A subsidiary of Nokia and RostelecomDevelopment of carrier-grade network automation software.

Contractor for ExxonNeftegasLimited, an ExxonMobil subsidiary.Sakhalin-1 ProjectWork on a rotational basis at oil&gas production sites as part of the "Exxonmobil Information Technologies" group.Providing communication at oil&gas production facilities.

Internet/TV/VoIP Service Provider.- Developed own CRM-platform with mobile devices support (PHP(Phalcon)/MySQL/JS(Framework7)).- Head-end and satellite TV station maintenance. Assemble head-end on new sites. Installation and adjustment satellite antenna. RF and optical path troubleshooting.- Cooperation with offer and equipment suppliers and vendors.- Cooperation with equipment of Blankom, Harmonic, Tandberg/Ericsson, PBI, WISI, Sumavision, Crypton vendors. Satellite receivers, transcoders, modulators for DTV (DVB-C) and ATV.- Developed own monitoring system IPTV-streams based on Astra/PHP(phalcon)/MySQL.- Developed own software for mpegts-streams transferring through the internet, adapted for big round trip time and packet drops.- Developed and integrated CWDM/DWDM systems.
- Planned uninterruptable power supply systems and climatic systems for communication centers.- Server farm maintenance: IBM, DELL, Supermicro.- Storage system maintenance.- Installation and server farm maintenance (over 30). Basically on Linux. - Virtualization maintenance VMWare ESX 4/5, backup system configuration.- Installation corporate e-mail hosting (postfix, dovecot).- Automation billing system NetUP UTM5, developed additional scripts (python, php, mysql) for billing. IPTV middleware and payment gateways system integration.- Complex management and optimization big databases on MySQL. MySQL sharding and replication.- Made billing system migration (over 30 000 subscribers) on new flexible system on Oracle DB.- Developed storage system using GlusterFS.

Full-stack Developer / Devops- Refactored legacy-code.- Server farm maintenance (ubuntu/centos).- Service optimization и fault tolerance support. - Developed own CDN.- Developed broadcasting video system (OTT).

Internet Service Provider.- Installation and server farm maintenance Linux and Freebsd. - Supported DHCP, DNS, Postfix services.- Complex management of VOIP call-center on Asterisk. IVR menu configuration.- Corporate web-portal support (php / html / mysql) .- Developed "user profile" page for company customers.- Automation billing system Ideco / Netup UTM5. Migration from Ideco to Netup UTM5.- Installed and integrated network devices (Cisco/Zyxel).- Developed various scripts for automation routine actions witch network devices. - Launched IPTV service. Used Multicast. Configuring satellite antennas and receivers.