https://iulianmihai.com/en/blog/ Practical insights on cloud architecture, FinOps, AI strategy, and enterprise transformation from a Principal Cloud & AI Architect. en Wed, 29 Apr 2026 21:54:59 GMT https://iulianmihai.com/images/og-default.png https://iulianmihai.com/en/blog/ https://iulianmihai.com/en/blog/agentic-ai-production-architectures/ https://iulianmihai.com/en/blog/agentic-ai-production-architectures/ The more useful your AI becomes, the more dangerous it becomes. After reviewing and building agentic systems across regulated industries, here are the architecture patterns that survive security review, audit, and production scale — and the ones that don\u2019t. Tue, 07 Apr 2026 00:00:00 GMT me@iulian.in (Iulian Mihai) Agentic AI Enterprise AI AI Security Azure OpenAI Managed Identity GDPR RAG AI Governance Production AI https://iulianmihai.com/en/blog/when-to-hire-cloud-architect/ https://iulianmihai.com/en/blog/when-to-hire-cloud-architect/ Cloud bills growing faster than revenue? Compliance deadline looming? Migration stuck? Here are 7 signs you need a cloud architect, what they actually do vs. a DevOps engineer, and the 5 questions that separate a great hire from a costly mistake. Sat, 28 Mar 2026 00:00:00 GMT me@iulian.in (Iulian Mihai) Cloud Architect Consulting Hiring Enterprise Europe https://iulianmihai.com/en/blog/cloud-cost-optimization-european-mid-market/ https://iulianmihai.com/en/blog/cloud-cost-optimization-european-mid-market/ European mid-market companies overspend on cloud by 30-40% without knowing it. GDPR adds cost layers, multi-region is expensive, and nobody owns the bill. Here is a practical 90-day playbook to fix it. Sat, 28 Mar 2026 00:00:00 GMT me@iulian.in (Iulian Mihai) FinOps Cloud Cost Azure Europe Mid-Market GDPR https://iulianmihai.com/en/blog/questions-cfo-cloud-investment/ https://iulianmihai.com/en/blog/questions-cfo-cloud-investment/ Cloud investments fail not because of technology, but because leadership does not ask the right questions upfront. These 5 questions separate successful cloud investments from expensive disappointments. Sat, 28 Mar 2026 00:00:00 GMT me@iulian.in (Iulian Mihai) CFO Cloud Investment ROI FinOps Cloud Strategy Executive https://iulianmihai.com/en/blog/cloud-center-of-excellence/ https://iulianmihai.com/en/blog/cloud-center-of-excellence/ Most Cloud Centers of Excellence fail not because they're underfunded, but because they're built as governance bodies instead of operational systems. After building and fixing CCoEs across regulated enterprises, here are the patterns that survive. Thu, 12 Feb 2026 00:00:00 GMT me@iulian.in (Iulian Mihai) CCoE Cloud Governance Landing Zones Azure Platform Engineering FinOps Identity EU Compliance https://iulianmihai.com/en/blog/finops-startups-vs-enterprises/ https://iulianmihai.com/en/blog/finops-startups-vs-enterprises/ FinOps looks different at every scale. Startups use it to buy time. Enterprises use it to buy trust. After working both sides, here are the patterns that actually matter — and the mistakes that keep repeating. Thu, 12 Feb 2026 00:00:00 GMT me@iulian.in (Iulian Mihai) FinOps Startups Enterprise Cloud Costs Azure Cost Optimization Governance Cloud Architecture https://iulianmihai.com/en/blog/llm-integration-patterns-enterprise/ https://iulianmihai.com/en/blog/llm-integration-patterns-enterprise/ Most LLM pilots fail not because the model isn't smart enough, but because the architecture treats a probabilistic model like a deterministic database. After building and dismantling multiple LLM integrations across regulated industries, here are the patterns that actually work. Mon, 02 Feb 2026 00:00:00 GMT me@iulian.in (Iulian Mihai) LLM Enterprise AI Azure OpenAI API Gateway RAG AI Governance Observability FinOps Data Residency https://iulianmihai.com/en/blog/how-i-reduced-cloud-costs-by-40percent-a-finops-case-study/ https://iulianmihai.com/en/blog/how-i-reduced-cloud-costs-by-40percent-a-finops-case-study/ A real FinOps correction in a large Azure estate: cost visibility via Workbooks, ownership boundaries, Well-Architected decision filters, reservations done safely, and durable operating rhythms. Wed, 07 Jan 2026 00:00:00 GMT me@iulian.in (Iulian Mihai) FinOps Azure Cost Optimization Azure Monitor Workbooks Governance Well-Architected AKS Cloud Architecture https://iulianmihai.com/en/blog/building-production-rag-systems-lessons-learned/ https://iulianmihai.com/en/blog/building-production-rag-systems-lessons-learned/ RAG is easy to demo and hard to ship. Here are the production lessons that matter most: retrieval quality, access control, evaluation, observability, cost, and reliability. Tue, 06 Jan 2026 00:00:00 GMT me@iulian.in (Iulian Mihai) RAG LLMs Azure OpenAI AI Governance Observability Security Evaluation Vector Search https://iulianmihai.com/en/blog/from-developer-to-principal-architect/ https://iulianmihai.com/en/blog/from-developer-to-principal-architect/ I didn’t plan to become an architect. Over time I realized the hardest problems weren’t solved in IDEs — they lived in ownership, constraints, governance, and the systems around the code. Mon, 22 Dec 2025 00:00:00 GMT me@iulian.in (Iulian Mihai) Architecture Leadership Career Governance Operating Model Cloud https://iulianmihai.com/en/blog/agentic-ai-future-of-automation/ https://iulianmihai.com/en/blog/agentic-ai-future-of-automation/ Traditional automation breaks when reality changes. Agentic systems work differently: they own a goal, operate within constraints, and earn autonomy over time. Here’s where agentic AI works today — and how to design it with governance, cost, and accountability. Thu, 18 Dec 2025 00:00:00 GMT me@iulian.in (Iulian Mihai) Agentic AI Automation Governance Azure OpenAI Observability FinOps Cloud Security https://iulianmihai.com/en/blog/cloud-migration-5-mistakes-to-avoid/ https://iulianmihai.com/en/blog/cloud-migration-5-mistakes-to-avoid/ The hardest migration failures don’t come from tooling. They come from assumptions about operating model, identity, cost, network reality, and how you’ll evolve toward AI. Here are five mistakes I’ve made (or inherited) — and how to avoid them. Tue, 16 Dec 2025 00:00:00 GMT me@iulian.in (Iulian Mihai) Cloud Migration Operating Model Identity FinOps Networking Governance AI https://iulianmihai.com/en/blog/cloud-migration-lift-shift-done-right/ https://iulianmihai.com/en/blog/cloud-migration-lift-shift-done-right/ Lift-and-shift gets a bad reputation, but the problem isn't the approach — it's doing it blindly. Learn the five-step roadmap that separates successful cloud migrations from expensive mistakes. Thu, 11 Dec 2025 00:00:00 GMT me@iulian.in (Iulian Mihai) Cloud Migration Lift and Shift Cloud Strategy Azure AWS Cloud Architecture Digital Transformation https://iulianmihai.com/en/blog/prometheus-grafana-monitoring-beyond-kubernetes/ https://iulianmihai.com/en/blog/prometheus-grafana-monitoring-beyond-kubernetes/ Prometheus and Grafana are often associated with Kubernetes, but their real value is broader: reliable metrics, alerting, and observability for any infrastructure. Learn why they matter for teams running traditional VMs, hybrid cloud, or legacy applications — and how to get started without over-engineering. Thu, 04 Dec 2025 00:00:00 GMT me@iulian.in (Iulian Mihai) DevOps Observability Monitoring Prometheus Grafana SRE Infrastructure https://iulianmihai.com/en/blog/azure-landing-zones-technical-deep-dive/ https://iulianmihai.com/en/blog/azure-landing-zones-technical-deep-dive/ The implementation companion for architects: Bicep code for management groups, Azure Policy examples for governance, hub-spoke networking patterns, and my honest take on CAF modules vs custom approaches. Tue, 02 Dec 2025 00:00:00 GMT me@iulian.in (Iulian Mihai) Azure Landing Zones Bicep Azure Policy Infrastructure as Code Technical https://iulianmihai.com/en/blog/eu-data-sovereignty-gdpr-compliance/ https://iulianmihai.com/en/blog/eu-data-sovereignty-gdpr-compliance/ EU data sovereignty & GDPR compliance. Design cloud architectures that meet strict EU data sovereignty and GDPR requirements. Ensure data stays within European borders, reduce compliance risk, and build cloud strategies aligned with regulatory, security, and business needs. Sun, 30 Nov 2025 00:00:00 GMT me@iulian.in (Iulian Mihai) Data Sovereignty GDPR Compliance EU Regulations Cloud Security AI Governance Privacy https://iulianmihai.com/en/blog/azure-landing-zones-principal-architect-guide/ https://iulianmihai.com/en/blog/azure-landing-zones-principal-architect-guide/ Design and implement secure, scalable cloud foundations with Azure Landing Zones. Build a governed environment that supports rapid innovation, protects data, reduces operational risk, and scales confidently across the enterprise. Fri, 28 Nov 2025 00:00:00 GMT me@iulian.in (Iulian Mihai) Azure Landing Zones Cloud Governance Enterprise Architecture Security Compliance https://iulianmihai.com/en/blog/multi-cloud-architecture-from-chaos-to-control/ https://iulianmihai.com/en/blog/multi-cloud-architecture-from-chaos-to-control/ Most multi-cloud stories begin with good intentions and end with a spreadsheet full of regret. Learn how to build intentional multi-cloud architectures that give you leverage, resilience, and cost control—without the chaos. Thu, 27 Nov 2025 00:00:00 GMT me@iulian.in (Iulian Mihai) Multi-Cloud Cloud Strategy Cloud Governance Architecture Azure AWS GCP