Dardo Valdez Systems Architect yacolinux@yahoo.com.ar Summary Infrastructure Architect with a strong Linux system administration background. Seven (7+) years of professional experience. Knowledgeable on infrastructure virtualization, cloud computing, private clouds, devops & Agile oriented IT operations management, and Windows Server Platform administration. I've worked on mission critical datacenters & NOC environments since 2006. I achieved a Technical Management position in November 2008, managing an IT infrastructure consisting of dozens of servers deployed in geographically dispersed datacenters, supporting it on a 24x7x365 basis. Worked on infrastructure monitoring for two years for an ITO provider. I'm currently back at the systems administration field organizing a datacenter for a local organization. Specialties Devops & Agile IT Operations; Infrastructure & Team Management; Systems Administration; Open source based solutions developing & implementation; Infrastructure Virtualization; Clouds, Infrastructure Monitoring; Mentoring & Training; Computer & Network Security; NOC operations Courses Technology Consultant III - Infrastructure Specialist Hewlett-Packard Solaris 10 Operating System Essentials SA-100-S10 System Administration for the Solaris 10 OS Part 1 SA-200-S10 System Administration for the Solaris 10 OS Part 2 SA-202-S10 Solaris 10 Containers WS-2260-S10 Solaris 11 Technical Deep Dive HP Operations Manager 9.0 on UNIX/Linux Administration Essentials OM90LINUXESS SUSE Linux Enterprise 11 Fundamentals Course 3101 SUSE Linux Enterprise 11 Administration Course 3102 SUSE Linux Enterprise Server 11 Administration Course 3103 Page1
Preparing for the Certified Linux Professional 11 Exam Course 9064 (Advanced Technical Training) IT Infrastructure co-responsible & System Administrator Poder Judicial de la Provincia de Corrientes HP Software Storage Data Protector 6.0 Fundamentals U1610S 3Com Config & Deploy Lan Switch Solutions Training 3CS-TRN-201 Languages English Skills & Expertise Red Hat Enterprise Linux 5/ CentOS Suse Linux Enterprise Server 10/11 Debian Linux / Ubuntu Solaris Nagios Bash Scripting OpenLDAP Postfix DNS - Bind Apache LVM - Logical Volume Manager AIX; HPUX; Solaris KVM Virtualization - VMWare ESX HP Operations Manager for Linux/Unix CA NSM Unicenter (TNG) 3.1 / R11 SAN Infrastructure Chef Puppet Openstack DevOps Cloud Computing Private Clouds Agile Methodologies HP-UX Ubuntu Debian (Competencia profesional completa) (Intermedio, 3 años de experiencia) (Avanzada, 4 años de experiencia) (Avanzada, 4 años de experiencia) (Experto, 4 años de experiencia) (Avanzada, 5 años de experiencia) (Experto, 5 años de experiencia) (Intermedio, 4 años de experiencia) (Avanzada, 4 años de experiencia) (Intermedio, 4 años de experiencia) (Experto, 4 años de experiencia) (Principiante, 1 año de experiencia) (Intermedio, 3 años de experiencia) (Principiante, 1 año de experiencia) Page2
Bash Experience System Administrator at Facultad de Medicina - Universidad Nacional del Nordeste septiembre de 2012 - Actualidad (3 meses) I'm working upgrading the main system's architecture to a solid status regarding: policies, procedures, documentation and technical infrastructure (hardware & software). Technology Consultant III - Infrastructure Specialist at Hewlett-Packard mayo de 2010 - septiembre de 2012 (2 años 5 meses) HP Operations Manager for Unix/Windows standard incident resolution, advanced configuration and customization in many client platforms. De Facto Level 3 technical troubleshooting and complex incidents resolution involving: Patch Management, RCA for complex software interactions, Information collection & provision for technical escalation to software support, technical escalation ownership. Project management duties directly involved in deployments and new build projects providing multi-team tasks coordination. Team Continuos Improvement (CI) duties providing new troubleshooting techniques and procedures. 1 recommendation available upon request IT Infrastructure co-responsible & System Administrator at Poder Judicial de la Provincia de Corrientes febrero de 2006 - mayo de 2010 (4 años 4 meses) I ve been involved since the beginning of the Judicial Power of Corrientes informatization project participating mainly in tasks related to my system administrator funtions as well as others as infrastructure planification and deployment logistics. Since November 2008 I ve been assigned with greater responsibilities, focally the administration and manteinance of all the servers in the infrastructure. I ve worked with many tools, this a list of services I have configurated and administrated, always implementing towards redundancy & high resilience schemes including replication, automation, and monitoring capabilities if possible: OpenLDAP, Samba, NFS, Amanda, Bacula, Bash Scripting (some Python & Perl too), Squid, Openfire, Apache, Mysql, Postgresql, some Heartbeat & DRBD, Postfix, ISPConfig (Postfix), Nagios, Cacti, Ganglia, Collectd, Netfilter/Iptables, Vmware ESX, EventLog & Firewall Analyzer, HP Dataprotector 6.0, Kaspersky products for Linux, LVM, RAID on Linux, Ispconfig, Syslog, SquidGuard, Munin/Monit, AIDE, Sysstat, Ssh, Fail2ban, Knockd, SpamAssasin, Amavis, Postgrey, Greylistd, Rsync, Nmap, Wireshark, Snort, Awstats, Cacti, Ganglia, some MTRG, Ntop, Microsoft WSUS, etc. Many of this tools were new or of an unknown practical use and/or potential to the Judicial Power of Corrientes infrastructure, it was my responsibility to carry on research, to conclude what objective utility they Page3
had and to design an apropriate deployment path. Virtualization: Vmware Vsphere 4, Vmware ESX 3.5 Iurix: 4 years in 10+ servers deployment, migration, tunning and customization. www.ddsunitech.com.ar Servers: Top experience on HP Proliant ML370G5, G4, DL320G5, DL160G5; Admin' experience on APC infrastructure UPS and sensors Networking: Admin' experience at Fortigate 1000AFA2, F800, F300, F200, F100 and F60s; Fortimanager and Fortianalyzer; Ops experience on 3Com switches L2/L3, 8800 and 5500 family 5 recommendations available upon request Owner and Trainer at Sysadmin Linux Training Sessions agosto de 2009 - octubre de 2009 (3 meses) Intensive Linux training courses, bringing the best of system administration knowledge and know-how to the NEA, Argentina. * NEA: Argentina's Northeast geographical area ("Nordeste Argentino") Freelance system administrator at Subsecretaría de Energía - Pcia. de Corrientes junio de 2009 - junio de 2009 (1 mes) Windows 2003 Server deployment: network services, file server, print server, user authentication and Openfire XMPP/Jabber messaging service. Internship at Poder Judicial de la Provincia de Corrientes abril de 2005 - junio de 2005 (3 meses) Debian Linux servers install & configuration. Services: Apache, NFS, DHCP, OpenLDAP, Mambo CMS. I also worked as security consultant at internal auditories of hardware previously asigned to ex-employes. I researched and solved issues at layer 3 connectivity related to NFS. I researched and suggested potential improvements at client level configurations in Linux desktops/gnome GUI. Freelance Autor, translator at Esdebian.org & Starlinux.net enero de 2002 - diciembre de 2003 (2 años) I ve wrote and translated technical articles for the Linux related portals www.esdebian.org and Page4
www.starlinux.net. 1 recommendation available upon request Honors and Awards Proactive Attitude - Most Value TIC 2011 Comunidad TIC octubre de 2011 "For his excellent work as moderator in the mailing list, creating and proposing new threads in 2011". October 26, 2011 Matías Mascazzini - General Coordinator Comunidad TIC http://www.comunidadtic.com.ar Education SUSE Academy SUSE Certified Linux Professional 11 Training, 2012-2012 Activities and Societies: Novell SUSE Linux Enterprise 11 Fundamentals - Course 3101 Novell SUSE Linux Enterprise 11 Administration - Course 3102 Novell SUSE Linux Enterprise Server 11 Administration - Course 3103 Novell - Preparing for the Certified Linux Professional 11 Exam (Advanced Technical Training) - Course 9064 HP Education & Training HP Operations Manager 9.0 on UNIX/Linux Administration Essentials, 2011-2011 Oracle University Oracle / Sun Solaris 10, 2011-2011 HP Education & Training HP Software Storage Data Protector 6.0 Fundamentals. U1610S, 2008-2008 Universidad Nacional del Nordeste BA in Information Systems, 1999-2008 1 recommendation available upon request 3com University Config & Deploy Lan Switch Solutions Training 3CS-TRN-201, networking, 2007-2007 "Nuestra Señora de la Misericordia (I-29)" High School Técnico en Administración de Empresas, 1993-1997 Universidad Tecnológica Nacional Page5
Interests Management, Systems Administration, IT Infrastructure, Information Security, INFOSEC, Networking Page6
Dardo Valdez Systems Architect yacolinux@yahoo.com.ar 8 people have recommended Dardo "Dardo is a dedicated employee. We have work together for a year now. He's a good learner and organize person. Always looking that everything that is needed is completed. He is a Great person to work with." Victor Di Rienzo, Team Leader - Technology Consultant III, Hewlett-Packard, managed Dardo at Hewlett-Packard "Dardo is one of my good friends, and he is helping, kind, and great personalities i had seen." Harsha G, Specialization Senior infrastructure Engineer, Mphasis, worked directly with Dardo at Poder Judicial de la Provincia de Corrientes "Dardo es un administrador de sistemas muy respetado en el ambiente, logra poner en práctica su gran bagaje de conocimientos técnicos manteniendo una personalidad humilde y afable. Se puede contar siempre con él / Dardo is a very respected sysadmin in the local industry, he manages to put in practice his great technical knowledge keeping a humble and affable personality. You can always count on him" José González D'Amico, Analista funcional senior, Unitech, was with another company when working with Dardo at Poder Judicial de la Provincia de Corrientes "proactivo, en constante capacitacion, y una persona que se destaca en su area dado sus altos conocimientos, me toco trabajar en equipo con el, y puedo asegurar que se aprende y uno esta en un ambiente tranquilo con alguien que sabe perfectamente lo que hace." Facundo Brunel, Soporte, Poder Judicial, worked directly with Dardo at Poder del Estado, Pcia. de Corrientes "Dardo is a extremely dependable, detailed and thorough person who will work to get things done and done properly. Way high league." Horacio Arroyo, Sr. System Administrator, Poder Judicial, Provincia de Corrientes, managed Dardo indirectly at Poder del Estado, Pcia. de Corrientes "I had Dardo on my team, and I can say that he is "one of the kind" guys you always want to have on board." Horacio Leconte, Datacenter & Networking Chief of Division., Judicial Power of the Province of Corrientes, managed Dardo at Poder del Estado, Pcia. de Corrientes Page7
"Dardo realizo un excelente trabajo de traducción y adaptación de contenido relacionado con GNU/Linux, como siempre, muy profesional y serio para trabajar." Ariel Pereira, Fundador y administrador, esdebian, was a consultant or contractor to Dardo at Esdebian.org & Starlinux.net "Dardo es un excelente profesional, totalmente capacitado para el sector TIC, admirable por sus conocimientos. He sido "alumno" en varias formaciones que ha impartido en la universidad y ha sido mi fuente de inspiración en el software libre." Leandro Ariel Leonhardt, Estudiante, Universidad Nacional del Nordeste, studied with Dardo at Universidad Nacional del Nordeste Contact Dardo on LinkedIn Page8