Jul 2016 – Sep 2017 · 1 yr 2 mos · Scottsdale, AZ

Apr 2016 – Jul 2016 · 3 mos · Palo Alto, CA

Apr 2015 – Apr 2016 · 1 yr · Phoenix, AZ

Feb 2010 – Jan 2013 · 2 yrs 11 mos · Phoenix, AZ

• System administrator for ~450 Windows, Linux, AIX and appliances within the organization
• Solution provider for business operations throughout the 1,500 user enterprise
• Integration of our Linux/AIX system to our existing Active Directory LDAP infrastructure for
• security, user control and auditing.
• Along with existing UNIX/Linux duties, was responsible for Window server installation,
• compliance and patching
• Lead role in developing, installing, maintaining the current EMFT (Enterprise Management File
• Transfer) systems which absorbed all file transfers within the organization for the 2014 EHR
• Mandate. Systems included are a virtualized and clustered IBM B2B Sterling Integrator platform
• running on both Unix and Windows, file transfers scripted on Linux and Windows platforms.
• Requirements included tight file delivery SLAs, 7 year archival and storage, file tracking and
• reporting, Provider access via all protocols (FTP(S), SFTP, VPN, HTTPS, NDM, and dial-up)
• and user trading partner setup utilizing custom web applications.
• Rolled out iPhone/iPad devices with provisioning by BoxTone to the organization with
• enterprise file access and printing cloud services, VPN over SSL for remote access along with
• Citrix XenApp for desktop access.
• Built current Mac desktop deployment using Lion 10.7; requirements included AD integration,
• policy management (OS X Server for Open Directory and AdmitMac for AD), full disk encryption
• using FileVault 2 and roaming profiles.
• Foundry load balancer experience leveraging layer 4/7 routing

Jul 2007 – Feb 2010 · 2 yrs 7 mos · Phoenix, AZ

• Systems administrator for over 40 AIX and Linux physical machines
• User maintenance and troubleshooting
• Written large custom scalable Korn/Bash/Perl scripts for various system and business needs
• that include file movement, backups, application updates, deployments, security scans,
• notifications, failover heartbeats, data mining, data comparison, automated application start/
• shutdown, system checks, restarts, etc
• Driver installation and Kernel rebuilds for storage interfaces; RAID arrays, SAN/Fibre Channel
• Volume management leveraging NAS (DataDomain) and Samba for CIFS
• Hardware maintenance for System p/RS6000 and HP ProLiant systems
• LAMP (Linux, Apache, MySQL, PHP) setup and configuration for various applications
• Package management using RPM, yum, apt, YaST, RedHat update and AIX ML installs using

Jul 2006 – Jul 2007 · 1 yr · Phoenix, AZ

• Medical claim research
• EDI X12 specification changes including special edits for specific business requirements
• Backend system testing, claim workflow validations. Systems included custom clearinghouse
• and Vitria BusinessWare 3&4
• Claim tracking web application design and development. Application would track 834
• enrollment, 837 claims, 835 remittance and non-standard claims through the processing steps
• in Businessware. Application was written in Tomcat; I designed the user interface which
• leveraged AJAX and the DB web service connectors.
• Heavy SQL script utilization using sqlplus interrupter

Jun 1999 – Jul 2006 · 7 yrs 1 mo · Phoenix, AZ

• System Monitoring in a 24/7 environment
• Comprehensive System Backup Administration use NetBackup, Veritas and custom AIX scripts
• to tape
• Custom UNIX/Linux monitoring scripts with SMS notifications
• Big Brother administration
• Medical Claims Balancing, developed automated reconciling processes using Perl/PHP/Bash
• scripting
• Technical lead for a team of 6 people
• Paper claim printing on a large scale

Jan 2013 – Apr 2015 · 2 yrs 3 mos · Sunnyvale, CA

• Front End
• Engineer on Verticals team that manages serving for all Yahoo media properties including Home Page, Sports, Weather, Finance, Movies, etc.
• Systems support for enterprise applications and a server footprint in the thousands which includes operability and scalability
• Capacity management of hardware and VMs
• Support for outages, incident management, and postmortem remediation
• Developed in-house web tools (LAMP stack) to track alert generation to our NOC teams
• Build from the ground up monitoring for Yahoo Magazines using Yahoo's hosted monitoring tool (like Nagios) which includes alerting and NOC runbooks
• Set up job scheduling with Jenkins for build automation and other automated scripted job tasks
• Close support with developers with code reviews, fixes and deployments
• Wrote scripts to automate tasks and to support CI/CD
• Build custom PHP/YUI based reporting tool for ServiceNOW to display alert counts per property and OC response times.
• Back End
• Administered and managed traffic aggregation jobs on world’s largest Hadoop cluster
• SE lead on analytics product rollout within the company
• Managed scalability of the cluster, MapReduce job tuning, and job scheduling using Oozie
• Managed server retirements and new server procurement on a multi-thousand host scale
• Wrote script for automation using BASH and Perl
• Setup enterprise monitoring using Nagios and Yahoo hosted Nagios monitoring services for different application and services.
• Integrated alerts into NOC which included escalation processes and runbooks

Jan 1998 – Jan 1999 · 1 yr