Ron Echeverri
1460 Luning Dr
San José, CA 95118
<rone@ennui.org>
I am not currently seeking employment. Thank you for your interest.
A full-time position in senior UNIX systems administration
OS: Linux, CentOS, Red Hat, Ubuntu; Solaris, SunOS; Automated software installation: Kickstart, Jumpstart; Monitoring: GroundWork, nagios, Nimsoft; Name service: DNS, BIND; Email: Postfix, sendmail; Load balancers: F5, Citrix NetScaler; Java application servers: Resin, Tomcat; Network: Cisco, Foundry, Juniper; Scripting: Bourne shell, perl; Databases: MySQL, Oracle; Other notable software: Apache httpd, JIRA, Perforce
October 2009 to present
Senior Systems Administrator
- Administration of every production environment, including deployment of new production code
- Improvement of deployment procedures, including scripting and documentation
- Part of the project to move to the new Nimsoft monitoring package
October 2008 to June 2009
Senior Systems Administrator
- Complete administration of the File Transfer Fabric environment, including automation (kickstart, RPM, Bourne shell scripts) and documentation
- One of the principals in data center move and infrastructure upgrade project (doubling the amount of production servers, redesigning namespace, defining new VLAN roles and separation)
- Monitoring setup and administration (GroundWork)
- Postmaster and hostmaster duties (postfix and BIND)
- Cisco switch administration (Cisco 3750)
February 2008 to September 2008
Lead Systems Administrator
- Project lead for new QA environment (CentOS 5.1 on IBM hardware)
- General cleanup and streamlining of systems infrastructure
- Part of the colocation cage migration project
- Training of junior sysadmin
- Delineation, implementation, and documentation of procedures
June 2006 to October 2007
Senior Systems Administrator
- Major participant in building a new data center for version 3.0 of the Visible Path application platform.
- Traveled to Bangalore office to set up network and system devices
- Hardware and OS deployment and maintenance for 30 hosts running Solaris 10 (SPARC and x86_64) and 20 hosts running SuSE Linux 9 and 10
- Administered Foundry BigIron RX-8 core switches; Juniper SSG 550, NetScreen-25, and NetScreen-50 firewalls; F5 BigIP 1500 and 1000 load balancers, WANJet traffic accelerator; Digi CM console servers
- Administered Caucho Resin Professional as the container for the platform application
- Oracle database administration via SQL*Plus
- Administered Perforce and JIRA servers
- Set up MediaWiki for documentation of operations procedures, and created a significant amount of documents within the wiki
- System monitoring using Sitescope
- Bourne shell scripting for task automation
January 2000 to February 2006
Senior Systems Administrator
- Participated in hot cutover in public-facing Web farm, online store, and financial systems between colocation facilities.
- Hardware and OS deployment and maintenance for 150 Sun hosts, running Solaris 2.6, 8, 9, and 10, and 200 HP hosts, running Red Hat Enterprise Linux 3 and Windows 2000 and 2003
- Administered F5 BIG-IP load balancer
- Set up Veritas Cluster installation
- Automated deployment of new servers via Jumpstart (Solaris) and Kickstart (Red Hat Linux)
- Installation and maintenance of third-party software packages (GNU tools, INN, Apache, jakarta-tomcat, MySQL, JDK)
- LDAP integration of Microsoft Active Directory on Linux and Solaris hosts via Centrify DirectControl
- Postmaster duties (sendmail 8.x), 2000-2003
- Hostmaster duties (BIND 8.x, 9.x), 2000-2004
- Automation via Bourne shell scripts
- Responsible for documentation of processes and training of junior sysadmins
March 1999 to November 1999
Systems Administration
- Postmaster duties (Sendmail 8.9.x)
- Hardware maintenance, installation, and upgrading (Solaris 2.6 on SPARC and x86 architectures, FreeBSD 3.x, Alteon ACE 180 gigabit Ethernet switch, MTI RAID storage arrays, Veritas VxFS filesystem)
- Security duties (TCP wrappers, ssh, tripwire)
- Web server maintenance (Apache + mod_ssl 1.3.9)
- Hostmaster duties (BIND 8.x)
- Bourne shell scripting
- Primary contact for colocated facilities (at above.net)