# Vladislav Bubnov — DevOps / SRE Engineer

> DevOps Engineer with 7+ years of experience building and operating production infrastructure. Specializing in Kubernetes, CI/CD, Infrastructure as Code, and SRE practices.

## Contact

- Email: vldbubnov@gmail.com
- Telegram: @nam31ess
- Phone: +7 (999) 765-01-13
- Location: Smolensk, Russia (remote)
- English: B2 (Upper-Intermediate)
- GitHub: https://github.com/Faust13
- LinkedIn: https://www.linkedin.com/in/vladislav-bubnov-637a1813a/

## Key Skills

- **Containers & Orchestration:** Kubernetes (Managed, Kubespray), Docker, Helm
- **IaC & Automation:** Ansible, Terraform, Bash, Python, Golang
- **CI/CD:** GitLab CI/CD, GitLab Runner, ArgoCD, werf
- **Monitoring & Observability:** Prometheus, Alertmanager, Grafana, Loki, Tempo, OpenTelemetry, ELK (Elasticsearch, FluentD/FluentBit, Kibana), Vector, ClickHouse
- **Databases:** PostgreSQL (Citus, Patroni), MongoDB, MySQL, ClickHouse, Consul (KV)
- **Cloud Platforms:** Yandex Cloud, Selectel
- **SRE Practices:** Incident Management, DORA metrics, High Availability, Disaster Recovery, Backup & Restore
- **OS:** Linux (administration, troubleshooting, networking)

## Experience

### Lead DevOps Engineer — HRBox (Mar 2023 — Present)
Multi-tenant SaaS platform. Kubernetes infrastructure design, Helm charts, CI/CD (GitLab CI, werf), PostgreSQL clusters (Citus), WAL-G backups with PITR, monitoring from scratch (Prometheus, Grafana), centralized logging (FluentBit → Loki), OpenTelemetry tracing, DDoS protection (CrowdSec), dynamic dev environments (70% faster testing), infrastructure cost optimization (20% reduction), ChatOps in Slack, hiring and mentoring.

### DevOps Engineer — Yandex Practicum (Mar 2023 — Aug 2024)
Educational infrastructure in Yandex Cloud (Terraform, Ansible), CI/CD pipelines (GitLab CI, ArgoCD), self-service student web app (Python, Flask) with LDAP auth and auto-generated kubeconfig — reduced on-call load by 25%.

### DevOps Course Mentor — Yandex Practicum (Jun 2022 — Mar 2023)
Code reviews, webinars (Docker, Kubernetes, CI/CD, monitoring), student mentoring.

### Senior DevOps Engineer — Cloud Team (Feb 2022 — Mar 2023)
Client: VseInstrumenty.ru. DORA metrics, SRE incident response, cloud infrastructure (Yandex Cloud, Selectel), PostgreSQL HA (Patroni + Consul), logging migration to Vector + ClickHouse, SRE dashboard for one-click DC traffic switching.

### DevOps Engineer — Cloud Team (Mar 2021 — Jan 2022)
Client: VseInstrumenty.ru. Kubernetes migration (bare-metal, Kubespray), containerization, Helm charts, monitoring from scratch (Prometheus, Grafana), centralized logging (ELK/EFK).

### Senior System Administrator — Eteron (Jun 2020 — Feb 2021)
IT infrastructure management, Docker/CI/CD/monitoring maintenance, hiring and training.

### Linux System Administrator — IT Grade (Sep 2019 — Sep 2020)
Server deployment automation (Ansible), web servers (Nginx, Apache), Elasticsearch, MySQL replication.

### Linux System Administrator — Eteron (Mar 2019 — Jun 2020)
Centralized logging (EFK), Docker migration, CI/CD from scratch, SonarQube, monitoring (Prometheus + Grafana), automation (Ansible, Bash, Python).

### System Administrator — Newcontact (Feb 2017 — Dec 2018)
Infrastructure for 320+ workstations, Active Directory, Windows/Linux servers.

### Technical Support Specialist — Mannet (Jul 2015 — Oct 2016)
ISP first/second-line support, Zabbix, hardware testing.

## Education

Bachelor's — Applied Computer Science in Economics, RANEPA (Smolensk branch), 2018