Architecting Enterprise Cloud Platforms That Deliver
Turning complex technology into clear business value for over 20 years. Designing and delivering resilient, compliant cloud platforms across Azure, Kubernetes, and hybrid environments with zero standing privilege, Entra ID Tier 0/1/2 isolation, and automated GitOps.
01# Subscription Vending & Tier-0 Access Model
02module "lz_subscription_vending" {
03 source = "git::ssh://gitlab.com/grinntec/tf-lz//vending"
04
05 management_group_id = var.mg_workloads_online
06 delivery_lane = "lane_b_gitops"
07 standing_privilege_mode = "zero_standing"
08
09 pim_role_eligibility = {
10 persona = "pag-t0-manage-azure-privileged-access-grants"
11 max_duration = "PT4H"
12 mfa_required = true
13 approval_gate = local.tier0_approvers
14 }
15}Zero-Standing Privilege & Dual-Lane Delivery Methodology
Standing Contributor or Owner assignments create unnecessary blast-radius risk across cloud control planes. The platform separates changes into Lane A (Tier-0 Control Plane) and Lane B (Workload GitOps) using Entra ID Privileged Access Groups, OIDC workload identity federation, and verified apply-merged pipelines.
Enterprise-Scale Landing Zones, Subscription Vending & Policy as Code
Automated subscription provisioning backed by a structured management group hierarchy, Enterprise Policy as Code (EPAC), and hub-and-spoke Virtual WAN connectivity — giving workload teams ready-to-use environments with governance built in from day one.
System Blueprints, AKS & Distributed Caching
Enterprise system blueprints, CAF alignment, Azure Kubernetes Service (AKS) topologies, caching architectures, and CI/CD pipelines.
Traffic Routing, Data Stores & Messaging
Structured decision pathways for selecting application ingress routing, relational vs. non-relational data stores, and messaging services.
Cloud Design Patterns & IaC Standards
Battle-tested architectural patterns across private networking, identity security, data solutions, and reusable Terraform modules.
Implementation Playbooks & Technical Docs
Step-by-step engineering playbooks, operational specifications, and hands-on validation labs across cloud and infrastructure stacks.
Architectural Pillars¶
Cloud & Platform Foundation
- Multi-cloud & hybrid cloud architecture strategies
- Microsoft Cloud Adoption Framework (CAF) landing zones
- Subscription vending factories & management group hierarchies
- 3-Tier Terraform module taxonomy & state isolation
- GitLab CI/CD & GitHub Actions with OIDC federation
Zero-Standing Privilege & Security
- Dual-Lane delivery methodology (Lane A Control Plane vs Lane B GitOps)
- Enterprise Access Model (EAM) & Entra ID Tier 0/1/2 role mapping
- Azure Policy as Code (EPAC) & Defender Secure Score automation
- Break-glass accounts, Privileged Access Workstations (PAWs) & PIM
- Service principal vending with automated lifecycle management
Kubernetes & Infrastructure
- Azure Kubernetes Service (AKS) enterprise cluster deployment
- Virtual WAN & hub-and-spoke enterprise network topologies
- Private endpoints, custom DNS routing & egress security
- Enterprise Windows Server, Linux & hybrid VMware IaaS
- FinOps governance, commitment discounts & log analytics optimization
Leadership & Governance
- Formal Architecture Decision Records (ADRs) & decision trees
- Translating complex engineering designs into executive business value
- Mentoring cross-functional cloud engineering & operations teams
- Regulatory compliance frameworks & automated audit trails
- Platform lifecycle management, versioning & workload onboarding