Nov 2025 – Feb 2026 · 3 mos · Golden Valley, Minnesota, United States · Hybrid

• Firmware development for integrated furnace controller.

Sep 2024 – Jun 2025 · 9 mos · Appleton-Oshkosh-Neenah Area · Remote

• ◦ Responsible for implementing new features and maintenance of C code firmware running on
• NXP i.MX RT600 with Arm Cortex M33, including usage and utilization of FreeRTOS and
• Memfault SDK, for wearable sleep aide device.
• ◦ Debugged issues over JTAG and by use of log inspection.
• ◦ Authorized and updated software design documentation.
• ◦ Worked with colleagues to identify and resolve issues surfaced by Memfault core dump data.

Oct 2022 – Aug 2024 · 1 yr 10 mos · Appleton-Oshkosh-Neenah Area · Remote

• ◦ Updated C code proprietary protocol over UDP software (TI TMS570) to meet changing requirements supporting the BE-3U rocket engine program.
• ◦ Responsible for implementation of proprietary communication protocol running over UDP and development of related Python code tool used to interact with engine controller.
• ◦ Implemented main-loop tasks for real-time scheduling.
• ◦ Wrote Lua code packet dissector plugin for Wireshark.
• ◦ Participated in code and requirements reviews.

Jan 2021 – Oct 2022 · 1 yr 9 mos · Appleton-Oshkosh-Neenah Area · Remote

• ◦ Implemented C code drivers and middleware for dual processor, multi-board product (SiLabs EFR32—ARM Cortex-M33; TI MSP430): BLE, CapSense, events, ADC, I2C, PWM buzzer, RTC, UART, LED, and timers.
• ◦ Proof of concept for contactless RFID/BLE credentialing with LEGIC SM-6300 module.
• ◦ Wrote Python script to generate SHA244 hash.
• ◦ Participated in schematic reviews; identified combinational logic flaw; proposed multiplexed pulse generator circuit (approved) after contract manufacturer failed to resolve issue.
• ◦ Ported open-source libosdp stack to MSP430, bare metal platform.
• ◦ Authored multiple internal documents: design concepts, inter-bard communication protocol, and a project proposal slide deck for digest by executive management.
• ◦ Lead team meetings, such as morning sync-up, iteration planning, and review meetings.
• ◦ Conducted interviews of multiple candidates for various technical roles. Provided feedback to hiring managers regarding candidates’ suitability for applied roles.
• ◦ Investigated hardware design problems and proposed solutions.
• ◦ Researched and proposed alternative components and circuit designs to meet product requirements.

Feb 2020 – Jan 2021 · 11 mos · Appleton-Oshkosh-Neenah Area · Hybrid

• ◦ Added new and modified existing screens in C++ for JLTV display.
• ◦ Designed XML file describing J1939 CAN bus signals, and updated J1939 diagnostics handling.
• ◦ Functional team lead for ARi contractors at local client site: timesheet and PTO approvals and monthly 1-on-1 meetings.

Mar 2018 – Jan 2020 · 1 yr 10 mos · Raleigh-Durham-Chapel Hill Area · On-site

• ◦ Developed C code firmware for ARM Cortex-M devices, including custom linker scripts and bootloaders supporting field updates over serial (TTL UART) interface.
• ◦ Implemented embedded C device drivers for UART, I2C, ADC, DAC, and Flash including reusable middleware C modules.
• ◦ Proposed, designed, and implemented communication protocol to be used across all test fixtures.
• ◦ Updated BACnet and Modbus message handlers to support uniform cross-product messaging standard.

Oct 2017 – Dec 2017 · 2 mos · Greater Tucson Area · On-site

• ◦ Identified and fixed bugs in C++ firmware for STM32L4xx series ARM Cortex M4 microcontroller.
• ◦ Integrated new product application and Cube auto-generated driver firmware for use with custom LCD user interface. Updated LCD driver segment.
• ◦ Assisted in debugging of embedded C++ code base using IAR Embedded Workbench, I-jet Trace and ST-Link JTAG debuggers, and Perforce (PV4) version control management tool.

Oct 2016 – Sep 2017 · 11 mos · Raleigh-Durham-Chapel Hill Area · On-site

• ◦ Developed C code drivers for STM32F4xx series ARM Cortex M4 microcontroller.
• ◦ Rewrote power supply / battery manager driver to monitor voltage, current, and temperature sensors and take appropriate time-based action as fault conditions presented and cleared.
• ◦ Improved modular SPI driver to use loopback paths to ensure bi-directional message integrity.
• ◦ Updated ADC driver to detect sensor faults.

Aug 2016 – Sep 2016 · 1 mo · Washington D.C. Metro Area · On-site

• ◦ Implemented C++ class to parse ASCII-formatted data for machine-to-machine communication over a SCI/UART interface between an ORBCOMM platform and customer device.

Sep 2015 – Aug 2016 · 11 mos · Peoria, Illinois Area · On-site

• ◦ Developed Batch and Bash scripts for automating builds, release processes, and Git usage.

Jan 2015 – Sep 2015 · 8 mos · Peoria, Illinois, United States · On-site

• ◦ Developed ANSI C APIs for tools to support company’s automated quality assurance initiative.
• ◦ Spearheading effort to improve exception and error handling during code development.
• ◦ Lead team efforts to improve Git usage, repository organization, and overall understanding of Git.

Sep 2013 – Dec 2014 · 1 yr 3 mos · Greater Milwaukee Area · On-site

• ◦ Operated real estate investment company focused on flipping single-family homes in Milwaukee area.

Oct 2012 – Apr 2013 · 6 mos · Sussex, Wisconsin, United States · On-site

• ◦ Developed USB driver for MCF51JM128 (Freescale) in separate partition for use by boot and main code images.
• ◦ Modified existing code base to integrate new USB driver into OBD scanner firmware.
• ◦ Updated ELF linker command files, and implemented vector table, so that USB driver would reside in segregated portion of program memory, to be used by both boot code and main code.

Aug 2010 – Sep 2012 · 2 yrs 1 mo · Milwaukee, Wisconsin, United States · On-site

• ◦ Created USB-to-ZigBee network adapter for user interaction with building automation system.
• ◦ Implemented SPI and serial Flash drivers for rooftop controller unit and integrated them into the low-level Rowebots Unison strategy functions for an fsys file system.
• ◦ Developed C++ middleware to allow existing PC diagnostic applications to connect to the new ZigBee adapter utilizing dynamic DLL selection and runtime loading.
• ◦ Integrated serial boot loader into firmware image to be used for automated firmware updates.
• ◦ Refactored C# build tool for automated generation of XML files using Access SQL queries.
• ◦ Mentored junior engineers and responsible for overseeing the daily activities of an intern.

Aug 2009 – Aug 2010 · 1 yr · Waukesha, Wisconsin, United States · On-site

• ◦ Developed C code modular CAN bus driver that maintained cache for all data points of interest.
• ◦ Completed rewrite of a C language bootloader supporting RS-232 and CAN communications interfaces and respective C# PC loader tool. Reduced programming time by 75%.
• ◦ Designed, developed, tested (unit, bench, & system), and deployed UL certified, reusable I2T algorithm module. Eliminated need for floating point library, thereby reducing firmware image by 10KB.

Sep 2007 – Jul 2009 · 1 yr 10 mos · Cedarburg, Wisconsin, United States · On-site

• ◦ Developed C code firmware for various microcontroller platforms.
• ◦ Designed digital circuit and implemented firmware and drivers for Christmas Tree Safety System.
• ◦ Implemented C code for a wireless remote control for a portable radio for use in military applications.
• ◦ Wrote C code firmware for RS-485 to ZigBee adapter module for industrial thermostats.
• ◦ Updated AT90CAN CAN bus driver.
• ◦ Created spreadsheets showcasing theoretical battery lifetime for proposed designs. Characterized discharge curve for silver-oxide button cell battery.

Jul 2006 – Sep 2007 · 1 yr 2 mos · Milwaukee, Wisconsin, United States · On-site

• ◦ Liaison for overseas DO-178B Level C software verification for Boeing 777 and 787 Electronic Flight Bags.
• ◦ Worked with corresponding team in Russia to repeat their test results; required some reverse engineering of their processes due to incomplete documentation.
• ◦ Conducted code and documentation audits and reviews; recognized for high quality and detail.

Apr 2004 – Jun 2006 · 2 yrs 2 mos · Dallas, Texas, United States · On-site

• ◦ Assisted customers with hardware and software solutions built around MSP430 and TMS470 microcontrollers.
• ◦ Trained peers on MSP430, TMS470, and the Eclipse-based Code Composer Essentials.
• ◦ Drove the development of new internal processes for efficient communication between business units.