Andrei Aleksandrov

- Built GitOps platform for multi-cluster Kubernetes (Argo CD ApplicationSet merge + multi-source). - Standardized Helm deployments with per-cluster/per-env values. - Automated TLS via cert-manager DNS01 (Cloudflare) and centralized secrets/credentials with Vault Static Secrets + Reflector. - Implemented observability (Prometheus/VictoriaMetrics/Grafana), Jenkins on k8s, and internal Go/Python tools incl. custom Airflow images.

- Led migration from Mesos/Calico to Kubernetes and introduced GitOps/IaC. - Rebuilt monitoring with Telegraf + Prometheus/Grafana, automated OpenVPN access, and developed a Go backend (Gin). - Built a Telegraf plugin for Fujitsu SAN and deployed internal S3-compatible storage (MinIO).

- Promoted to SRE team lead for terminal platform. - Migrated infrastructure from Gentoo to Ubuntu and redesigned deployments with Ansible + Jenkins. - Built backend services in Python and Go, developed microservices and monitoring tools for 10-12k active workstations.

Restored and modernized the company IT infrastructure, introduced diskless workstations and Asterisk. Implemented OSPF routing across sites and automated admin tasks with Python.

Built multi‑site infrastructure, deployed IP telephony and conferencing, and virtualized workplaces.