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Опыт работы

Linux system administrator, network administrator

с 01.2008 по 02.2021 (13 лет 1 месяц)
CitySites https://citysites.ua, Mariupol (IT)

A highly loaded structure was organized and maintained, which ensures the operation of a network of several hundred sites on leased servers (Hetzner, OVH). The servers were connected by an internal network (GRE and IPIP), virtualization (Proxmox), iptables, Nginx + PHP-FPM, Percona Server for MySQL were used - settings were optimized for high loads (more than 10,000 complex requests per second typical for web applications), Bind and PowerDNS, Memcache, Sphinxsearch, MongoDB, Redis, Postfix, Zabbix, Bash scripts.
Data backup was implemented (backing up a MySQL database with a size of about 100 GB without interfering with the workload on the server - innobackupex, MongoDB - mongodump, backing up the contents of the storage server and distributing static files with a total volume of more than 10 TB - rsnapshot). Tools and procedures for restoring data from backups were created, scripts for automating typical operations in bash were written.

I was also involved in the administration of office-scale networks about 100 workplaces, configuring routers (Mikrotik) and switches, VPN servers (OpenVPN, L2TP + IPsec) for remote access of employees, identification and elimination problems of the local network and the Internet.

I have some work experience with git, with Docker and docker-compose, with blockchain technologies (blockchain nodes setup and support), with administration of Windows servers via RDP.

Lecturer of the course "Network Administration, System Administration"

с 09.2005 по 06.2008 (2 года 9 месяцев)
IT Step school, Mariupol (Education and science)

Образование

Donetsk state technical university

Computers, complexes, systems and networks, Donetsk
Неоконченное высшее, с 1992 по 1998 (6 лет)

Знания и навыки

Знание языков

• Английский — средний
• Украинский — продвинутый
• Русский — свободно

Дополнительная информация

I am considering offers for the position of Middle SysAdmin and Junior DevOps. I'm not interested in the vacancies of the "head of department" and others related to personnel management, my goal is to improve my professional skills, I'm not interested in moving up by so-called "career ladder".

English: B1. Please note that my spoken English is not good enough for quick discussions. It is difficult for me to participate in meetings, it's possible, but counterproductive, I prefer written communication, my written English is good enough to chat about work almost freely.