Anatolii Belozerov

Experience

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  Вега+

  Jun 2006 - Apr 2019

  Lead System Engineer/DevOps

  - Delivered comprehensive IT infrastructure maintenance for small to medium-sized businesses, including server, network, and workstation management.- Installed, configured, and maintained Windows, Linux, and FreeBSD servers, along with Windows workstations.- Configured data archiving and recovery systems, minimizing downtime during failures.- Performed network and mail server configuration and maintenance, ensuring stable and secure operation.- Provided training and technical support to employees, improving their IT literacy and operational efficiency. Show less

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  ООО "ВВХВ"

  May 2019 - Oct 2020

  DevOps Engineer

  - Created 5 GitLab CI/CD pipelines for automated website builds and deployments in Docker Swarm.- Developed Ansible Playbooks to automate infrastructure deployment.- Deployed 2 production test environments in Selectel and Linode clouds using Terraform, ensuring their stable operation.- Configured data archiving and backup systems using Borg Backup, enhancing system reliability.- Organized 3 tutorials on Docker and Docker Compose for development and testing teams.- Supported colleagues in setting up a load-testing environment using Locust. Show less

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  Luxoft

  Oct 2020 - Nov 2022

  Senior DevOps Engineer

  - Created and maintained Jenkins CI/CD pipelines for automated builds, testing, and deployments to OpenShift and Kubernetes.- Authored 7 new pipelines in Groovy, accelerating pipeline migration to new environments by 70%.- Developed 5 Ansible Playbooks to automate infrastructure deployments, including cluster setups.- Deployed infrastructure to 6 new environments using Jenkins CI/CD and Ansible Playbooks.- Refactored insecure Groovy methods in 7 playbooks to comply with security requirements.- Created 5 Helm Charts for Kubernetes application deployments.- Assisted new colleagues with onboarding and adaptation processes. Show less

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  AMIO BANK

  Dec 2022 - now

  Senior DevOps Engineer

  - Developed 50+ GitLab CI/CD pipelines and Ansible Playbooks for Kubernetes deployments using Argo CD.- Independently deployed and configured GitLab, migrating code from GitHub to a local GitLab instance.- Deployed 2 Kubernetes clusters and migrated applications from Docker Swarm to Kubernetes, increasing site throughput from 250 to 4,000 requests per second on the same hardware, utilizing 20 Helm Charts.- Deployed 5 PostgreSQL clusters, enhancing fault tolerance to 99.9% and reducing master-node switching time to under 1 second.- Implemented and configured logging systems using the ELK Stack (Elasticsearch, Kibana, Logstash, Filebeat, Fluentbit) in the development environment and OpenSearch in production.- Conducted 20 training sessions on Docker, Docker Compose, and Ansible, mentoring new DevOps professionals.- Deployed and managed Minio S3, Hazelcast, MongoDB, and Kafka clusters.- Configured data archiving using Borg Backup. Show less