Sean O'Brien
sean@ducttape.it
Work History
Yahoo! Inc. (2007 - current)
Software Engineer
- Served as technical lead for the Technology Metrics reporting team working with Oracle DBAs and Crystal Report developers to manage service level agreement (SLA) reporting for Yahoo! Search Marketing.
- Led development team with members located both locally and in Bangalore, India for a resource management application including head count and resource allocation tracking using Ruby on Rails.
- Developed internal tools using Ruby on Rails to audit Sarbanes-Oxley (SOX) compliance for Yahoo!
- Developed an internal tool using Ruby on Rails to maintain Security and Exchange Commission (SEC) reported corporate insider trading lists.
- Customized and maintained Yahoo! specific ruby packages for FreeBSD 4/6 and RedHat Enterprise Linux.Customized and maintained Yahoo! specific ruby packages for FreeBSD 4/6 and RedHat Enterprise Linux.
Petta Technology, Inc. (2005 - 2007)
Principal Consultant
- Served as technical lead of both pro ject and service teams at a large midwest insurance company.Served as technical lead of both project and service teams at a large midwest insurance company.
- Responsible for coordinating the technical implementation of a Learning Management System (LMS) upgrade to over 80,000 initial users.
- Worked closely with a variety of enterprise support groups including Windows and Network security, Oracle DBAs, and performance analysts to ensure vendor application compliance with rigorous testing procedures.
- Retained by the client to oversee the rollout of the LMS system to an additional 60,000 agents and staff across the US & Canada.
- Designed wireless barcode scanning solution for ClickAndPark.com to validate pre-paid parking for special events in use at the Super Bowl, Daytona International Speedway, and McCormick Place Chicago.
Streaming Media Hosting (2002 - 2005)
Systems Engineer
- Founded web hosting, media streaming, and managed services company in Newport Beach, CA.
- Responsible for all technical aspects of the organization including application design, technical support, network design, and system administration.
- Designed server provisioning system to automatically provision both Windows and Linux servers remotely by the support staff.
- Worked closely with vendors to price and secure telecommunications services including data center space, rack equipment, and bandwidth.
Reliable Hosting (2000 - 2002)
Linux & Windows Systems Administrator
- Served as the sole Windows administrator responsible for over 300 Windows machines configured for both web hosting and media streaming.
- Helped maintain over 1000 Linux and Windows servers in multiple data centers around the country.
- Responsible for hands on administration of the Los Angeles data center with over 400 Linux and Windows machines.
The Bike Company (1999 - 2000) Web Developer
Jel Productions (1999) Junior ColdFusion Developer
California.net (1995 - 1997) Web Developer & Support Technician
Skills
- Proficiency in software development in Ruby (Ruby on Rails), SQL, XHTML, CSS, Javascript, YAML
- Proficiency with a variety of operating-system platforms including Linux (Debian/Ubuntu, RedHat/CentOS, Gentoo, Slackware), FreeBSD, Mac OS X, and Microsoft Windows (NT/2000/2003/XP).
- Proficiency with a variety of applications including CVS, Subversion, Git, Capistrano, RAKE, RubyGems, Apache, Mongrel, memcached, nginx, nagios, mrtg, MySQL, SQLite, Asterisk, VMware Infrastructure (ESX), Microsoft SQL Server, Oracle, Microsoft Exchange, and others.
- Proficiency with networking components from Cisco (switches, routers, load balancers, firewalls) and Avaya.
- Familiarity with software development in C, Visual Basic, Pascal, Perl, Bash, Python, PHP, XML, XSL, AppleScript.
