ALEKSEI KOLESAEV

DevOps / DevSecOps

AWS Kubernetes Terraform GitLab CI Go DevSecOps

ABOUT

IT since 2012. SysAdmin → DevOps (2021). Design and run production infrastructure for fintech: 70+ microservices (Kotlin), 10+ React apps, 3 k8s clusters (dev/stage/prod).

Core: AWS (EKS), Kubernetes, IaC. DevSecOps: Cosign (container signing), CrowdSec (custom Go bouncer with VPC ACL blocking), ModSecurity, vulnerability gates in CI/CD (Harbor/Trivy → SonarQube). Write Go tools when needed.

/stack

  • GitLab CI
  • Terraform
  • Ansible
  • Docker
  • Kubernetes (EKS / self‑managed / GKE / Yandex)
  • Helm
  • Harbor
  • Nexus
  • Vault
  • AWS
  • GCP
  • Yandex Cloud
  • Bash
  • Python
  • Go
  • Prometheus/VictoriaMetrics
  • Grafana
  • OpenSearch
  • Nginx/ModSecurity
  • CrowdSec
  • Cosign
  • Rocky Linux
  • Ubuntu
  • Debian
  • RHEL
  • Selectel
  • TCP/IP

CERTIFICATES