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Thiago Henriques
********@*****.***
Network Engineer
Career Summary:
. Over Nine years (9) of IT experience, seven years (7) as a Network
Engineer. Involved in implementation, design and operation of, DHCP
servers in Linux and Windows environments.
. Configuration and implementation of DNS, Wins services in different
Windows versions.
. Expertise in Linux environment with network monitoring tools.
. Expertise in Linux based firewalls.
. Expert knowledge in configuration and implementation of routing protocols
RIPv1 and RIPv2.
. Expert knowledge in configuration, implementation, and tuning of EIGRP
routing protocol.
. Expert knowledge configuring, tuning, deploying OSPF routing protocol
with NSSA, Stub, and totally stub environments.
. Very good knowledge of BGP and its implementations and security features
related to it.
. Good knowledge of IS-IS routing protocol and design implementations.
. Expert knowledge of Frame-Relay technology and its implementation
considerations.
. Expert & working knowledge of TCP/IP protocol stack and its
implementations variations.
. Worked in environments where VLSM, CIDR implementations were required.
. Very good knowledge of WAN technologies such as DSL, ADSL, ISDN, T1,
DWDM, CWDM, and SONET.
. Expert in Designing & Deploying Network projects following Prepare, Plan,
Design, Implement, Operate, and Optimize methodology.
. Very good knowledge of load-balancing technologies such as HRSP, VRRP,
and GLBP.
. Very good knowledge of Multicasting protocols such as PIM protocol.
. Very good knowledge of Wireless communications using Cisco controllers
and AP's.
. Worked on Vulnerability assessment using well known tools such Nessus,
ISS - Security scanner, Nmap, Superscan.
. Worked with Checkpoint Firewalls, and Web-sense content filtering
applications.
. Good working Knowledge on deploying Asterisk voice gateway server and
implementing VoIP phones using SIP protocol.
. Very good knowledge of Network monitoring tools such as Wireshark (linux
and windows), Tcpdump, Iptraf, ethtool, ettercap, etherape, NTOP, and
MRTG.
. Good knowledge of Policing and Traffic shaping techniques.
. Good knowledge of SAN storage, DAS, NAS and design methodologies
involved.
Education:
. Associate degree of Computer Science (Completion December 2010).
Technical Skills:
Operating System: Windows NT/98/2000, Windows XP, Windows 7, Windows Server
2003, Windows Server 2008. Linux Debian, Fedora, Red Hat, and Slackware.
Security Knowledge: SSH, VPN, Iptables, vulnerability scanners such as
Nmap, Amap, ISS security scanner, NeXpose. Sniffers such as ettercap,
etherape, Dsniff, tcpdump, wireshark. Nikto, Kismet, Air-crack package.
Packages: MS-Office, and MS - Visio.
Certifications:
CCDE - (Cisco Certified Design Expert) Written - 3/31/2010
CCNP - Wireless (Cisco Certified Wireless Professional) - 4/6/2010
CCNP - ARCH (Cisco Certified Architecture Services) - 3/24/2010
CCDA - (Cisco Certified Design Associate) - 3/8/2010
CCNA - (Cisco Certified Network Associate) - 7/18/2009
CCNA - Concentration (Wireless) - 4/24/10
CCNP - (Cisco Certified Network Professional) - June 2010
Work Experience:
Company: Surya Systems, Manhattan - NYC
Position: Network Engineer
Duration: April 2010 to August 2010
Responsibilities:
. Migration of Juniper Firewalls, Cisco Switches 2950, 2960 including
vlan's, trunk, switch security configurations. Maintenance of HSRP
redundancy protocol between firewalls. Implemented RSTP (802.1w)
between Cisco Switches for fast redundancy at switching level (L2),
load-balanced vlan traffic inside trunk link for better performance.
. Implementation of DMVPN using Cisco routers 3945 and 2911. Applied hub
and spoke topology to maximize VPN connectivity between clients.
. Implemented HSRP between Cisco ISR routers 3945 and 2911 providing
maximum availability. Created new IP address scheme providing maximum
usage of IP address.
. Technical support for any issues.
Company: Peri Software Solutions, Newark - NJ
Position: System Administration / Network Engineer
Duration: June 2007 to February 2010
Responsibilities:
. Maintenance of 100+ computers (Linux/Windows), Wlan deployment in the
office includes cabling, position of Wlan AP's, maintenance of LDAP
database (with India office), Oracle, Sybase servers and maintenance
of Astaro Security Gateway FW's.
. Implementation of Asterisk phone system in office, configuring VoIP
phones, installation of PRI (ISDN) cards. Responsible for wired
network in office and configuring Spanning-tree in switches and vlans.
. Troubleshoot of T1's lines when traffic was in congested, affecting
calls and management business.
. Install Red Hat Enterprise Server 4/5 and configure with various other
services and servers
. Provided install/setup and configuration and technical support on
multiple Red Hat services
. Involved in documentation, process and call measurement and tracking
. Assisted in training for international new hires, technical support
engineers
. Assisted in troubleshooting, debugging and configuration of different
services on Linux
. Identified, responded to and escalated support issues to resolution
. Maintenance of Cisco routers (2800, 1800 series) and switches (2900
series) in NJ office as well remotely maintenance for India office.
. Deployment and maintenance of DMZ networks.
. Deployed a wired network design removing all wireless Ap's and
providing a stable network environment with Data and Voice traffic.
. Support to Database migration.
. Configuration of various Linux-based firewalls, and troubleshoot the
same.
. Experience in providing installation packages and engineering support
to outside groups for project requirements
Project Experience:
Project: Cisco Systems
Client: Home Depot, NY, NJ and CT.
Duration: Apr 2007 to June 2007
Role: Cisco Consultant Engineer
Responsibilities:
. Replacement of all wired Cisco network switches 3550 per 3750G on Home
Depot Stores in NY, NJ, and CT area.
. Coordinated with Home Depot store manager the time to upgrade the
network devices without interruption of the data network at store.
. Coordinated with NOC if Network devices were working properly and as
planned.
. Configured switches located in MDF's and IDF's locations. Installed
fiber patch cables on SFP adaptors providing faster data communication
at Core network level (3750G).
. Experience designing SONET and Dense Wavelength Division Multiplexing
(DWDM) systems.
Project Experience:
Project: Equant / Orange
Client: Lufthansa, Air Canada, De Shaw Securities
Duration: September 2006 to March 2007
Role: Consultant Engineer
Responsibilities:
. Maintenance, configuration, and migration of systems.
. service and maintenance calls, as well as configure install and
migrate Cisco routers 2600XM series, Switches 2900 series, and
Windows servers 2k3, 2k.
. Coordinated closure of client difficulty with project manager.
. hardware troubleshooting, logical troubleshooting (IP Addresses,
VLSM), and VPN's
. Coordinated with offshore NOC for accomplishment of tasks.
Work Experience:
Company: Future Security - Rio de Janeiro, Brazil
Duration: Feb'05 to November 2005
Role: Security Analyst
Responsibilities:
. Development of reports on analysis of vulnerabilities.
. Maintenance of Cisco routers (1700 and 2600 series), Cisco switches
(2900 series), PBX (Nokia), and Windows Servers 2003, 2000 and NT.
. IIS (5 and 6) maintenance, Active Directory, Apache web server, DNS-
servers, Checkpoint Firewall, VPN's and DMZ Networks designs and
deployments.
. Vulnerability analysis and execution of pen-testing using tools such
as Nessus, ISS - security scanner, Nmap, Metasploit, Amap, Kismet,
Nikto, ettercap, Dsniff.
. Traffic analysis using tools such as Tcpdump, Wireshark, iptraf, ntop,
mrtg, ethtool and log messages on servers.
. Vulnerability assessment on multiple financial clients in Brazil using
Open-source tools.
. Updated vulnerability reports using Lotus Notes 6 and coordinated with
clients to deliver the information securely with high-encryption
protocols.
. Used Vmware software to develop and test solutions for clients and
provided demo for the same.
. Experience in defining, engineering, and resolving network capacity
requirements utilizing high capacity next generation lightwave and
wave division multiplexing technologies to meet network services
capacity, vulnerability, and diversity and growth requirements.
. Cooperated with prominent Telecom companies in Brazil.
Work Experience:
Company: Rio de Janeiro State Hospital, Rio de Janeiro - Brazil
Duration: June 2003 to September 2004
Role: System Administrator
> Administration, installation of computers (windows and linux),
administration of Cisco routers (IGRP, RIPv1, OSPF).
> Maintenance of switches (Cisco), monitoring of IP routing tables on
Cisco routers.
> Maintenance of ISDN lines (PRI and BRI), Dial-up connections and using
hashing to secure with CHAP), configuration of DNS services on Linux
server.
> Maintenance and installation of DHCP server on Linux (Slackware).
> Configuration on end-users pc's for DNS service.
> Configuration on end-users pc's for DHCP server.
>
Work Experience:
Company: Uniconsult engineering, Rio de Janeiro - Brazil
Duration: June'00 to June'03
Role: Technical Support
Responsibilities:
> Services of support in the area of engineering relative to the
preparation of drawings in using AutoCAD.
> Development of documents using Excel, Word, PowerPoint.
> Assisted Mechanical Engineers with computers, Mechanical drawings and
documents preparation.
> Assembled computers, repair damaged parts and installed Operational
systems and relative applications for end-users usage.
> Experience in drawing complex system diagrams using CAD-based software
is preferred.