Juan Ignacio S.

My name is Juan Ignacio, I'm a contractor from Buenos Aires, Argentina. I can speak and write fluently in English, I also have an intermediate level of Portuguese and a basic understanding of Russian. Spanish is my first language, of course. I've been working at IT for the last 12 years, first at networking, then at network security, which I've been working at full time for the last 5 years. I've been employed for a long time by large corporations, which gives me an ample understanding of several technologies. Also, I work as a consultant both offline and online at other portals. If you desire, I can send you references from former clients and employers. I can provide the following services, all performed with passion and professionalism. I'm always thorough and committed when working. - Network, servers and web penetration testing - Network design, from a security perspective - Perform the initial configuration, reconfigure or troubleshoot issues for firewall, IPS, proxies, load balancers and other security appliances or servers - Malware and virus removal - Post intrusion analysis - Server hardening I hold the CEH (Certified Ethical Hacker) certification, among others, such as the CCNA (Certified Cisco Network Associate). I'm experienced in the following technologies: - Firewalls (Cisco ASA/PIX, Juniper Networks Netscreen, Check Point VPN-1/FireWall-1) - Load balancers (Cisco ACE, F5 BIG-IP) - Proxies (Bluecoat, Squid, Microsoft ISA Server) - Routers, switches and access points (Cisco) - Windows servers (Active Directory, DHCP, DNS, Exchange, SQL, Oracle, ISA) - Linux servers (Samba, Log Servers, Snort, Sendmail) - Virtualization (VMware Server, Workstation) - VPN boxes (Juniper Networks, Nortel)