SUMMARY:

To obtain a full - time position where I can apply my knowledge of information technology, specifically the areas of network security, network engineering and analysis and systems administration.

TECHNICAL SKILLS:

Technical Skills: Windows (8 Yrs), Network (10 Yrs), Linux (8 Yrs)

Platforms: Linux (Redhat Enterprise Linux, CentOS, Debian, Ubuntu, Gentoo, Fedora, Suse, Slackware and others). Windows (Server, Advanced Server, Corporate Server / Datacenter Server), Mac OS, Solaris, Cisco IOS, DOS.

Languages: Visual Basic, UNIX Scripting (BASH/Python/Perl), HTML.

Software: Apache, CPanel, Plesk, Ensim, Norton Ghost.

Server: HTTPD (Apache (Virtual hosting/IP Based Hosting)), DHCPD, IMAPD (Postfix), SMTPD (Postfix/Sendmail).

Networking: Cisco, HP, network design and performance.

Security: Snort IDS, Nessus, Nmap, Netcat, Honeyd, cache poisoning, buffer overflow, injection, firewalls (Cisco PIX & Check Point), Cisco VPN, OpenSSH, risk management, incident response.

Protocols: TCP/IP (ARP, ICMP, DHCP, DNS, WINS, HTTP, LDAP, RIP, SNMP), PPP, VoIP, Cisco, VLAN, SUN, Wi-Fi.

PROFESSIONAL EXPERIENCE

Confidential, Houston, TX

UNIX / Linux Systems Administrator

Responsibilities:

• For several years I’ve been working as a system administrator troubleshooting servers and systems for small businesses through a ticketing system.
• I have also advised in the creation of network and system infrastructures and network storage devices.

Confidential, Houston, TX

UNIX Security Systems Administrator

Responsibilities:

• In Confidential ’s worldwide environment, I assisted in the migration of Sun ONE LDAP 5.2 directory servers to Sun ONE LDAP 7.
• Also, I tuned and configured BoKS Keon master, replica and client machines in three regions (North America, Europe and Asia) across twelve domains.
• Worked to decommission old data centers and point clients toward active DC’s. Performed analytics by creating custom Perl scripts to parse log files to gather information and performed an array of other duties.

Confidential, Houston, TX

Advanced Services Systems Administrator

Responsibilities:

• In a 55,000-server environment, I along with a team supported the advanced services clients and did billable work on web servers running services including Apache HTTPd, Bind DNS, Exim mail server, Q-Mail mail server, Postfix mail server and multiple other daemons.
• Support was performed over a support ticketing system and also by phone.
• Installed custom applications and performed security audits and patched any vulnerabilities found on the systems.
• Also configured, restored and managed Vembu backups for clients.

Confidential, Houston, TX

Systems Administrator

Responsibilities:

• Performed the implementation and maintenance of Apache and IIS web servers, built, installed and configured two Postfix Mail Exchanger servers (MX Servers) which included spam and antivirus firewall features, installed, configured and maintained two BIND 9 and one Windows 2003 DNS servers, Oracle 9i, 10g and MySQL database servers, Linux HA (High Availability) NAS (NFS + Samba) servers, ProFTPD and Filezilla FTP servers, Linux AS2 servers, Linux VMware servers, Zabbix monitoring servers and other software.
• Setup Bacula backup software to back up over twelve of our most important servers.
• Administered the Linux based IP Tables firewall and configured HP and Cisco switches for two internal networks and one DMZ network with a VPN IPSec tunnel to the remote data center.
• Performed security audits and patched systems to meet standards and also edited shell scripts to grab customer data from a FTP server, decompress it and inject into Oracle 10g.

Confidential, Houston, TX

Network Security Analyst

Responsibilities:

• Monitored over three hundred Snort IDS sensors on various networks all over the World.
• Used tcpdump and various filters to determine whether Snort incidents were false alarms or were actually virus outbreaks, hack attempts, mis-configured programs and other types malicious types of activity.
• Also studying for the SANS GIAC Certified

Confidential, Houston, TX

UNIX Systems Administrator

Responsibilities:

• Created backups using Bacula backup system.
• Maintained RAID arrays, mail servers, FTP servers, and various other duties of UNIX administration.
• I was responsible for over twenty-five Solaris servers and ten Linux servers.
• I also configured and performed basic maintenance on Apache web servers, JBoss application servers and Apache Tomcat hosting Petris’s proprietary software.
• I also administered FlexLM license management server and generated licenses for proprietary software Petris sold to customers in the oil industry.

Confidential, Houston, TX

Linux/Windows Server Administrator

Responsibilities:

• Provided customers with advanced desktop technical support over the phone, via IRC, and through instant messaging protocols, troubleshooting and configuring servers with service daemons such as Sendmail, Apache, ProFTP, MySQL, Bind DNS through CPanel and via the command line.
• I also assisted with other miscellaneous server configuration issues.

Confidential, Houston, TX

Network Technician

Responsibilities:

• Networked Confidential ’s Bellaire office’s ADSL and ISDN lines so connections were integrated and could be used simultaneously.
• Enabled network to utilize file sharing, printer sharing, and bound an ISDN line to an ADSL line to improve network performance.