Systems and Services Engineer, with 12+ years of working experience. Interested in researching, administrating, debugging, tuning and developing platforms running on UNIX like Operating Systems. Able to troubleshoot, identify and solve problems in software, network or kernel layer. Always willing to learn and experiment new technologies for creating high availliability platforms, that could described as "state of the art" or "cutting edge" technology. Specialties: • Unix Like Operating Systems Specialist (Solaris / Linux ). • TCP/IP Network technology • Very deep level of knowledge on Machines hardware and OS Kernels internals. • Troubleshoot/Tune/Debug; System Services, Operating Systems • Mail Services Expert, Qmail-Ldap Specialist. • Network: Cacti/MRTG, Nagios, Cisco Netflow • Databases: PostgreSQL / MySQL / Oracle / LDAP. • Programming: Perl, Ansi C, bash, awk, sed, php etc • Internet Services: mail, http, radius, ftp, ssh, irc etc.
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I have 10 years working with Asterisk, Linux, Postfix, Apache (and others). Actually i'm studying a bachelor in computer science at UNAM (Mexico) with focus on Data minning, Big Data, and Data Science. In the past i worked at comunications enterprise who has a large amount of office over a lot of cities in Mexico and Central America (Panama, Honduras, Nicaragua, Costa Rica, Dominic Republic), they have now a single callcenter where all calls that inbound from all cities, drops into that callcenter via VoIP with SIP over Asterisk. On the other hand, we build a system for automatic outbound calls for agents to prospect sales. I was also in charge of deployment of servers, Asterisk, Apache/PHP/Django (for web administration and web access for call agents), IPTables (for security), Squid (a web cache proxy for content filtering), Postfix+Dovecot for email, and a large of etcetera, all over ubuntu server and debian linux servers. often i wrote about my work, discoveries, advances and achievements in my blog at http://nizhi.im
Francesco Ongaro is an Italian security expert and Hacker, living in Verona (the city of Romeo and Giulietta), specialized in Network and Web Application Penetration Tests. He performed several hundred of technical activities over the years for many of the most important and exposed costumers in the private, public infrastructure, finance, banking, insurance and media fields. His research and advisories are published on USH (www.ush.it) and he founded an independent Tiger Team under the ISGroup (www.isgroup.it) umbrella. Senior Security Researcher at ISGroup (http://www.isgroup.it/), IT Security Outsourcing company. CEO at USH (http://www.ush.it/), IT Security research team. IT/ICT Security - Vulnerability Assessment (VA) - Network Penetration Testing (NPT) - Social engineering - Web Application Penetration Testing (WAPT) - Ethical Hacking - Security engineering - White box Architecture, Application, Database and Code Review - IT Security Standards and Best practices Audit - IT Security Policy and Documentation Audit - Reverse Engineering - ISO 20000 / PCI DSS / NIST / COBIT - Information Risk Management - Disaster Recovery (DRP/BCP) - IT Audit & Compliance Management - Secure development - Project management
My web site is: www.a4business.com I am creating turn-key VOIP platforms for online bussines with WEB-site, different billings, rates setup, VOIP dialers, mobile dialers, DIDx provider integration, paypal online payments for Calling card business, DID and other. I have expierence in VoIP, Sysmaster/VoiceMaster brands. Demo: www.norfa.com, ( ask me for PIN ) Video lessons: https://vimeo.com/user36231282/videos Also, I had expierence with Nextone, Asterisk, freeswitch, iTelBilling, iTelByteSaver, iTelSwitch, Billbery, Alepo, MVTS, a2billing, freepbx, opensips, kamalio, PHP programming (php-agi, css, jquery), Linux advanced administration, kernel, bash, perl, SQL database architecture: Mysql, MSSQL, Sybase, SQLite, PostgreSQL, Cacti, MRTG, RRD, WHMCS customization, system Backup/Restore schemes. Also I install everything which is needed for business - mail exchange servers (Zimbra, Zarafa, Roundcube Webmail), Ticketing CMS (WHMCS) and write custom modules for each.
Linux (ubuntu/debian, red hat/centOS, gentoo): - web (Php-fpm, Nginx, RoR applications, Apache+php-cgi) - Databases mysql, mongoDB - virtualisation (OpenVZ, KVM) - monitoring and backups (Cacti, Nagios, Zabbix, Bacula) - atlassian (jira, confluence, fisheye etc.) - Amazon AWS (ec2, ses, sqs, loadbalancers, s3) - Git, Puppet, Iptables, Squid, OpenVPN etc....