Experience

RU-CENTER Group

• Russian Federation
• Internet Publishing
• 1 - 100 Employee

• Chief of Hosting Development

  • Sep 2021 - Present

  • Analysis of business customer requirements• Control of the development process• Selection of all key technologies of the projects• Constant analysis of the operation of all systems and the search for bottlenecks• Writing products development roadmaps• Manage Python, Perl, and DevOps commands (10+ people)

• Python TeamLead

  • Jun 2021 - Aug 2021

  • Improve code-style in a team (start using linters, pytests, crossreview)• Start using new CI/CD approaches (kubernates + helm)• Translation of products into new technologies and frameworks• Hire, interview new python-developers• Decomposition of tasks• Designing the architecture of new systems

• Middle Python Developer

  • Dec 2019 - Jun 2021

  Develop products: • Antivirus check of hosting client files • Mailing list management system • System for blocking parasitic traffic and searching for bots • DNS management system

• System Administrator

  • Mar 2017 - Nov 2019

  Platforms deployment: • OpenStack • KubernetesProduct development: • Full Lifecycle Management Services for Hosting and VPS (Python) • The module for migrating users from other platforms to our company's platform (from OpenVZ, HyperV, Plesk, Cpanel, other "custom platforms") (Python) • System modules (PAM, LXC) (C++) • Proxy servers for the protocols: HTTP, POP3, IMAP4, SMTP, DNS (GoLang) • Backup system for hosting, mail and VPS clientsImprove architecture for the following systems: • Cluster of load balancers for hosting clients • Client mail storage cluster Show less



Sberbank

• Banking
• 700 & Above Employee

• Lead engineer in Security Operation Center

  • Oct 2016 - Mar 2017

  • Installation, configuration and operation of Arbor equipment to protect the data center from DDOS attacks • Installing, configuring and operating Imperva WAF to protect company resources from hacking • Configuring the Cisco ASA. Provides access to the corporate network • Configuration of PAK "FPSU-IP" for building VPN between regional offices and data center • Take part in works on modernization network and localization problems on a network • Installation, configuration and operation of Arbor equipment to protect the data center from DDOS attacks • Installing, configuring and operating Imperva WAF to protect company resources from hacking • Configuring the Cisco ASA. Provides access to the corporate network • Configuration of PAK "FPSU-IP" for building VPN between regional offices and data center • Take part in works on modernization network and localization problems on a network



Agava

• Technology, Information and Internet
• 1 - 100 Employee

• System Administrator

  • Sep 2013 - Sep 2016

  Internal Infrastructure department: • Migrated a huge number of services from FreeBSD to Linux by automating the deployment and administration of services through Puppet • All infrastructure is virtualized in OpenVZ and KVM • Made pipeline for deploying new billing as DevOps (OpenVZ + Ansible + Git) (testing, approve, deploy to stag/prod) • Integrated collecting log solution (ElasticSearch + Logstash) • Switch connection of regional offices to a unified standard • Configured IPSec encryption for all traffic (BGP + IPSec) • Maintenance of the internal services (Self-written Billing, Request Tracker, mail servers, DNS servers, technical support tools, IP\DNS\Certificate\License-managers) • The system of diskless nodes with dedicated storage based on AOE (ATA over Ethernet). Introduced into the production Department of dedicated servers: • Created a system of automatic installation and configuration of servers (Foreman + Puppet) • Deployed new backup servers system (OpenStack Swift + Duplicity) Network department: • Was connecting Uplinks and Peers • Ensuring network uptime (several levels of redundancy of all network components in DC were introduced) • Created AntiDDOS server for protect from many attacks • Solving client problems with the network connectivity Show less



RETN

• United Kingdom
• Telecommunications
• 100 - 200 Employee

• Database Administrator

  • Jul 2012 - Sep 2013

  • Configuring servers running on completely different operating systems: FreeBSD 6/7/8/9, Centos,RedHat, Fedora, Ubuntu, Debian and serving various types of services: • Mail servers on freebsd + exim • Exchange • Active Directory • Apache, Nginx, TomCat 5/6, Unicorn, Jetty • Zabbix, Nagios, Cacti • BIND, PDNS (unicast, anycast) • FTP, TFTP • Configuring firewalls (iptables, ipfw) • MySQL, PostgreSQL, Oracle• Oracle server maintenance. Search performance bottlenecks. Courses completed for Oracle DBAadministrators• Writing scripts to automate routine operations (Python)• Setup of network equipment (Juniper, CISCO) Show less

• Duty engineer in NOC department

  • Sep 2011 - Aug 2012

  • Communication with clients• Communication with partners• Find and fix customer service problems• Configure client services (BGP, L2 VPN, L3 VPN)