I design, build, operate, and apply systems and security engineering to automation, delivery, and observability across on-premises and cloud environment infrastructure.

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Domains & Methodologies: Infrastructure as Code (IaC), Continuous Integration and Continuous Delivery (CI/CD), DevOps, GitOps, Configuration Management, Distributed Systems, Storage, Container Orchestration, Linux, Networking, On-premises Infrastructure, Security Hardening, High Availability (HA), Fault Tolerance, Service Discovery, Load Balancing, Horizontal Scaling, SLO/SLI Definition, Reliability Engineering, Secrets Management

Automation: GitLab CI/CD, GitHub Actions, Git, Terraform, Bash, Go, Python, Ansible, Claude, GitHub Copilot

Delivery: Linux, Docker, Kubernetes (K8s, Helm, ArgoCD), Consul, Nomad, AWS (IAM, EC2, ECS, ECR, S3, ALB/ELB, VPC, Fargate), AWS Secrets Manager, Tailscale, Cloudflare, Render, HashiCorp Vault, SOPS/age, Trivy, govulncheck, PostgreSQL, SQL

Observability: AWS CloudWatch, Grafana LGTM stack (Loki, Grafana, Tempo, Mimir), Grafana Alloy, Alertmanager, Prometheus, OpenTelemetry Collector, Node exporter, Consul Connect mutual-TLS service mesh

Description: A Go webhook relay app through multi-stage GitLab CI/CD with Grafana's Loki-Grafana-Tempo-Mimir (LGTM) observability stack, Consul Connect mutual-TLS service mesh, and AWS deployment. Instrumented end-to-end with OpenTelemetry for trace, metric, and log correlation.

Technologies: Go · GitLab CI/CD · Terraform · AWS ECS Fargate · Nomad · OTel

Description: Infrastructure-as-code and documentation for an on-premises GitLab CI/CD pipeline, Grafana's Loki-Grafana-Tempo-Mimir (LGTM) observability stack, Nomad orchestration, and Tailscale networking on Linux.

Technologies: GitLab CE · Docker Compose · LGTM · Nomad · Consul · Tailscale

┌─────────────────────────────────────────────────────────────────────┐
│ cicd-observability-stack                                            │
│                                                                     │
│  ┌─────────────┐     ┌──────────────────┐     ┌─────────────────┐   │
│  │  GitLab CE  │───▶│  GitLab Runner   │───▶│  Loki · Grafana │   │
│  │  Registry   │     │  Docker executor │     │  Tempo · Mimir  │   │
│  └─────────────┘     └──────────────────┘     │  Alloy · OTel   │   │
│                                               └────────┬────────┘   │
└────────────────────────────────────────────────────────│────────────┘
                                                         │ observes
┌────────────────────────────────────────────────────────│────────────┐
│ go-cicd-observability                                  │            │
│                                                        ▼            │
│  ┌─────────────┐     ┌──────────────────┐     ┌─────────────────┐   │
│  │ Go webhook  │───▶│   GitLab CI/CD   │───▶│ Nomad · Consul  │   │
│  │ relay · OTel│     │   6 stages       │  ╔══│ mTLS  · homelab │   │
│  └─────────────┘     └──────────────────┘  ║  └─────────────────┘   │
│                                            ║                        │
│                                            ╚══▶┌─────────────────┐ │
│                                                 │ AWS ECS Fargate │ │
│                                                 │ Terraform · ALB │ │
│                                                 └─────────────────┘ │
└─────────────────────────────────────────────────────────────────────┘