Ihor Barabash Email & Phone Number

Kyiv, Ua

Киев, Украина

• Management of subscriber DNS servers• Service, configuration, delegation, order, payment, renewal of all domain names of the company • Maintenance of all DNS servers (domain zone holders) of the company • Maintenance of Arbor Networks - monitoring of DDoS attacks "DDoS Protect" - proprietary project for protection from DDoS attacks with automatic mitigation and integration with Telegram bot as Front-End• Telegram bots "iTest Helper" (proprietary project). This is system of diagnostic and troubleshooting the Ethernet network (in 24 branches of company)• VMWare - deployment, configuration, migration and backups of virtual machines on Unix/Windows OS • Backup systems - backups of configs on all network equipment (core and aggregation level), Veeam backups of virtual infrastructure• Blocking and unblocking of domain names by court decision and decrees of the President• Working with monitoring systems Nagios, Cacti, Zabbix• Configuring and maintaining access lists (ACL) on network equipment at the core and aggregation level• Development and maintenance of the company's main Syslog server, which collects event logs from all network• Technical support of servers CDN Google Global Cache, CDN Facebook, CDN Akamai • Collaboration with the Information Security Department to close vulnerabilities on the network• Configuring and troubleshooting network equipment (Cisco, Extreme, Edge Core, D-Link, Huawei, 3COM)• Working with STARLINK terminals as out-band management of branches core equipment by building private tunnels• Development of WEBAPP (PHP, HTML, Python3)• Configuring and supporting the servers through Cloudflare• Deployment Looking Glass (lg.volia.com)• Administrator of Ubuntu/Debian repository (mirror.volia.net)

Киев, Украина

• Management of subscriber DNS servers• Service, configuration, delegation, order, payment, renewal of all domain names of the company • Maintenance of all DNS servers (domain zone holders) of the company • Maintenance of Arbor Networks - monitoring of DDoS attacks "DDoS Protect" - proprietary project for protection from DDoS attacks with automatic mitigation and integration with Telegram bot as Front-End• Telegram bots "iTest Helper" (proprietary project). This is system of diagnostic and troubleshooting the Ethernet network (in 24 branches of company)• VMWare - deployment, configuration, migration and backups of virtual machines on Unix/Windows OS • Backup systems - backups of configs on all network equipment (core and aggregation level)• Blocking and unblocking of domain names by court decision and decrees of the President• Working with monitoring systems Nagios, Cacti, Zabbix• Configuring and maintaining access lists (ACL) on network equipment at the core and aggregation level• Development and maintenance of the company's main Syslog server, which collects event logs from all network• Technical support of servers CDN Google Global Cache, CDN Facebook, CDN Akamai • Collaboration with the Information Security Department to close vulnerabilities on the network• Configuring and troubleshooting network equipment (Cisco, Extreme, Edge Core, D-Link, Huawei, 3COM)• Working with STARLINK terminals as out-band management of branches core equipment by building private tunnels

Киев, Украина

Краматорск, Донецкая Область, Украина

Краматорск, Донецкая Область, Украина