Experience

• 

  Cadam/dassault systèmes of america

  Jun 1985 - Dec 1994

  Port team leader

  Architected, designed and led technical development of portation to HP-UX of PROFESSIONAL CADAM (PCADAM), a major workstation CAD/CAM package written in C and FORTRAN.

• 

  Sentryl software corporation

  Jan 1995 - Mar 1999

  Asp/sql server developer

  Designed and implemented web-based interface to customer support systems using Microsoft IIS, Visual InterDev, Front Page and SQL Server products.

• 

  Infosys corporation

  Jul 1999 - Feb 2004

  Senior architect

  Led team of 5 developers in the design and implementation of the Toshiba America Business Solutions (TABS) FYI Dealer Portal using the WebLogic Application Server (6.1) and the WebLogic Personalization Server (3.5)

• 

  Digital insight

  Mar 2004 - Jul 2008

  • Built & deployed 1500 software packages in a 2 year period.• Analyzed deployment needs of applications to discover and externalize configuration parameters anddependencies.• Developed installation framework to standardize application installation. Reduced installation time by anaverage of 80%. Decreased application rollbacks due to installation issues by 95%. • Coded J2EE replacement subsystems for C++ CGI based online banking system.• Conducted code reviews.• Managed Oracle database instances• Analyzed intermodule dependencies to streamline application startup sequence. Resulted in a 85%reduction in startup time.

  • Senior SCM Engineer (Acquired by Intuit)

    Mar 2005 - Jul 2008

  • Senior Software Engineer (Acquired by Intuit)

    Mar 2004 - Mar 2005
• 

  Intuit

  Jul 2008 - Aug 2013

  • Designed and implemented iRule based application operation design for routing of HTTP Requests to multiple applications on the same financial instituation website.• Designed and implemented new operational frontend design for next generation banking websites. Migrated 1400 financial instituation to the new frontend. • Led team of 10 DevOps engineers supporting 80 offerings.• Co-led weekly technology learning sessions.

  • Staff Application Operations Engineer (Acquired by NCR)

    Aug 2012 - Aug 2013

  • Senior Devops Engineer (Acquired by NCR)

    Jul 2008 - Aug 2012
• 

  Ncr corporation

  Aug 2013 - now

  Staff application operations engineer

  Technical lead for a team of DevOps engineers in the operations application support for Digital Insight, a world leader in online banking technology with over 1,500 financial institutions.• Instituted review & change processes for all changes to LTM & GTM devices.• Authored data center application naming standards for all LTM, GTM & DNS resources.• Redesigned frontend LTM/GTM design to address scalability concerns. Using iRules & data groups,reduced resource consumption by 90% while increasing throughput by 60%.• Configured LTM/GTM connectivity in the new data centers.• Implemented VLAN restrictions to eliminate malicious connections.• Designed and implemented outbound SSLProxy to consolidate SSL implementations and leverage LTM hardware SSL acceleration. Consolidated client-side certificates previously embedded in multiple applications to a central location for monitoring, management & renewal. Permitted discrete control of SSL parameters on a per endpoint basis. Extended life of legacy applications that could not adapt to SSL changes by third party vendors.• Developed solution for certificate pinning used by mobile applications to eliminate potential outages (Patent Filed).• Architected and implemented SNI migration to permit name based hosting of HTTPS sites. Reduced IP address usage by 95%.• Extensive SSL decoding & debugging experience. Show less

• 

  Paypal

  Aug 2017 - now

  System administrator