Андрей Пестов
DevOps Engineer / SRE

Andrey Pestov

10+ years in infrastructure, 6+ in DevOps roles. Started by building a federal taxi service infrastructure from scratch — Proxmox, Ceph, Asterisk, Cisco networking. Hands-on engineer: not just drawing diagrams, but actually configuring, fixing, and doing on-call.

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What I Do

Kubernetes & Containers
Kubernetes on bare-metal via kubespray — deployment, updates, production operations. Helm charts, manifests, ML workloads with GPU.
CI/CD & Automation
GitLab CI: pipelines from scratch, project migration, troubleshooting. Terraform + Ansible for IaC. Bash — primary working tool.
Monitoring & HA
VictoriaMetrics + Grafana, Zabbix. Dashboards, alerts, implementation from scratch. HA: HAProxy, nginx, OpenResty — proxying, load balancing.
Infrastructure & Networking
Proxmox VE + Ceph, bare-metal HP/Huawei servers. Cisco, Mikrotik, Eltex — VLAN, VPN, inter-office connectivity. Linux — always the primary OS.

Resume

10+ Years of Experience

Experience

Present GID
Sr. DevOps Engineer
Managing k8s clusters including ML workloads with GPU. Helm deployments, project migrations, CI/CD via GitLab. Automation via Terraform + Ansible. Monitoring (VictoriaMetrics, Grafana), HA for critical services. Supporting Data teams: Airflow, Spark, S3, PostgreSQL, ClickHouse.
2021 – 2025 GPM Data
Sr. DevOps Engineer
Deploying k8s via kubespray, Helm charts and manifests. CI/CD in GitLab. HA: HAProxy, OpenResty, nginx. ClickHouse, PostgreSQL support, legacy services. Proxmox clusters, VM migration.
2018 – 2021 OCRV / Russian Railways
DevOps Engineer
DevOps in the PK GIP product team — railway monitoring, drones. Monolith-to-microservices migration with k8s orchestration. CI/CD, monitoring and alerting (Grafana, Zabbix). Worked with Spring Boot microservices (Eureka, Keycloak, Kafka, PostgreSQL, Sentry) — Docker Compose deployment, debugging via jstack/jdump, heap and thread dump analysis for leak and deadlock investigation.

Earlier Experience

2016 – 2018 RusGIS
SysOps Engineer
GIS infrastructure for government clients (GeoServer, OpenStreetMap, PostGIS). Vault, FreeIPA, Nexus, GitLab CI/CD. Deployment on OpenShift/OpenStack. SSO via Keycloak. Java/Spring service support — diagnostics via jstack/jdump, working with Docker Compose stack (Eureka, Kafka, PostgreSQL).
2011 – 2016 NonStop
Lead System Administrator
Designed and maintained federal taxi service infrastructure. Proxmox + Ceph, bare-metal HP/Huawei servers. Networking: Cisco, Mikrotik, Eltex — VLAN, VPN. VoIP: Asterisk (AEL), GSM gateways, E1.

Growing in

PostgreSQL & ClickHouse — support, replication. ML-infra — Airflow, Spark, GPU in k8s. Security — Vault, FreeIPA, Keycloak. Python — scripting, reading others' code.

Technologies

Kubernetes Helm Docker GitLab CI/CD Terraform Ansible Bash Linux Proxmox VE Ceph HAProxy nginx OpenResty VictoriaMetrics Grafana Zabbix PostgreSQL ClickHouse Airflow Spark Vault FreeIPA Keycloak Cisco Mikrotik Asterisk Spring Boot Eureka Kafka Sentry jstack / jdump Docker Compose Python
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References available upon request