

Gen Agent Trust HubFailSocketPassSnykPass

Installed on

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gemini-cli53

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github-copilot46

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