Contact information

The job seeker has entered a phone number and email.

You can get this candidate's contact information from https://www.work.ua/resumes/940292/

Work experience

Senior network engineer

from 03.2013 to now (13 years)
ISP "TENET" (http://tenet.ua), Одеса (Телекомунікації, зв'язок)

•*Перед ознайомленням з резюме прошу дивитися розділ "Броннювання" у кінці резюме.*

•*Before reading the summary, please review the 'Reservation' section at the bottom of the page.*

Responsobility:
• Designing ISP network
• Implementing IPv6 network infrastructure.
• Configuring cisco catalyst L3 switches: 6500,4500,3560.
• Cisco routers 7200,7600. Configuring juniper L3 switches : juniper EX3300,EX4550, Cisco 3560x, 3550.
• Routers juniper MX80-T, L2 switches cisco 2950,2960, dlink 3120,3100,3526.
• Configuration and design core level network and border level.
• Configuring MPLS, BGP, OSPF routing protocols, maintain multicast routing based on PIM-SM, PBR routing, GRE tunnels, stp protocols, PVST.
• Maintain and configuration VOIP servers based on Kamalio and Asterisk servers

I'm proud of our accomplishments:
• Introducing WI-FI roaming in wireless, introduce coova chilli.
• Introduce MPLS/VPLS network
• Designing network for a data center.
• Implement juniper MX-80 and cisco ASR-9000 network equipment at core and BNG/BRASS level.
• Implement IPoE, configure PPPoE at ASR and MX routers.
• Implement GPON
• Introduce VOIP solutions at core level as at customer like FreePBX.
• Introduce services developed in python and perl for device configuration

Network engineer

from 03.2012 to 03.2013 (1 year)
Enterprise SOUZ (http://soyuz-corp.ru), Одеса (Енергетика)

• Management and administration of network infrastructure in 30 remote and two head offices in Ukraine and Russia, using the technology of tunnel IPsec + MGRE in the DMVPN cloud, and using QOS for traffic priority.
• Configuring of Routing protocol based on OSPF with area segmentation, PBR-based route maps, static routes, configuring routing balancing between ISPs ,configuring ip SLA. Configuring first hop redundancy protocols VRRP, HSRP, GLBP. User VPN configuration, configuring VPDN with Radius authorization.
• Configuration routers, Cisco 1711,1760,1911,1941,2801,3725,3745 with using modules: VPN, content engine cache modules, DSP, WIC E1 PRI modules.
• Configuration switches L2, L3: cisco catalyst 2950, ?2960, 3550,3560x, 6506,6509. D-link des 3028, des 3200, des 3526, des 3550, Planet switches, 3com, Intel. Using protocols rapid PVST +, RSTP, MSTP, traffic control, Ether Channel, LACP, DHCP snooping etc.
• Configuring and administration of wireless WI-FI networks based on ubiquiti unifi AP and unifi controller using EAP authentication integrated with NAP radius server .
• Administration of the firewall / proxy servers: Microsoft ISA / TMG. Server NAP, DHCP, RRAS-based OC Windows 2008 R2
• Configuring Cisco IP voice gateways using services: ALG,Dial peers, SIP trunks,SIP-ua, isdn PRI for cisco routers based on modules G703/E1.
• Monitor server and network infrastructure based on OS FreeBSD, using the tools: Zabbix 2.0, Cacti, Rsyslog with an entry in the DB Mysql and reports in «Log analyzer», traffic accounting by the collector Netflow analyzer.
Perl/Python script development , collecting statistics, configuration and network analysis.
• Implementation of Help Desc service based on OTRS system with integration it witht AD domain.
• Work in a team environment as a leading specialist, consulting and resolving tasks with other IT engineers, programmers and system administrators.

Network engineer ,System administrator

from 02.2010 to 03.2012 (2 years 2 months)
ISP Triolan (http://triolan.com), Київ (Телекомунікації, зв'язок)

• Management and administration of 3200+ access layer switches: dlink DES 3028,3526,3200, cisco 2950,2960, 120+ distribution layer switches: dlink DGS-3100, DGS-3140, 15+ level 3 core switches: Extreme Network-summit x450, x480, x650, Extreme Network Black Diamond-8810, configuring border routers, in the cities Odessa, Kiev, Harkiv
• Administration involves the initial design of the network: the initial configuration, technical supervision, further configuration, support the current version of Firmware, installation of additional modules, providing work in a format UP 24/7. Monitoring availability, workload analysis CPU, ports, LACP groups, etc.
• Script development in Perl/PHP for network analysis, configuration changes, conduct additional monitoring and reporting.
• OSPF routing administration devided in areas, static route configuration, route summarizing.
• BGP administration, maintaining filtering policy, prepend routes,communities. Maintenance and organization of BGP connections.
•VLAN management , designing networks, writing policies, ACL rules , filtering routes based on route map, prefix and distribution lists.
• Traffic managment colletct using netflow/Sflow protocol, collecting data in MYSQL database.
• Support services for monitoring availability WhatsUP.
• Monitoring equipment utilization via SNMP v2 systems using Cacti, Mrtg, Zabbix, using triggers and SNMP traps. Notification system.
• Testing IPv6, NAT64, design innovative projects, testing various vendor equipment.
• Server administration based on Centos /FreeBSD OS ,services apache2, php5, Mysql5, ftpd, tftp, bind, pmacct, speedtest-mini, Open vpn, mpd5, freeradius etc.
• PHP/Perl/Python development: development of service for employees, managers, NOC support. Generaration comprehensive reports .
• Administration CATV equipment: CableVista, Harmonic.
• Technikal consultation , providing seminars and certifications.
• Fusion splicing of optical fibers. Diagnosing breaks/fiber cut. Configuring optical amplifiers. Assembling CWDM. Working with DWDM.

Education

ОНONAS IT University Связи

Networking and Information delivery, Odessa
Higher, from 2004 to 2009 (5 years)

Networking and Information delivery, Graduated bachelors and specialist

Additional education and certificates

cisco CCNA, "ONAS IT University"(Odessa,Ukraine)

2010

cisco CCNP "ONAS IT University"(Odessa, Ukraine)

2012

Linux administration IT STEP(Odessa,Ukraine)

2010

C++ programming "IT hillel college"(Odessa, Ukraine)

2013

"IT hillel college" Java core

2013, 6 months

Knowledge and skills

• Windows
• Linux
• Java
• CentOS
• C++
• Driving licence cat. B
• IP (Internet Protocol)
• Налаштування Firewall
• DHCP
• VMware
• Cisco
• Адміністрування Ubuntu Server
• Debian
• OSPF
• BGP
• STP
• RSTP
• Ethernet
• PPTP
• PPPoE
• Brass
• Bng
• Mpls
• Juniper
• Dmvpn
• TCP/IP
• Адміністрування IP-телефонії
• IPsec
• FreePBX
• VICIdial
• SIP
• Ipv6
• Asterisk
• Підтримка VoIP-мережі
• VLAN
• Налаштування DNS
• Налаштування VPN
• Active Directory
• Адміністрування Windows Server
• RADIUS
• LACP
• PAGP
• VMware vSphere
• VMware ESXi
• SNMP
• GRE
• Ansible
• Perl
• Python
• VRRP

Language proficiencies

• English — advanced
• Ukrainian — fluent

Additional information

Looking for remote work
Броннювання:
Для державних, та не аутсорс та аутстаф усатнов, розглядаю позицію рівня провідного фахівеця з 100%ю можливістю бронювання та гарантій утримання у штаті як незамінимого співробітника (без можливості вилучення з штату за умов отримання повістки) . Працую тільки вітдаленно або з офісу у м. Одеса.

Reservation:
For government institutions and non-outsourcing/non-outstaff companies, I am considering a position at the level of Lead Specialist with a 100% guarantee of reservation and retention in the staff as an indispensable employee (without the possibility of being removed from the staff in case of receiving a military summons). I work exclusively remotely or from an office located in Odesa.

Skills:
Network experience
• Work with cisco IOS, IOS XR, Exteme networks EXOS , juniper Junos, dlink cli.
• Skilled in OSI model , TCP / IP stack
• Protocols: DNS, HTTP, HTTPS, FTP, SFTP, TFTP, mail (SMTP, POP3, IMAP), SNMP, ICMP, IP v4, IPv 6, NDP (ipv6), ARP, Proxy-ARP, RARP, TELNET, SSH , TCP UDP; ppp + (PAP, CHAP), PPPoE, RADIUS , Ethernet 802.1Q (VLAN port based , mac based), 802.1x
• L2 VLAN (802.1q), QinQ, Port channel, LACP, cisco VTP, PRIVATE VLAN, d-link traffic-segmentation
• Configuring QoS, NBAR, 802.1p, loop detect, mac bind. Cisco Port security. DHCP relay, DHCP snooping.
• STP protocols (rapid STP, pvst, pvst +, MSTP) root guard, bpdu filtering etc
• Configuring static routes, PBR route map, cisco express forwarding
• Manage and design dynamic Routing: RIP v1, RIP v2, EIGRP. OSPF v2 (area, LSA), BGP, redistribution.
• BGP v4-IBGP, EBGP,BFD, administration multihome AS , filtering, prepend, next hop,bgp community,route reflectors etc. MPLS networks.
• ACL, Reflexive acl, distribution list, prefix list, route map
• Configuring first hop Redundant gateway HSRP, VRRP, GBLP
• Managing Sflow / netflow protocols
• Configuring DHCP, ARP, proxy-arp, arp inspection protocols
• Configuring tunnels in site to site VPN networks, vpdn, GRE, encryption IPSEC. DMVPN, Nhrp
• Multicast MVR, PIM PIM-SM, PIM-DM, igmp, igmp snooping v1, v2, v3
• Port Mirroring, vlan. Remote mirroring protocol
• Basic skills cisco TCL EEM
• Experience with switches:
• L2s: Cisco catalyst 2950, 2960, dlink DES 3028, DES 3526, DES-3200, DGS 3100, DGS 3450..
• L3s: Extreme networks Summitx450, Summit x650, Black Diamond 8810
• L3s:vCisco Catalyst 3550,3560 X, 6506, 6509. Juniper switches EX3300,EX4550.
• Cisco enterprise routers: 1700 series, 1800, 1900, 2800, 3700,7200,7600,
• Cisco ISP: Cisco ASR routers
• Juniper ISP: MX5-T, MX80
• Network Firewalls: Cisco ASA, Microsoft TMG.

•Operating System Linux (Centos, Debian, Ubuntu)
•Controlling access rules ,nat and redirection with: ip tables, ebtables, pf, ipfw.
•Controlling user access with chroot, using freebsd jail.
•Rebuilding the kernel adding functions and optimizing the unix core . Editing •Conf. Files: rc.conf, rc.d, rc.local, fstab etc.
•Configuring network : bond , bridge, VLANs, alias interfaces, inetd server, static routing, quagga, rp-PPPoE, pppd.
• Log analysis, log rotation, traffic analysis using tcpdump .
• Monitoring the network using packet monitoring Zabbix, Cacti, mrtg . Collection packages with collector flowtools, PMACCT collecting sflow / netflow
• Configuring LAMP
• Nginx
• FTPd, proFTPd
• DHCPd, bind, squid etc
• MPD5 server / client (PPPoE, PPTP + / radius / mysql DB users), openVPN
FreeRadius (web interfaces: Dialup admin, Dalo Radius)

Programming skills
• Java coding. Common libs and frameworks.
• REST applications development
• OOP
• C++ (Basic level)
• Perl libs : telnet, snmp DBI, CGI, NET, sockets
• Python coding
• DB mysql. SQL familiar
• NO-SQL DB

• VOIP experience
• Working with SIP protocol, PRI connections. Configuring Cisco Voice gateways, Cisco CUCM, CME .
• Implement VOIP based on Aterisk server. Configuring VOIP GSM gateways, E1 PRI/FXO gateways.
•Experiance with vicidial
•Implemeting asterisk with FreePBX and sugar crm. .

• Fiber optics experience
• Skills in CATV networks.
• Low level network design based fiber connectors, patch cords,(PC, UPC, APC), optical splitters, optical amplifiers, optical modules sfp, wdm sfp, sfp +, cwdm sfp, XFPv etc.
• DWDM skills.CWDM. Setting up the optical amplifiers. Setting: FOB, crosses, couplings,
• Welding fiber.
• Ability to use OTDR. Measurements OLT. Finding the fiber cut.