Alberto M. Sierra Reales
E-mail: asierra_@hotmail.com
Personal Information
Age: 23
Languages: Spanish (100%) - English (90%) - French (10%)
Education
1997-1998
Colegio José Fidel Tristan
San Jose, Costa Rica
High School Bach.2001-2003
Cisco Networking Academy
San Jose, Costa Rica
CCNA2003-2004
Cisco Networking Academy
San Jose, Costa Rica
CCSP Mods 1 & 2CISCO ID: CSCO10398866
2005
Universidad Latina de Costa Rica
San Pedro, Costa Rica
Ingeniería en Telemática
Professional Experience
Feb 1999- Nov 1999
Laser Video
TechnicianSept 2000- Feb 2004
Nasa International
IT Technician – Network AdminSept 2001- June 2003
Millennium Sports
Network AdministratorMar 2002 - May 2002
Tempest Brokers
Network Designer / AdministratorJune 2003 - Aug 2003
Mercedes Software
Tech SupportSept 2004 – January 2005
Unlimited Capital S.A.
Network AdministratorFeb 2006 - Present
Trusant del Mar S.A.
IT Manager
Computer Knowledge
CISCO
CCNA Curriculum 1-4. Networking hardware, LAN, WAN. CCSP modules 1-2 Securing IOS Routers, PIX Firewalls configuration. VPNsWindows 2000/2003/XP family
Advanced Setup, maintenance and troubleshooting of all services.SQL databases
General to advanced setup, administration and troubleshooting of MSSQL, MySQL and PostgreSQL.Linux
General to advanced knowledge in Linux operating systems, installation, maintenance and troubleshooting. Managed most popular distributions: Caldera, Red Hat, Mandrake, but mostly Linux Slackware.
Set up internet gateways using squid + dansguardian and iptables. DNSs with BIND, and webservers with Apache + PHP and MySQL / PostgreSQL.





