- Senior Software Engineer at Proximal Data
- Lead Software Engineer at International Data Casting
San Diego State University, MS, Radiological Health Physics
November 2014 – Present(4 years 11 months)Greater San Diego Area
o Developed a flash based caching solution for ESXi based on VmWare’s VMIOF framework o Wrote a simulator in C++ to speed development and enhance testing of the caching plugin by simulating both the the virtual machine and the virtual disk in an ESXi system o Developed a Linux device mapper plugin and Windows filter driver that performed deduplication and compression to effectively enhance the storage capacity of flash devices o Architected and developed a scalable clustered object store which included data distribution and redundancy using key-value flash devices
December 2011 – October 2014(2 years 10 months)Greater San Diego Area
o Developed a flash based Virtual Machine storage caching system for ESXi and HyperV o Developed a Windows file system minifilter driver that acted as the front end to the caching solution. o Wrote ESXi hostprofile and esxcli plugins in Python. o Obtained certification for a Windows file system filter and PNP Device Drivers.
March 2000 – December 2011(11 years 9 months)Greater San Diego Area
o Worked with Sempra Energy to move its HR and payment systems from an older mainframe application to an SAP system. o Wrote software in Java to analyze and convert data records from COBOL based format into new format required for use in SAP system. o Used CORBA for reporting failures to central server. o Managed a SUN High Availability cluster.
o Worked on a Windows based network management system for Tiernan MPEG-2 encoders and decoders using Microsoft Foundation Classes and Visual Studio. o Wrote device drivers and control software in C for a Nucleus RTX based MPEG-2 encoder card. o Migrated encoder software to C++ and VxWorks. o Architected and implemented C++ software for modular MPEG-2 encoder product, including device drivers, system configuration, and monitoring and reporting components.
o Developed C++ software for compliance testing suite with Secure Electronic Payments (SET) electronic commerce protocol developed by Visa and MasterCard. o Wrote ASN.1 Distinguished Encoding Rules parser in Perl, and RSA and DES decryption software utilities to analyze protocol messages. o Worked with SET and digital certificate toolkit to implement hundreds of test cases.
o Worked on network security assessment tool for Department of Defense contract. o Researched and integrated existing exploitation tools into the assessment tool. o Created new tools in C, Bourne shell and Perl to implement known exploits. o Collected results of tools using Perl scripts and reported them to central database. o Worked as member of a team performing analysis on secure electronic commerce protocol developed by Microsoft and Visa (Secure Transactions Technology). o Wrote software to facilitate interoperability testing between vendor implementations of the STT protocol.
o Worked with Fortan code using the Monte Carlo method to simulate radiological dose to organs from internal sources in pregnant women. o Wrote software in C to analyze and display results of Monte Carlo simulation code.
San Diego State University
MS, Radiological Health Physics
1992 – 1994
BS Physics, BA, History
1986 – 1991
Skills & Expertise
- Device Drivers
- Software Design
- Embedded Software
- Object Oriented Design
- Embedded Systems
- Shell Scripting
- Operating Systems
- Software Development