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@andreyryazanov
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andreyryazanov

В сети Офлайн
Over 10 years of engineering and executive experience driving increased level of productivity, profit and internal/external customer satisfaction. Recognized as technology evangelist and change agent designing and implementing state-of-the-art technical solutions
$80 USD/hr
5 отзыва(-ов)
5.4
  • 100%Выполненные работы
  • 100%В рамках бюджета
  • 100%Своевременность
  • 13%Рейтинг повторного найма

Элементы портфолио

Последние отзывы

Опыт работы

CTO

Oct 2013 - Dec 2014 (1 year)

Strategy Advisor

Mar 2013

Self-employed as a strategy advisor, consultant and IT auditor for multiple enterprises in telecommunications industry. Advised to stakeholders, worked directly with senior management c-level executives. Performed technical and IT audits, advised on technology, product and M&A strategy, leaded projects, analyzed business cases, developed policies, instructions and manuals. Notable accomplishments: • a strong vision was created and communicated to an ISP management team resulting in strategic transformations and operational improvement • by providing an auditee with proper recommendations improved senior management awareness in IT governance issues • by implementing a unique network design delivered a 400% network capacity growth, cutting port unit cost by more than 6 times

CTO

Jul 2006 - Aug 2012 (6 years)

• Reorganized technical department dividing by operations and development functions. Deployed automated monitoring systems. • Launched Pay TV service "from scratch". Designed and implemented TV headend (Verimatrix, CTI, Harmonic) to broadcast 200+ TV channels to broadband customers. • 400+ km of underground fiber optic cables as well as 3000+ km of overhead fiber optic cables were designed and built maintaining the building costs at low level. • 40+ IP/MPLS network nodes were put into operation (including international ones), the long haul DWDM network was launched as well as 15K+ broadband access network nodes were. • Deployed the broadband access management system, performed its integration with company's OSS/BSS • Local voice networks were put into operation in Moscow, Voronezh, Belgorod regions. Designed an inter-area voice network. • Managed lawful interception requirements and relations with law enforcement agencies, saving $1.5M+ CapEx

Head of NOC

Jan 1999 - Jul 2006 (7 years)

Leaded the network operations and development, created the network operations center, hired the staff, implemented processes. Leaded the network operations continuously improving network reachability and service level. Notable accomplishments: • Performed data network technology transition: implemented MPLS, QoS, Netflow, SCU/DCU • Launched two data centers in Moscow (200+ racks): designed and implemented network and service infrastructure • Launched international data and voice network nodes: performed negotiations with national and international carriers, datacenters, vendors and suppliers, managed equipment logistics, installation and configuration • Launched broadband access networks (FTTB, ADSL) in Moscow and Moscow region • Developed OSS/BSS for an ISP providing dial-up, shared hosting, datacenter, voice and broadband access services (Oracle, PL/SQL, C, Perl) • Developed an IVR system for prepaid VoIP services (Cisco TCL IVR) • Developed a dynamic VoIP calls routing system (least-cost based routing, based on Cisco GKTMP) • Developed a broadband remote access server software (BRAS)

Образование

Master of Computer Science

1998 - 2004 (6 years)

Квалификация

PME® (Project Management Expert) (2014)

PM-Expert

Project Management Expert

Certified Information Systems Auditor® (CISA) (2016)

ISACA

The CISA certification is world-renowned as the standard of achievement for those who audit, control, monitor and assess an organization’s information technology and business systems.

Сертификаты

  • US English Level 1
    83%
  • SQL Server 1
    78%

Верификации

  • Соединить с Facebook
  • Предпочтительный фрилансер
  • Оплата подтверждена
  • Телефон подтверждён
  • Личность подтверждена
  • Электронный адрес подтвержден

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