• Developed software to accelerate user growth, self-serve and adoption/awareness of new technologies like GHAS, co-pilot amongst others.• Worked on establishing the connectivity between dotcom and GitHub Enterprise Server with GitHub Connect and helped developing the server statistics on GitHub Enterprise Server.• Released several versions of GitHub Enterprise Server withing the ghes-releases team.• Created and maintained the QA/Performance lab for GitHub Enterprise Server, using different virtualization platforms such ESXi, Xen Server, Hyper-V and Open stack (DevStack).• Maintenance of servers on our lab, troubleshooting OS issues, network issues, hardware issues etc.• Developed strategies to test GitHub Enterprise Server performance with different tools, like Gatling and capybara and developed scripts to take care of the testing.• Established QA tests for GitHub Enterprise Server.• Aiding in the creation of standardized metrics and processes to measure performance.• Assisting the CI/CD team with production issues, using tools such Jenkins, Janky and docker.• Comprehensive knowledge in asynchronous communication, amongst co-workers located around the world.• Participating on the on-call rotation for different groups.• Became a leader in GitHub on the Enterprise Resource Group/Community of Belonging for the Latinx community, coordinating events, helping members and helping making GitHub a place where everybody is united and welcomed.

• Managed a heterogeneous environment composed on physical servers, virtual machines running on VMWare and Xen hypervisors.• Administrated NetApp storage system.• Analyzed and troubleshooted issues to get to the root causes for day-to-day problems, and proactively find any potential issues that can be prevented to ensure a seamless customer experience, so they can enjoy a 24x7 music streaming service. • Configured/monitored and analyzed data captured by our monitoring software (Nagios/Zabbix) and propose changes given on the analysis.• Created chef recipes and push them up on the different environments that make configuration and management, easy for the day-to-day operations of Rhapsody, from dev, load, into to production systems.• Collaborated with developers on software deployments on a multi-tier system.• Helped the group on this ever-changing music streaming service, to keep with all the software changes and the constant increase of users, to provide the best service in the music streaming world.• Use of load balancing technologies (using Netscaler)world.* Use of load balancing technologies (using Netscaler)

• Lead the standardization effort for a deployment environment for Newbay, helping the company to deploy products in a standard environment across all the operators/platforms.• Lead the deployments from testing environment, staging and production environments and supporting them in production before the handover to the support team.• Worked with technologies that include Zookeeper, Memcached, Tomcat, Apache, transcoding software among others.• Java DB connection strings to Oracle and MySQL Databases (JDBC/ODBC)• Collaborated in the design of the network to allow us to integrate our products with the telco’s or with 3rd parties.• Lead the effort for a standardized install the OS across multiple machines, using Xen.• Experience with F5 load balancers (HTTP/HTTPS)• Red Hat Linux 5.x/6.x, Centos 5.x/6.x • Automated OS/software deployment.• Puppet/Chef automated configuration tools.• Multiple storage technologies such FC,FCoE,iSCSI,NFS/CIFS,RAID on NetApp and Isolon systems, plus standalone RAID controllers on servers and blade servers.• UCS.• Familiar with programming languages like ruby/perl/python /bash.• MySQL and NoSQL (Hadoop/Cassandra /solr).• Caching technologies: memcache.

• Validation and qualification of prototype hardware with Linux.• Security position for assessment of threats, development of patches and deployment for more than 38,000 compute servers.• Ramped up IT Infrastructure for a foreign site (Cordoba, Argentina.).• Administrated the local Linux infrastructure (Intel Guadalajara).• Use of virtual machines using VMware ESX and took them into production in a real-world environment.• Created the Validation laboratory for prototype hardware at Intel Guadalajara.• TCP/IP networking.• Programming languages like C/Perl/python / bash• Unix system internals proficiency in memory analysis and management, file systems, performance analysis of systems and the OS.

•Delivered the Linux LPI course to participants from different industries (government and private).•Delivered Hacking Linux course.(including xploits, IDS, policies,DoS, DDoS, rootkits, network scanning, backdors, sniffers and related security issues)

•Administrated 150 Unix servers remotely.•Administrated Backup of servers using Veritas NB.•Security hardening of all the servers.•Coordinated all the efforts with the people in the foreign sites (US - Europe).•Had all the mission critical machines up and running, doing all the external support requests and coordinate them.

• Project management and software design.• Programmed systems using Linux, PHP and MySQL.• Created several VPNs for business in the region.• Administrated several machines (GNU/Linux), and configuration for Apache, postfix, samba, iptables, etc.• Installation support for México and Latin America of SuSE's Linux.

• Promoted the use of Linux at the University of Guadalajara.• Created a web site for Linux at the University of Guadalajara.• Organized a Linux congress at the University of Guadalajara.