Aaron Sierra
Owner at Bubbl-Tek LLC
Madison, Wisconsin, United States
Summary
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SeniorAaron Sierra is a seasoned embedded systems engineer and founder who combines hands-on hardware design, FPGA firmware, and Linux-based software with leadership in small-team delivery. With 15 years of experience, he currently leads Bubbl-Tek LLC (since 2023) after a long tenure as Principal Engineer at Extreme Engineering Solutions, where he built and guided Linux support for a broad range of single-board computers and peripherals. He is the primary developer for those efforts, spanning Linux, U-Boot, and iPXE driver development, as well as Windows drivers, across Freescale/NXP and Intel SoCs. His core languages are C and Python, and he excels at system-level debugging—bridging hardware and software debug across the full embedded stack. Based in Madison, Wisconsin, he thrives in cross-team collaborations, turning complex hardware requirements into robust, maintainable software solutions. He has a rare ability to align multiple vendor platforms and open-source tooling to deliver cohesive embedded Linux projects.
16 years of coding experience
17 years of employment as a software developer
Github Skills (123)
python210
firewall10
python-310
cffi10
wake-on-lan10
pfsense10
emulation10
netfilter10
qemu10
netmiko10
python-210
cisco10
py2exe10
py2app10
freeze10
Programming languages (7)
Github contributions (5)
aaron-sierra/iotools
Apr 2021 - Feb 2025
Automatically exported from code.google.com/p/iotools
Contributions:10 pushes, 8 branches, 1 tag in 3 years 10 months
iobroker
aaron-sierra/pfsense
Dec 2023 - Mar 2025
Main repository for pfSense
Contributions:6 pushes, 1 branch in 1 year 3 months
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