I am a Linux systems integrator with experience in Unix administration, application optimization, infrastructure security and leadership. Although my main focus is on network monitoring and expansion, I also work with infrastructure maintenance, kernel customization and Linux packaging. My career started in the shadows of a room writing security books related to Linux and providing consulting services to individual customers and commercial organizations. That's where I learned to think on my feet and be flexible. The experience taught me about business and managing heavy workloads, but most of all, it taught me about the beauty of this field of work. Specialities: Security (Monitoring software, Intrusion detection/prevention, Firewall), Scripting (Ruby, PHP, Python, shell), Linux systems administration (RHEL/Fedora, Debian/Ubuntu, Gentoo), Network administration (Cisco, Fortinet, Brocade, DELL, HP, Meru), Databases (MySQL, PostgreSQL, Elasticsearch), Virtualization (VMware, XenServer, KVM).