Experience

Numerica Corporation
• United States
• Defense and Space Manufacturing
• 1 - 100 Employee
• Principal Engineer

  • Feb 2019 - Present


General Dynamics Mission Systems

• 1 - 100 Employee

• Sr. Principal Systems Engineer

  • Aug 2012 - Feb 2019

  Performed requirements development, architecture selection, system design, and algorithm development of signal intelligence (SIGINT), electronic warfare (EW), and advanced communications systems. Examples include: • System architecture/design and algorithm development on wideband signal search, identification, and tracking system in a combined FPGA and CPU/GPU architecture • Technical lead for a direction finding (DF) system in a combined FPGA and CPU/GPU architecture • Algorithm design and testing for signal recognition SW to identify analog and digital signal modulation types and operational parameters • Designed digital down conversion (DDC) schemes targeted for FPGA and GPU architectures • Assisted with transition of algorithm models to VHDL and C++/CUDA implementations Supported integration testing and performance analysis of advanced RF systems. Examples include: • Developed high fidelity (I/Q level) signal generation and bit perfect MATLAB models to support design and system performance characterization • Created constant false alarm rate (CFAR) detector processing model to characterize probability of detect and probability of false alarm performance • Built team-wide test tools which reduce data analysis time and streamline requirements verification Regularly communicate with customers and across internal project teams to establish requirements and ensure system interfaces are well defined Show less



Leidos

• United States
• IT Services and IT Consulting
• 700 & Above Employee

• Sr. Research Engineer

  • Aug 2006 - Aug 2012

  Designed and analyzed the performance of advanced radar system algorithms, with an emphasis on interference mitigation. Examples include: • Developed high fidelity (I/Q level) radar system and environmental models, including waveform generation, phased array antennas, full polarization signal scattering and multipath, as well as analog and digital receiver chain processing • Performed advanced radar waveform research and analysis, including stepped frequency, complementary codes, frequency hopping, and spread spectrum • Designed and analyzed radar interference mitigation algorithms, including space-time adaptive processing (STAP), adaptive beamforming, and super-resolution angle estimation techniques • Created automated testing tools to validate simulation models against collected flight and anechoic chamber data • Analyzed HW collected data for troubleshooting receiver hardware issues (non-linearity, inter-modulation effects, etc.) Provided quarterly technical briefings and wrote detailed technical reports to customers and industry Grew new business through writing technical proposals and white paper submissions Show less



Raytheon

• United States
• Defense and Space Manufacturing
• 700 & Above Employee

• Systems Engineer

  • Aug 2004 - Aug 2006

  Validated requirements of an airborne radar system in engineering and manufacturing development (EMD) phase • Performed analysis of I/Q data, including channel transmit/receive stability and phase noise performance Supported design verification tests (DVT) and acceptance test procedures (ATP) for the E2-Hawkeye radar digital receiver • Wrote data analysis routines to test channel-to-channel cancellation ratio (CR), filter passband ripple and stopband attenuation requirements, as well as one and two-tone tests for SFDR Designed and analyzed digital down-conversion (CIC and FIR) filters and adaptive channel equalization filters Developed an introductory MATLAB tutorial on adaptive array processing in radar simulations for new hires, including topics such as maximum likelihood angle of arrival, beamforming, interfering sources and nulling Show less



AMT Systems Engineering

• Embedded Systems Engineer

  • Apr 2000 - Sep 2003

  Performed embedded system SW development, hardware interface, and requirements testing. Examples include: • Microcontroller SW and controller board interface for Mart-Cart (electric grocery cart) • Digital hardware design in an Altera programmable logic device using Altera MaxPlus II and VHDL (used in an automatic screw machine project to provide a more efficient solution to the former all analog design) Performed embedded system SW development, hardware interface, and requirements testing. Examples include: • Microcontroller SW and controller board interface for Mart-Cart (electric grocery cart) • Digital hardware design in an Altera programmable logic device using Altera MaxPlus II and VHDL (used in an automatic screw machine project to provide a more efficient solution to the former all analog design)