Joe Hernandez
7+ years across regulated and high-growth environments (medical devices, enterprise SaaS, financial services), owning cloud infrastructure across 120+ production services, incident response, and the automation that eliminates manual toil. An SRE who actively codes in Go, builds Next.js applications, and standardizes infrastructure with Terraform.
Certifications & Credentials
Validated expertise across Azure identity, compute, virtual networking, storage governance, and security.
5 merged pull requests adding resource schemas, Azure REST API mappings, and Go acceptance tests.
Proven experience operating HIPAA and compliance-aware platforms generating tens of millions in annual revenue.
Career Journey & Impact
A track record of progressive ownership across platform engineering, reliability, and developer experience:
Senior Site Reliability Engineer
2021 – Present- Owned cloud infrastructure and platform reliability across 120+ production microservices.
- Architected and deployed shared multi-tenant AKS clusters with RBAC, network isolation, and GitOps observability.
- Led zero-downtime migration of a platform generating tens of millions in annual revenue off legacy infrastructure to Azure App Service, maintaining 99.99% uptime with on-call paging about once every six months.
- Standardized reusable Terraform modules across multiple engineering organizations and mentored teams on IaC adoption.
Site Reliability & Cloud Infrastructure Engineer
2018 – 2021- Built automation in Python for capacity planning reporting, slashing a 30+ minute monthly manual task down to under 2 minutes for 10+ engineers.
- Conducted systematic compute and database right-sizing, saving $12K+ per month in ongoing cloud infrastructure spend.
- Executed planned Azure service retirements (Redis TLS 1.2 upgrade, storage account transitions) ahead of deadlines with zero downtime.
Software Developer & Systems Specialist
2017 – 2018- Developed backend utilities and web tools in modern JavaScript, Go, and Java to automate repetitive operational tasks.
- Established early CI/CD deployment pipelines, bridging the communication gap between product developers and infrastructure.
Featured Projects & Open Source
A sample of recent engineering initiatives. See the full case studies with architecture topologies on the Projects page.
- 🖥️ VisualTF (Personal Project): In-browser visual drag-and-drop cloud architecture canvas that compiles live into idiomatic Terraform HCL with built-in security guardrails. View demo →
- ☸️ Shared AKS Platform: Multi-tenant Kubernetes platform built from scratch with custom networking, RBAC boundaries, and Prometheus/Grafana observability. Read observability deep dive →
- 🌐 HashiCorp azurerm Contributions: 5 merged pull requests to the upstream AzureRM Terraform provider written in Go. Read story →
Latest Technical Posts
Practical insights on SRE practices, incident management, cloud architecture, and modern development.
Technical Focus Areas
- 🤖 Automation & Tooling: Eliminating manual toil with custom Go CLI tools, Python scripts, and CI/CD pipelines.
- ☁️ Azure & Cloud Governance: Enterprise-grade Azure architectures, Private Endpoints, Key Vault CSI secret delivery, and VNet peering.
- 🏗️ Terraform (IaC): Standardized, reusable Terraform modules, policy-as-code guardrails, and provider contributions.
- ☸️ Kubernetes (AKS): Multi-tenant cluster platforms, ingress controllers, RBAC access models, and resource quotas.
- 📊 Observability & SLIs/SLOs: Building actionable Prometheus metrics, Grafana dashboards, and meaningful error budget alerting.
- 💻 Full-Stack & Software Development: Next.js, React, Go backend microservices, and Flutter cross-platform applications.
Looking for a Detailed Resume?
To respect current employer confidentiality, company names are anonymized on this public portfolio. An unredacted resume containing complete employer histories, architectural case studies, and references is readily available for hiring managers and recruiters upon request.