Aaron Sierra
Owner at Bubbl-Tek LLC
Madison, Wisconsin, United States
Summary
👤
Senior🎓
Top SchoolAaron Sierra is an embedded systems specialist and entrepreneur with 16 years of experience designing digital hardware, FPGA firmware, and low-level software. As owner of Bubbl-Tek and former Principal Engineer at Extreme Engineering Solutions, he has spent the last decade-plus leading a small team to provide Linux, U-Boot, and iPXE support across a wide range of single-board computers and peripherals while serving as primary developer and debugger. He is fluent in C and Python, experienced across Freescale/NXP and Intel SoCs, and comfortable developing drivers for Linux, U-Boot, iPXE—and even Windows. Known for combining hardware-level insight with systems software pragmatism, he excels at resolving thorny hardware-software interaction bugs that others often miss. Based in Madison, Wisconsin, he pairs a BS in Computer Engineering from UW–Madison with deep hands-on expertise that bridges schematic, firmware, and OS-level concerns.
16 years of coding experience
17 years of employment as a software developer
BS Computer Engineering, BS Computer Engineering at University of Wisconsin-Madison
Github Skills (115)
firewall10
cffi10
wake-on-lan10
pfsense10
emulation10
netfilter10
qemu10
netmiko10
cisco10
py2exe10
py2app10
freeze10
package10
firewall-rules10
freebsd10
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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