Qualified technical expert with 15 years of experience in server administration, network management, and data storage systems. Skilled in installing, configuring, and integrating databases to ensure the stable operation of high-load systems.Adaptable to rapidly changing technological requirements, capable of creating and optimizing infrastructure for various projects, and providing support to colleagues and development teams.Infrastructure Management and DevOps:· DevOps practices and principles.· Infrastructure as Code (IaC) methodology.· Automation of work processes using various tools and technologies.· Creation and organization of infrastructure departments.· Data processing on different platforms.Monitoring:· Monitoring of infrastructure, applications, and business metrics.· Zabbix, VictoriaMetrics, Prometheus, and Grafana.· Setting up and optimizing monitoring systems for timely detection and resolution of issues.Data and Database Management:· Data and database management.· Database management systems (DBMS), including ClickHouse, PostgreSQL, Percona clusters, MySQL/MariaDB, and MS SQL.· NoSQL (Zookeeper, Redis, Memcache, Cassandra, MongoDB)System Administration and Integration:· System administration on platforms such as CentOS, Gentoo, Debian, Ubuntu, and LFS.· Integration of infrastructure components and services, including network and server technologies.· Support for infrastructure at the virtualization and container level.Software Development and Support:· Supporting software solutions developed in C++ and Python.· Creating and optimizing tools and toolchains for code development and execution.· Integrating with platforms such as Git, Jira, Confluence, Bitbucket, Bamboo, Redmine, Jenkins, and TeamCity.Technical Optimization and Tuning:· Low-latency tuning of networks and operating systems.· Optimization of infrastructure and applications for high-load and mission-critical scenarios.
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Head Of InfrastructureFree Vpn Planet Srl Mar 2024 - Jul 2024WorldwideОбязанности и достижения: - Руководил отделом из 10 человек, включая подбор двух новых сотрудников. - Провел полный рефакторинг легаси-кода, разделив его на две части: одна была перенесена на AWS с использованием Terraform, другая управляется с помощью Ansible и Python. - Организовал процессы разработки, тестирования и автоматизации, включая внедрение CI/CD. - Внедрил Kubernetes для сборок и тестирования, что позволило улучшить процессы разработки и развертывания. - Внедрил систему мониторинга на основе VictoriaMetrics и Netdata для мониторинга сети. - Установил единую точку управления серверами, обеспечив централизованное управление и контроль. - Сократил время простоя на 70% и время деплоя на 70% за счет автоматизации процессов. - Поддерживал хайлоад инфраструктуру, обеспечивающую работу для 14 миллионов клиентов с использованием технологий XRay, OpenVPN, IKEv2, L2TP, PPTP. - Реализовал подходы Infrastructure as Code (IaC) для всех инфраструктурных компонентов. - Внедрил Sonatype Nexus для управления своими репозиториями. - Внедрил HashiCorp Vault для управления секретами и автоматизации IAM-ролей на основе групп пользователей.Технологический стек: AWS (Terraform) Ansible Python Kubernetes, Docker VictoriaMetrics, Netdata XRay, OpenVPN, IKEv2, L2TP, PPTP, Shadowsock Sonatype Nexus HashiCorp VaultЭти изменения и достижения позволили значительно улучшить эффективность и надежность работы инфраструктуры компании, обеспечив высокую производительность и стабильность системы.
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DevopsHexn.Io Aug 2023 - Nov 2023Кипрcryptoforex ^^ -
Head Of Infrastructure DepartmentNda Apr 2021 - Oct 2022Moscow, RussiaFintech, High-frequency algorithmic tradingAchievements:• Successfully organized and led an infrastructure department, building a highly skilled team of specialists (2 AWS/Terraform, 1 ClickHouse, 2 Support, 2 Infrastructure).• Implemented Infrastructure as Code (IaC) approaches and DevOps methodology, resulting in optimized work processes.• Implemented monitoring systems, such as Zabbix for hardware and Victoria Metrics for business metrics.• Ensured the security of the internal network through bastion and used FreeIPA to control access to infrastructure objects.• Managed AWS and baremetal infrastructure using Terraform and Salt (100+ AWS VMs).• Developed and processed data using Python on baremetal servers (50+) and used ClickHouse and PostgreSQL clusters to manage data.• Stored data on HP Storage (4 shelves, total of 6.1PB).• Created own toolchain for developing and executing C++ code, which is one of my major achievements.• Used HashiCorp Vault to store and manage secret data, automated IAM roles based on user groups.• Implemented cross-region mesh network for data exchange between infrastructure objects.• Organized local area network (LAN) and placed equipment in data centers.• Managed technical resources and procurement.
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Senior System AdministratorXts Llc Oct 2019 - Mar 2020Moscow, RussiaFintech, High-frequency algorithmic tradingAchievements:• Provided support for virtual servers for a trading crypto bot, developing scripts for automatic server selection, financial statistics collection, and analysis.• Organized system monitoring, setting up alerts sent via Telegram and phone calls for specific events, enabling prompt response to potential issues.• Developed Python scripts for necessary operations in anticipation of moving to Linux.• Ensured stable operation of the crypto bot, resolving connectivity issues with exchanges and configuring new connections when needed.• Due to my work, the system operated smoothly and without failures, positively impacting the performance of the crypto bot.
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System Administrator / DevopsHft- It 2015 - Oct 2019Moscow, RussiaAchievements:• Provided infrastructure support for high-frequency trading robots, including low-latency tuning of the network and operating system.• Developed infrastructure for C++ programmers, including Atlassian (Jira/Stash/Confluence/Bamboo), backups, staging/testing, toolchains, and CI/CD, simplifying the development process and speeding up time to market.• Organized monitoring of all infrastructure components, enabling prompt response to potential issues and reducing downtime.• Developed automation systems for routine tasks, increasing work efficiency and reducing workload for employees.• Created a stable and efficient infrastructure for high-frequency trading robots, allowing the company to operate in the market with maximum efficiency.
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System AdministratorVarious Russian Companies 2004 - 2015
Alexander Vasin Education Details
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The Moscow Financial-Industrial UniversityМенеджмент
Frequently Asked Questions about Alexander Vasin
What is Alexander Vasin's role at the current company?
Alexander Vasin's current role is Head of infrastructure / Team lead DevOps Linux / Senior System Administrator.
What schools did Alexander Vasin attend?
Alexander Vasin attended The Moscow Financial-Industrial University.
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Alexander Vasin
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Alexander Vasin
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