Sergii Polishchuk Email & Phone Number

Winnipeg, Manitoba, Canada

Winnipeg, Canada Area

Winnipeg, Canada Area

Winnipeg, Canada Area

Winnipeg, Canada Area

Moscow, Russian Federation

ENOG is the regional forum in which Internet experts concerned with the core operational issues of the Internet can share knowledge and expertise on issues unique to the Russian Federation, CIS and Eastern Europe.Participated in organization of four ENOG meetings and was speaker there.

Kyiv, Ukraine

Internet-Invest (Imena™, Mirohost™) - holding includes: national ICANN accredited registrar with more than 30% of domain market share, hosting facility based on huge (10000U capacity) data center and several affiliated IT companies.• Initiated negotiations with I-root (Sweden) & F-root (USA) about their service node installation in Ukraine and they chose Mirohost data center;• Mirohost is only one Ukrainian company that recognized as Microsoft WebsiteSpark network… Show more Internet-Invest (Imena™, Mirohost™) - holding includes: national ICANN accredited registrar with more than 30% of domain market share, hosting facility based on huge (10000U capacity) data center and several affiliated IT companies.• Initiated negotiations with I-root (Sweden) & F-root (USA) about their service node installation in Ukraine and they chose Mirohost data center;• Mirohost is only one Ukrainian company that recognized as Microsoft WebsiteSpark network partner;• Maintained core network overhaul one of the largest Ukrainian data center (capacity and reliability increased);• Promoted IPv6 service ahead of IPv4 addresses in Europe;• Supervised IPv6 implementation at hosting and DNS services;• Evaluated different system of virtualization, clustering and cloud computing;• Developed DDoS protection service and maintained security policy;• Performed intrusion detection analysis and catch some hackers;• Achieved up to 1500 active Wi-Fi subscribers in one premise; • Supervised all in-house fiber and copper cabling works;• Maintenance and troubleshooting of Core network routers (Juniper MX80);• Procured all necessary hardware such as servers, switches and routers which resulted in net savings to the budget;• Shaped IT strategy for all the business units. Show less

Kyiv, Ukraine

Ukrainian National Internet Exchange network interconnect more than 130 ISP with maximum load of traffic - 400Gbps (world rank #5). Fully redundant infrastructure distributed over three datacentres and connected by multiple 40GE links.• Planned, designed and upgraded entire network infrastructure every 2 years according to threefold annual traffic growth;• Day-to-day operations, maintenance and troubleshooting routines;• Ensured 99.999% confirmed network availability for 10+ years;

Kyiv, Ukraine

Farlep-Invest (Vega Telecom™) with over 2000 employers – 2nd by size national telecom operator (non-government alternative carrier) provide DSL and plain telephony service to ~800K subscribers in 47 cities and towns in Ukraine, has nationwide (4200km) fiber-optic network, 52 PSTN hosts and 35 core MPLS nodes.• Headed Mobile WiMax, DWDM, IPTV and FTTB workgroups as project manager according to ITIL best practices;• Arranged tenders in DSLAM, NGN (Softswitch, SBC, VG), evaluated BAFOs… Show more Farlep-Invest (Vega Telecom™) with over 2000 employers – 2nd by size national telecom operator (non-government alternative carrier) provide DSL and plain telephony service to ~800K subscribers in 47 cities and towns in Ukraine, has nationwide (4200km) fiber-optic network, 52 PSTN hosts and 35 core MPLS nodes.• Headed Mobile WiMax, DWDM, IPTV and FTTB workgroups as project manager according to ITIL best practices;• Arranged tenders in DSLAM, NGN (Softswitch, SBC, VG), evaluated BAFOs from many vendors based on RFPs prepared by my team;• Liaised with vendors and stakeholders in developing project scope and budget requirements – final cost of projects effectively reduced;• Invented a technical laboratory which was a test-bed for new services and equipment;• Developed a KPI calculation methodology for reporting to the investors;• Upgraded MAN of Kyiv, Dnepropetrovsk, Odessa, Lviv and Mariupol – with merging of all small acquired networks;• Negotiated with Cisco Systems replacement of all Cisco 7304 routers and developed new national backbone MPLS network strategy. Show less

Kyiv, Ukraine

The Ukrainian Internet Association (UIA) was founded in November 2000 with the aim of consolidating the efforts of all interested parties in developing the Internet in Ukraine.The daily work of UIA consists of the practical realization of projects, facilitating the development of the Ukrainian segment of the global Internet network.The UIA devotes special attention to the protection of legal interests of its members, providing them with consulting and legal support as well as… Show more The Ukrainian Internet Association (UIA) was founded in November 2000 with the aim of consolidating the efforts of all interested parties in developing the Internet in Ukraine.The daily work of UIA consists of the practical realization of projects, facilitating the development of the Ukrainian segment of the global Internet network.The UIA devotes special attention to the protection of legal interests of its members, providing them with consulting and legal support as well as providing a dialogue with the authorized state bodies. Show less

Kyiv, Ukraine

Digital Generation was a national service provider of world transit Internet service to local ISP, had one of the first Ukrainian datacenter located in the Golden Telco Block L9.• Applied effort into building the uninterruptible communications node ensuring connectivity with an international Internet segment with 100% redundancy;• Designed and propelled an in-house cross training program which excelled at creating strong bonds and fluid interaction among the company… Show more Digital Generation was a national service provider of world transit Internet service to local ISP, had one of the first Ukrainian datacenter located in the Golden Telco Block L9.• Applied effort into building the uninterruptible communications node ensuring connectivity with an international Internet segment with 100% redundancy;• Designed and propelled an in-house cross training program which excelled at creating strong bonds and fluid interaction among the company employees;• Encouraged and helped team members grow and ascend in their careers;• Invented simplex DVB-Internet on unstable orbit satellites with tracking dishes to receive cheap Internet transit directly from United Kingdom, Austria, Germany;• Utilized first in Ukraine: DSLAM, Cisco 3662, 2850, Catalyst 3550, 3560G;• Pioneered collocation service in Ukraine and promoted a widespread use of 1U rack-mount equipment;• Developed and introduced network architecture elements based on Japanese HTB technology, a novelty at the time (Cisco Systems to launch a competing Service Control Engine several years afterwards);• Implemented the first commercial IPTV project for broadcasting to New York cable networks of Ukrainian OTV channel. Show less

Kyiv, Ukraine

Naddima Group (IP Telecom™, Relcom™, Kvazar-Micro™) was first telecommunication holding in Ukraine and included companies: IP Telecom - leader of dialup service in Ukraine, Relcom – enterprise related services, Kvazar-Micro Radio – wireless access• Conducted training programs at Kvazar-Micro Education Centre on Cisco ICND/BSCI subjects required for CCNA/CCNP/CCDP/CCIP certification;• Introduced first commercial Wi-Fi metro network “Kvazar-Micro Radio”;• Increased capacity of “IP… Show more Naddima Group (IP Telecom™, Relcom™, Kvazar-Micro™) was first telecommunication holding in Ukraine and included companies: IP Telecom - leader of dialup service in Ukraine, Relcom – enterprise related services, Kvazar-Micro Radio – wireless access• Conducted training programs at Kvazar-Micro Education Centre on Cisco ICND/BSCI subjects required for CCNA/CCNP/CCDP/CCIP certification;• Introduced first commercial Wi-Fi metro network “Kvazar-Micro Radio”;• Increased capacity of “IP Telecom” modem pools from 300 to 1500 lines;• Propelled “IP Telecom” to #1 dialup provider position in Ukraine;• Procured my first more than 1 million $ contract on network upgrade. Show less

Kyiv, Ukraine

UkrNet was the biggest dial-up ISP at that time with point of presence in 4 largest cities.• Created and managed the nationwide network infrastructure with dialup modem pools, enterprise VPN, QoS, VoIP (everything built from the scratch);• Experimented with IPv6 both at the server level and at the level of Cisco routing network software including international collaboration with other service providers (6BONE).

Kyiv, Ukraine

LuckyNet was one of the two biggest national ISP that had own international Internet channels and provide full set of services• Made the first international VoIP call from Ukraine to Israel (Vocaltec hardware);• Piloted VSAT project;• Realized first in Ukraine USENET full feed broadcasting;• Administered and maintained firewalls, implemented security policy;• Maintained various switches and routers most of them Cisco Systems;• Certified as CCNA/CCNP;

Odessa, Ukraine

Ukrlotto - was national lottery company with branches in all regions.• Maintained data communications network distributed over Odessa region.

Odessa, Ukraine

Compass-1 was multi-industry enterprise with own regional TV-channel, customs brokers, software development and sales departments• Developed and supported customs declaration software;• Discovered UNIX and UUCP mail system (first practical experience).

Specialist (Aka Master) Degree, Applied Mathematics And Computers

Diploma, Computer Operator