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@FreeLanceNL
Làm thành viên từ Ngày 21 tháng 11 năm 2010
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FreeLanceNL

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July 2010 – now Ricoh Europe B.V., Netherlands Senior Network Engineer Responsibilities: - Cisco equipment (routers, switches, firewalls) - Juniper equipment (firewalls) - CheckPoint firewalls (R60, R61, R65) - BlueCoat proxy servers (SG 8100) - Linux/Unix/Solaris servers (FreeBSD, CentOS, Debian, Red Hat) - Monitoring systems like nagios, centreon, nagvis, cacti April 2010 – June 2010 MartinAir, Netherlands IT Consultant Responsibilities: - User services and application migration from old network to new - Windows 200x Servers (Active Directory, Print Servers, Network Shares, Network Printers etc) - Citrix MetaFrame, XenApp, WebClient, PNA - Large TDM network migration to VoIP/TDM (Cisco, NEC) - Lotus Notes 6.x, 8.x - Windows XP workstation migration (from old network/AD domain to new one) December 2009 – now VLF Networks B.V., Netherlands IT Consultant Responsibilities: - Managing, configuration cisco equipments (Cisco Switches, Routers, Firewalls, Load-Balancers etc) - Linux/FreeBSD servers (iptables, ipfw, Asterisk, MySQL, proftpd, postfix, apache) - Windows 2008 Servers (Active Directory, Exchange 2007) - Citrix MetaFrame, Citrix XenApp, Citrix WebIntercace, Citrix PNA - Large VoIP/TDM networks - Migration of Citrix, Network, VoIP infrastructure from one buildings to other (staff relocation) - Implementation of DMVPN on large client network (DMVPM + IPSec (shared key, MS certificate server, cisco router as certificate server/SCEP) (routing protocols – OSPF, EIGRP) - VoIP application development (TCL for Cisco Voice gateways) - Voice gateways configuration for PortaOne billing engine - BATA ([login to view URL]) network modernization. Network re-design (change equipment, DMZ, LAN, WAN, DataCenter solutions), Remote update of the equipment, reconfiguration of current (re-used) equipment) - BATA CallCenter installation and configuration based on the Cisco Callmanager and another Cisco equipment and software - Linux servers maintaince tasks (nagios, centreon, cacti, ftp, apache, dns, mail) - Web backend for PowerDNS server (mysql + php + html) - VoIP network support based on the Asterisk and Grandstream phones - Support of Lotus Notes Server - Microsoft Exchange, Active Directory maintenance tasks - PHP/Perl development for system purposes - Cisco UC500 series configuration for customers May 2008 – December 2009 "UkrSibbank BNP Paribas group" Commerce Bank, Head Office, Kyiv, Ukraine Deputy head of Corporate Network team. Responsibilities: - Designed, implemented and managed corporate network WAN&LAN - Managed CWDM topology. - Managed DMZ: firewall management, networking. - CheckPoint administration (Nokia IP appliances (69x, 29x), SmartCenter, SmartConsole etc) - Linux administration(OS: Gentoo, Debian, Red Hat. Applications: iptables, apf, ddos, bfd, apache, asterisk, mysql, nagios, cacti, mrtg, php, rrdtools, proftpd, postix, dovecot, mailman, curys-sasl, shell scripting (bash, perl, php), bacula, openvpn, bind, mydns, zebra. Tasks: installation, configuration, support of the systems and applications, linux kernel optimization, linux OS optimization tasks). - Managed Linux based DMZ of the bank (internal & external firewalls based on the Gentoo Linux and iptables+apf+bfd+ddos) - Managed Linux based firewalls for extranet connection (between bank and client(customers)) - Managed MPLS backbone (TE, VRF, EDGE routers, RSVP, MP-BGP etc) - Managed more then 400 servers on the Linux OS (Debian, Red Hat) for services like iBank (internet banking), corporative web site, corporative mail system (based on the postfix+mysql+cyrus-sasl) - Managed Cisco & Linux routers, all WAN area, more then 1000 sites placed in all Ukrainian territory(around 3000 Cisco devices) - CiscoCallManager installation (cluster, standalone etc), configuration and support. - Design, installation, configuration, support of VoIP network of the bank - Managed Head offices LAN area includes datacenters, 5 sites around 200 Cisco devices. - Managed interior and exterior network routing using EIGRP, BGP - Securing data with IPSEC - Support and securing mail system - Managed customer internet access system - Managed Cisco secure ACS server - Installed, secured and managed BIND, Apache, Postfix, MySQL, Squid, TACACS+, Jabberd, Bacula, Nagios, MRTG, NetFlows. - Supporting Nortell NetID DHCP and DNS service. - Basic IBM AIX administration. - Managing process of BNPP network integration. - PHP, Perl, shell scripting for some tasks. - Proxy infrastructure migration to BNPP standards (squid to BlueCoat with FinJan, design, installation, configuration etc) - VoIP projects for NOC Unit (Asterisk – SIP server, Cisco IP Phones (7911G & 79xx), Cisco 2821 as voice gateway) - Managed Nortel network equipment (switches and load-balancers (L2/L7 switches, 25xx, 35xx, 45xx)) May 2007 – May 2008 "UkrSibbank BNP Paribas group" Commerce Bank, Head Office, Kyiv, Ukraine Senior network administrator. Responsibilities: - Designed, implemented and managed corporate network WAN&LAN - Managed DMZ: firewall management, networking. - Linux administration(OS: Gentoo, Debian, Red Hat. Applications: iptables, apf, ddos, bfd, apache, asterisk, mysql, nagios, cacti, mrtg, php, rrdtools, proftpd, postix, dovecot, mailman, curys-sasl, shell scripting (bash, perl, php), bacula, openvpn, bind, mydns, zebra. Tasks: installation, configuration, support of the systems and applications, linux kernel optimization, linux OS optimization tasks). - Managed Linux based DMZ of the bank (internal & external firewalls based on the Gentoo Linux and iptables+apf+bfd+ddos) - Managed Linux based firewalls for extranet connection (between bank and client(customers)) - Managed Cisco & Linux routers, all WAN area, more then 1000 sites placed in all Ukrainian territory (around 1300 Cisco devices) - Managed Head offices LAN area includes datacenters, 5 sites around 200 Cisco devices. - Managed interior and exterior network routing using EIGRP, BGP - Securing data with IPSEC - Managed MPLS backbone (TE, VRF, EDGE routers, RSVP, MP-BGP etc) - CiscoCallManager installation (cluster, standalone etc), configuration and support. - Design, installation, configuration, support of VoIP network of the bank - Support and securing mail system - Managed customer internet access system - Managed Cisco secure ACS server - Installed, secured and managed BIND, Apache, Postfix, MySQL, Squid, TACACS+, Jabberd, Bacula, Nagios. - VoIP projects for NOC Unit (Asterisk – SIP server, Cisco IP Phones (7911G & 79xx), Cisco 2821 as voice gateway) - Managed Nortel network equipment (switches and load-balancers (L2/L7 switches, 25xx, 35xx, 45xx)) May 2006 – May 2007 "PortaOne Inc." Senior support enginier. Responsibilities: - Customer support via phone/email - Customer servers support (FreeBSD, MySQL, Perl, PHP, dovecot, exim, asterisk, PortaOne own script and applications, MySQL Cluster, Bind, Apache, tftpd, SNMP, FTP) - HotFix for customer servers (perl, php, shell scripting). - Patches for PortaOne solutions, custom patches etc (perl, php, shell scripting). - Action with replication on MySQL servers. - Voice GW configuration (AS55xx) - IP Phones configuration (Cisco, ATA, Linksys etc) - OpenSource software configuration (for VoIP systems): Asterisk, SER, OpenSER, SIPPY. - Small TCL scripting September 2005 – May 2006 "FreeNET ISP" NOC enginier. Responsibilities: - Customer support via phone/email - Network equipment support (Cisco, FreeBSD, Linux, Nortel Passport (Frame-Relay)) - Application level support (postfix, proftpd, curys-sasl, apache, php, mysql, iptables etc) September 2002 – September 2005 ICC (Informational Calculation Centre of Kyiv National University of T. Shevchenko) NOC engineer. Responsibilities: - Support Cisco switches, routers of University campus network - Configuration and managing of FreeBSD/Linux servers (routing, nat, proxy server, ftp server, jabber) - Cisco Network Academy (CCNA, CCNP courses, passed CCNA) - tac_plus, radius modules development(single logon for network equipment and for FreeBSD/Linux shell) - php development job (all kind of scripts (web applications, system tasks etc)) - Java development (change own application AuthProxy from standalone codo to cross-platform solution (Java)
$25 USD/Giờ
các đánh giá về 13
4.2
  • 86%Công việc đã Hoàn thành
  • 100%Đúng ngân sách
  • 100%Đúng hạn
  • N/ATỉ lệ thuê lại

Portfolio

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Giáo dục

Bachelor

2003 - 2008 (5 years)

Bằng Cấp

CCNA (2005)

Cisco

CCNP (2006)

Cisco

CCIP (2007)

Cisco

CCIE Security Written (2007)

Cisco

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