Aleksandr Donskoy, Network Programming Developer in Saint Petersburg, Russia
Aleksandr Donskoy

Network Programming Developer in Saint Petersburg, Russia

Member since August 21, 2015
Aleksandr is an accomplished systems administrator with 9+ years of experience managing server infrastructures and data centers. He is professional, with strengths in effectively planning, setting up, and tuning IT infrastructures to consistently achieve high availability and performance. He has the ability to adapt his communication style to diverse audiences including both business and technical.
Aleksandr is now available for hire




Saint Petersburg, Russia



Preferred Environment


The most amazing...

...thing I've designed and implemented is an ISP infrastructure for a regional network for 40,000 subscribers. It has more than 3,000 switches and 100 servers.


  • System Administrator

    2014 - PRESENT
    • Designed and implemented infrastructure for HA Web service.
    • Designed and implemented infrastructure for a web development company.
    • Implemented a backup strategy with Bacula software.
    • Fixed many performance and security problems.
    Technologies: Virtualization, Load Balancers, Web Services, Linux
  • Lead System Administrator

    2008 - PRESENT
    Irkutsk Regional ISP
    • Designed and implemented a regional network and three private data centers. We built the network with more than 3000 switches and routers and 90+ Linux servers of different types.
    • Reduced reclamations 50% by introducing technical corporate standards.
    • Implemented a fault-tolerant PPPoE cluster with MPD on FreeBSD and a pool of distributed FreeRadius servers.
    • Implemented a network monitoring system with Zabbix that has about 30000 data elements and performs at 120 elements/sec.
    • Customized billing software using Perl and Python.
    • Designed and implemented a complete set of ISP services.
    • Built an efficient team of system administrators.
    Technologies: High-availability Systems, Infrastructure, High-load, FreeBSD, Networking, Linux
  • System Sdministrator

    2006 - 2008
    Irkutsk National Sanitary Office
    • Designed, deployed, and integrated a corporate network for 100+ users.
    • Implemented a backup strategy.
    • Upgraded corporate servers with open source software.
    Technologies: Networks, Corporate, Windows, Linux


  • Tools

    Apache, KVM/Qemu, NGINX, Git, Nagios, Zabbix, Asterisk, Vagrant
  • Platforms

    Linux, FreeBSD, Windows, Debian Linux
  • Storage

  • Other

    Network Programming, Routing, Mason, HAProxy, BGP, Web Services, Load Balancers, Virtualization, Corporate, Networks, Networking, High-load, Infrastructure, High-availability Systems, Iptables, FreeRADIUS, Bacula
  • Languages

    Python, Perl
  • Libraries/APIs

  • Paradigms

    Agile Software Development


  • Master's Degree in Physics, Telecommunication Networks and Systems
    2003 - 2008
    Irkutsk State University - Irkutsk, Russia

To view more profiles

Join Toptal
Share it with others