CV of Stojancho Chavdarov

STOJANCHO CHAVDAROV, Network Engineer
Address: U Akademie 3/329 Telephone: +420 776789792
17000 Prague 7, Czech Republic E-mail: cavdarov@gmail.com
OBJECTIVE
- To obtain a position of Network architect or senior position in networking/security engineering
SUMMARY
- Network engineer experienced in design, implementation and troubleshooting of complex
enterprise networks.
- Extensive experience in design and implementation of network security solutions from various
vendors for enterprise networks.
- Skills include design, implementation, troubleshooting, client and vendor communication,
training of operation team.
- Excellent communication skills, roles and responsibilities skills and time management skills.
- Over 7 years of experience in Networking, 3 of them in senior position.
- Master degree in computer sciences and technologies.
PROFESSIONAL EXPERIENCE
Verizon Business, Czech Republic
January 2011 – present
Senior Network Engineer, Global Engineering Solutions
EMEA Transition and Transformation Team
- Technical design authority for Verizon-managed customer networks
- Owner of the customer’s network architecture and responsible for the implementation of all
design-impacting changes, architecture reviews, capacity management, problem
management, etc.
- WAN and LAN engineering, Wireless LAN, IP Services (DNS, DHCP) engineering,
Application Acceleration and various other network-based technologies.
AT&T Brno, Czech Republic September 2008 – December 2010
Senior Network Engineer, Transition and Transformation Team, Yara account
- Design, implementation and final escalation engineer for various security solutions from
vendors: Cisco, Checkpoint and Bluecoat
- Design, configuration and migration of all site to site VPN connections
- Many successful LAN refresh designs and implementations. Sites range from 100 to 714 users
- Design and implementations of new firewalls (Checkpoint and Cisco)
- Training of network operations team
- Support of AT&T Enterprise MPLS Network with 50% of time (January – May 2010)
- Technical lead in migration of several MPLS lines for Yara partners
IBM, GNMC Brno, Czech Republic November 2007 – September 2008
Focal point for network operation team and member of Transition and
Transformation Network Team, Yara account
- Focal point for network operations teams (2nd level support, tools team, monitoring team)
- Design and on-site implementation of several Checkpoint firewalls (Nederland’s and Germany)
- Design and on-site implementation of LAN Refresh on office in Prague
- Moved to AT&T as part of BlueSky project

IBM, GNMC Brno, Czech Republic November 2005 – October 2007
Network Specialist, 2 nd level network operation team, focal point of 2 nd level team,
Italian Network Service Delivery team
- Written shell script for getting parameters needed for Health Checking on Nokia IPSO,
optimizing significantly the time for performing this task. The script was implemented on all
firewalls running on Nokia IPSO in GSNI Italy and all Italian customers (approximately 80)
- Technical lead for 2 teams performing network related activities on Global Value account
- Focal point for 2nd level NSD for Global Value (Fiat, Iveco and 9 other companies)
- Merging of GSNI operation team with Global Value operation team
Macedonia On-Line, Skopje, R. Macedonia February 2004 – November 2005
Network and server Administrator
- Implemented backup system on all servers with rsync
- Implemented Radius server and PPPOE for all clients within ISP
- Implemented monitoring system to monitor all the network devices using Cacti
- Implemented monitoring system to monitor all servers using Nagios
EDUCATION:
- Master degree in Computer Systems and Technologies, November 2006
“Technical University - Gabrovo”, Gabrovo, Bulgaria
Thesis: “Problems with fragmentation of IP packets in internet environment”
- Undergraduate for Electrical Engineering, February 2001
“St. Kliment Ohridski”, Bitola, Republic of Macedonia
CERTIFICATIONS:
- Cisco Certified Security Professional - CCSP (2009)
- Checkpoint Certified Security Administrator - CCSA (2010)
- Cisco Certified Network Professional - CCNP (2008)
- Cisco Certified Internetwork Professional - CCIP (2010)
- Certified Cisco Design Professional – CCDP (2010)
- Cisco Certified Design Associate – CCDA (2010)
- Cisco Certified Network Associate - CCNA (2004)
- Linux Professional Institute – LPI Junior System Administrator (2005)
- Certified Cisco Information Security Specialist (2008)
- Certified Cisco IOS Security Specialist (2008)
- Certified Cisco IPS Specialist (2009)
- Certified Cisco ASA Specialist (2009)
- Six Sigma Yellow Belt (2010)
- In Progress: CCIE R&S (planned Q1 2012)
TECHNICAL SKILLS
Configuration and Troubleshooting
Cisco Firewalls:
- Cisco FWSM Multi Context
- NAT/PAT
- Site to Site VPN
- Cisco IOS Firewall
- nat-control
- ISP Redundancy
- Site to Site VPN
CheckPoint Firewalls:
- Distributed deployment
- ClusterXL High Availability
- Load Balancing
- NAT/PAT, Proxy-APR
- Site to Site VPN
- Remote Access VPN
- ISP Redundancy

Switching:
- Etherchannel
- Spanning Tree
- VTP
IOS L2 Security:
- DHCP Snooping
- Port Security
- IP Source Guard
- Dynamic ARP Inspection
Network Tools:
- Lucent QIP (DHCP, DNS)
- Lucent Porttracker
- Lucent Vitalnet
- Tivoli Netview
- Cisco Works
- Eye Of The Storm
Routing:
- EIGRP
- OSPF
- BGP
- MPLS
High Availability
- HSRP
- VRRP
- Cisco StackWise
Enterprise Proxy Solution:
- Bluecoat
Authentication:
- RADIUS
- TACACS+
- Cisco ACS Server
Network Equipment
Cisco Firewalls:
- Cisco FWSM
- Cisco ASA 5500 Series
- Cisco PIX 500 Series
CheckPoint Firewalls/Management
- IP 1200 Series (Nokia IPSO)
- UTM-1 Series (SPLAT OS)
- UTM-1 Egde Series
- R55, NGX R60, NGX R65
- SmartCenter SPLAT
- Provider-1
Bluecoat Proxy:
- SG8100 Series, SG210 Series
Wireless Equipment:
- Cisco WLC 4400 Series
- Cisco WCS Server
Operating Systems:
- Linux (Slackware, RedHat, Backtrack)
- UNIX (AIX)
- FreeBSD
- Microsoft Windows
Programming/Scripting
- Bash
- Perl
Productivity Applications:
- Lotus Notes
- Microsoft Word
- Microsoft Excel
PROFESSIONAL REFERENCES:
Available upon request
- PHP
- C, C++
Cisco Switches:
- Catalyst 6500 Series
- Catalyst 4500 Series
- Catalyst 3750 Series
- Catalyst 3650 Series
- Catalyst 2960 Series
Cisco Routers:
- Cisco 7200 Series
- Cisco 3900 Series
- Cisco 2900 Series
- Cisco 1900 Series
Load Balancers:
- Cisco CSS 11000 Series
- Radware
Lucent:
- Porttracker
Motorola CMTS routers
Other Applications:
- Wireshark
- MRTG
- Cacti
- DMNetworks
- eNOS
- Microsoft PowerPoint
- Microsoft Outlook
- Open Office
- Microsoft Visio