EXPERIENCE
Senior Software/Mechanical Engineer (4/09 – 6/14)
Vigilent Corporation, El Cerrito, California
• Founding team member of an energy efficiency startup specializing in HVAC control of data centers, collocation centers, and buildings using wireless sensors. Responsible for building up the engineering infrastructure of the core product.
• Co-developed patented multi-variable control algorithms for controlling heterogeneous cooling unit types in a contained room. Control actuators include On/Off, VFD (variable frequency drive), and TSP (temperature set point, return and discharge). Co-developed the AI engine used for model prediction and control, implemented in Python.
• Software designed and architected the control system for data center and building applications using state machines. Integrated the control application with supporting modules (Firebird DB, Bacnet/DUST wireless protocols).
• Designed and implemented thermal simulators of data center and buildings using MATLAB. The simulators were either pure software simulation or hardware in the loop and used for developing control system (closed feedback) prototypes and for testing/QA purposes.
• Co-developed web-based interface for dashboard/monitoring/trending system. Developed interactive thermal floor plan and cooling influence maps as well as a sophisticated plotting application for data trending.
• Performed commissioning and on-site software installation at various data center sites. Instrumental in providing support and demonstrating energy savings at pilot sites to first customers such as NTT and Verizon which ultimately led to future multi-million dollar deals.
Web Developer (2/09 – 3/09)
Manifest Web Design, Beaverton, Oregon
• Co-developed web based shopping carts and home inspection management for local companies.
Senior Software Engineer (6/01 – 12/08)
Intel Corporation, Hillsboro, Oregon
• Knowledge of lithography principles: resolution enhancement techniques image and resist modeling, and calibration/correction. Responsible for calibration infrastructure performance improvements (speed/memory) and GUI development of OPC tool (e.g., plotting feature, hierarchical viewer).
• Expertise in timing concepts used in VLSI chip design. Includes knowledge of concepts in circuit simulation, device modeling, static timing analysis, repeater placement, and parasitic extraction. Fluent in optimization and computation geometry algorithms.
• Provided on-site support, training and implementation of Performance Verification (PV) features and flows in various design team methodologies for next generation single/multi-core chip design. Includes repeater planning (auto and manual), collateral generation (e.g., timing reports), optimal delay calculator, driver sizing, and what-if type simulation flows.
• Co-development and software architecting of PV module integration and data visualization for full chip layout CAD tool. Developed infrastructure for seamless integration of parasitic estimation/extraction engine, AWE delay calculator, repeater placement engine, and timing data repository for what-if analysis and early planning.
• Key member on teams responsible for build management, test automation and creation, and code quality (e.g., code reviews, code coverage reporting, daily regression reporting).
Mechanical Engineer (9/95 - 11/98)
Color Printer and Imaging Division, Tektronix, Inc., Wilsonville, Oregon
• Responsible for manufacturing reliability/failure analysis for current and next generation solid ink print head technology. Developed and built fixtures for reliability and test prototypes. Implemented a data acquisition system for filtration testing fixture using C/C++.
• Supervised several technicians in the execution of test plans and fixture maintenance. Provided consultation of thermal/fluid systems analysis to peers.
• Performed optimization of print head design parameters using DOE and Shainin problem solving techniques. Includes improving head maintenance performance, ink filtration, print quality, and jet performance.
• New print head architecture prototype design and development using Pro/E or CadKey CAD software.
• Developed software for test automation using Visual Basic/Postscript. This includes macros for data processing and jet image printing.
• Integ...
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