Engineer Project
Resume:
ERIC BALSA
Santa Cruz, CA 95062
****@*********.*** / *****@******.***
http://www.ericbalsa.com
EDUCATION
University of Arizona Tucson, AZ
Bachelor of Science, Computer Engineering, Dec. 1999
EXPERIENCE
OPENLANE, Inc Redwood City, CA
CTO, RDN Services Feb 2009 present
Lead team of 8 developers to design & implement the next generation LAMP-based SaaS repossession
software platform
Technical lead for a highly profitable web application used by thousands of subscribers daily
Team lead for all software & database development using PHP 5.3 and MySQL
Project planning and developer resource allocation
Application & network security design
Securely interface with the largest financial institutions in the United States
Adopted agile project management practices within the team
Pass and maintain certification for multiple security assessments by leading financial institutions
[GLBA and SOX compliance]
Responsible for BCP/DR site preparedness
Amazon S3 integration
Apache Software Foundation
Contributor, Apache Traffic Server Apr 2010-present
Contribute to the Apache Traffic Server open source project.
Yahoo!, Inc Sunnyvale, CA
Senior Software Engineer, Cloud Computing Group Sept 2007 Feb 2009
Extend and maintain Traffic Server, a multithreaded, fast, scalable and extensible HTTP/1.1 compliant
caching proxy server serving an aggregate of 14 billion HTTP requests/day worldwide for Yahoo! Deep
protocol level knowledge of HTTP & HTTPS. Developed various core Yahoo! Apache modules. Lead
security architecture reviews for the Cloud Computing Group.
C/C++/high performance networking
Yahoo! Paranoid for the Cloud Computing Group
Application & network security reviews for new Yahoo! services
Added DNS SRV support to Traffic Server [RFC 2782] in support of Yahoo! s global CDN/global
server load balancing push
Global content delivery network architecture
-Eric Balsa-
Recovery Database Network, Inc (RDN) Tucson, AZ/Reno, NV
Owner Dec 2003 Sept 2007
Designed and developed the first SaaS web application for the repossession industry. Executed and
passed multiple security audits by the largest lending institutions in the US. Built out and scaled RDN for
a 100-fold increase in revenue
PHP4&5/MySQL software design
MySQL schema design
Application & network security
Gramm, Leach, Bliley compliance for NPPI [non-public personal information]
Onewest.net, Regional ISP Jackson, WY
Unix System Administrator Dec 2002 Jun 2003
Develop, manage and implement project plans for new product offerings and service upgrades. Resolved
customer trouble tickets that were escalated from the subscriber support department. Maintain
SMTP/POP3/RADIUS/LDAP and other Unix services for 20,000 ISP subscribers
Linux server administration
Custom perl scripting
Network support
Activebuddy, Inc [acquired by Microsoft] Sunnyvale, CA
Network Operations Jan 2001 Dec 2002
Responsible for ~150 Linux servers running multiple UNIX services in various internal and external
networks within Activebuddy's hosting & development network
Linux system administration
Setup & secured RSA securid server providing 2 factor SSO for the network
Network intrusion detection using Snort
Custom PAM module
Sendmail & DNS maintenance
SCO, Inc Santa Cruz, CA
TEAM Account Manager Jan 2000 Dec 2000
Provided 3rd tier technical UNIX support for all of SCO s UNIX operating systems primarily to Fortune
500 accounts. Held weekly conference calls and took a proactive approach to providing the best possible
support for large customer installs
Gained extensive UNIX/Linux troubleshooting and system administration knowledge.
Published 12 technical articles for use on the SCO website
Promoted to TEAM Engineer after 10 months
TECHNICAL EXPERTISE
Expert: Linux, Apache administration, MySQL (schema design & administration), PHP 5, SQL, web
application security (CSRF, XSS vectors and canvas), the HTTP protocol, shared-nothing architectures,
SaaS, RESTful webservices, secure network design, high-availability databases, DNS (bind), Juniper
firewalls, the SMTP protocol, F5 load balancers, exim, JSON, SOAP, XML, content delivery networks
(CDN), HTTP caching, layer 7 routing, global server load balancing
Strong: C/C++, gdb, network programming, Apache modules and the Apache state machine, SSH/SSL,
Apache Portable Runtime (apr), coverity static code analysis, valgrind & (k)cachegrind, perl, pthreads,
virtualization (xen), distributed systems, memcached, nagios monitoring, MRTG
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