Dmytro

Contact information

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Work experience

System and security administrator

from 05.2013 to now (11 years)
Remote administration for various companies in US, Kyiv (IT)

System administration: UNIX, Windows etc.

Leading security engineer

from 10.2011 to 03.2014 (2 years 5 months)
Astelit LLC, Киев (Mobile telecom provider (TM life:), now Lifecell.)

Network and servers security. Site-to-Site and Remote access VPNs. Services monitoring. Products/technologies: Checkpoint (CrossBeam) firewall, Cisco ASA, Cisco ACS, Cisco VPN concentrators, Cisco switches (45xx, 65xx) and routers (72xx, 76xx), McAfee IDS/IPS.

Consultant

from 01.2009 to 06.2011 (2 years 5 months)
S&T Ukraine, Киев (IT)

Design, implementation and further support of IT monitoring systems for Solaris, Linux, HPUX, and Windows (IBM Tivoli Netcool suite, xMatters AlarmPoint, HP OpenView, Nagios).

Network Administrator, then Head of network administration Group

from 12.2006 to 12.2008 (2 years)
Credit Europe bank, Киев (Finance, banking, and insurance)

Full responsibility for corporate network design, implementation and maintenance. Provide the connections with remote offices through MPLS VPN network (OSPF, GRE tunnels with IPSec protection). Network security. Support of IBM p5 AIX systems, backup system (Veritas NetBackup, IBM Tape Library), IP-telephony (Cisco CallManagers 5 and 6, Cisco Call Center - IPCC, IVRs, TCL scripting), Integration with Active Directory and MS Exchange, some VBA experience with MS Exchange (users' mailboxes, rights, etc.).
Lead the command of specialists for new branches opening projects.
Used software: Veritas NetBackup, Cisco ASDM, IBM SAN storage manager, SQLPlus, Vmware virtual infrastructure ( Enterprise with SAN and workstation), Nagios monitoring system, Cisco VPN, etc.
Hardware: IBM p5 servers; IBM Tape library; IBM xServer; Cisco 871, 1841, 2621, 2801, 2811, 2821, 2851, 3825, 7206 VXR routers; Cisco 2950, 3560, 3750 switches; Cisco ASA 5520 firewalls; Juniper NetScreen firewalls; DSL modems, etc.
OSs : AIX 5, FreeBSD, RedHat and Ubuntu Linux; Windows XP/2003, Cisco IOS.
Languages: C for Linux, Java and VBA for Windows, Shell and Perl for Linux and AIX and FreeBSD.

Senior system/network administrator, then Chief of the department of network exploitation and maintenance

from 06.2006 to 12.2006 (6 months)
Intellectual Communications, LLC, Киев (Telecommunications and networking)

Support and development of ISP network all over Ukraine . Lead a team of several technical specialists. The network (AS 24896) includes Cisco routers (2621, 7206), switches, Motorola Canopy, Alvarion, D-link and Tropos wireless equipment managed by Castle Rock SNMPc Server and SOLARWINDS's Orion/Cirrus; billing, mail and web hosting on FreeBSD. Have designed and applied into working surrounding a corporate mail system based on FreeBSD cluster with virtual domains and user accounts kept in PostgreSQL database.

Networking technologies and protocols: OSPF, VLAN, VPN, SSH, Rsync over ssh, NTP, etc.

Specialist of the Directory of automation, then Deputy chief of Automation department, then Chief of Dept.

from 08.2002 to 06.2006 (3 years 10 months)
Bank Ukrainian Capital, Киев (Finance, banking, and insurance)

Full responsibility for bank's system and network security: firewalls on FreeBSD, Linux and Cisco 2620, ACLs on Cisco 2620 and Catalyst 2950; software routers on FreeBSD, NAT systems on FreeBSD and Cisco 2620 router, intrusion detection systems like SNORT and Cisco's IOS FW/IDS; jail subsystem for mail and proxy daemons on FreeBSD; files integrity checking systems like Tripwire and Integrity;
Installation, configuring and system administration of bank servers: SCO OpenServer 5.0.4-5.0.7; Linux ASP 7.x and 9.x (RedHat derivative), Gentoo; FreeBSD 4.x and 5.x; Windows 2000, XP, and mail/proxy servers (Sendmail and Postfix mail systems on FreeBSD and Linux, MMDF on SCO OpenServer, Squid, servers' antivirus software);
Administrating the Oracle database server;
Working out, design and implementation of bank's local network: segmentation, routing, firewalling, masquerading, VPN (Cisco, FreeBSD, Linux), VLANs; security and capability optimization; Cisco router (2620 with IOS 11.2 Enterprise IP/FW/IDS plus) and Catalyst 2950 switches configuring and administration.
Establishment and monitoring of connection channels with Internet service provider, Central clearing house of National bank, processing center of UkrCard system (VPN based on IPSec), Reuters (Frame Relay pvc, routing tables, access control lists, IDS with FW).
Writing application programs, system daemons, and scripts (C, C++, Java, sh, Perl).
Participation in National bank's and other companies seminars on information security

Education

Kyiv State university T.Shevchenko

Radio-physical dept., specialty: radio-physics and electronics, Киев
Higher, from 1982 to 1987 (4 years 9 months)

Diploma degree: Specialist, engineer-researcher.

Additional education and certificates

A lot of.

constantly

Knowledge and skills

Language proficiencies

English — advanced

References

Recommendations are available at LinkedIn.

Recommendations are available at LinkedIn.

Disability

3rd degree.

Additional information

Working experience in system administration and integration: UNIX (shells, Perl, awk, sql); system and network security and administration.

Security: Checkpoint/Crossbeam firewall, Cisco ASA, ACS, VPN concentrator, VLANs, ACLs, virtualization (jails, virtualbox, vmware etc.)

Monitoring: Nagios, IBM Tivoli Netcool, xMatters Alarmpoint system, Zabbix, Cacti etc.

OS: UNIX (FreeBSD, Linux, SOLARIS, SCO OpenServer, AIX).
Certifications: CCNA; Brainbench - Information Technology Security Fundamentals, UNIX Administration, Linux Administration, Network Technical Support.

Web-design: HTML (Apache).