Senior Embedded Firmware Engineer
United StatesJob Description
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Role Overview
We are looking for a Senior Embedded Firmware Engineer to design, develop, test, and maintain firmware for embedded systems built around modern microcontrollers. This role is primarily focused on low-level embedded firmware development, but also includes host-side tooling, CI pipeline support, hardware bring-up, and debugging across the hardware/software boundary.
The ideal candidate is a strong C developer with deep embedded systems experience, practical hardware debugging skills, and the ability to work comfortably from schematic review through firmware implementation, automated testing, and production support.
NOTE: Candidate must reside in The United States or Canada.
What You'll Do
- Design, implement, test, and maintain embedded firmware for ARM Cortex-M microcontroller-based systems, including low-level drivers, board support packages, application firmware, and debugging workflows.
- Debug firmware and hardware issues using SWD/JTAG, oscilloscopes, logic analyzers, protocol analyzers, and other lab equipment.
- Develop Python-based host tools for device control, diagnostics, manufacturing test, automation, and data collection.
- Bring up hardware, automated testing setups, and CI/CD pipelines.
- Debug and resolve lab, manufacturing, and field issues.
- Participate in architecture development, design/code reviews, and doc writing.
What We're Looking For
- Strong professional experience developing embedded firmware in C for microcontroller-based systems, particularly ARM Cortex-M devices.
- Proficiency with Python for host-side tooling, automation, diagnostics, testing, or firmware update workflows.
- Comfortable working in a Linux development environment, including command-line tools, build systems, device interfaces, and debugging workflows.
- Proficiency with git, multi-repository workflows, and CI/CD pipelines.
- Comfort at the hardware/software boundary (reading schematics, using lab equipment, and debugging integration issues).
- Strong communication and documentation skills, including clear text-based communication for a remote workforce.
- At least five years experience in a similar role, along with a background in EE, CS, or related technical field.
Nice To Have
- Prior work with embedded protocols, especially USB, USB-PD, UART, I2C, and SPI.
- Experience developing USB device firmware (descriptors, enumeration, CDC, DFU, HID, or vendor-specific interfaces).
- Experience with hardware-in-the-loop testing, manufacturing test systems, or production diagnostics.
- Experience with CMake, Make, GCC/Clang, linker scripts, static analysis, unit testing, integration testing, or pytest.
- Prior experience with Raspberry Pi RP2040 and RP2350 MCUs.
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Magnet Forensics
View Company ProfileMagnet Forensics (operating under magnetforensics.com) is a global leader in the development of digital forensics and incident response (DFIR) software used to acquire, analyze, manage, and report on digital evidence. Founded in 2011 by Jad Saliba, a former digital forensics examiner and police officer who sought to build advanced tools to uncover critical proof from the mounting influx of smartphone, computer, IoT, and cloud data, the company has grown into an industry standard. Led by CEO Adam Belsher, Magnet Forensics transitioned from a successful public listing on the Toronto Stock Exchange to a massive $1.8 billion take-private merger orchestrated by tech-focused private equity firm Thoma Bravo in 2023, which combined Magnet Forensics with mobile extraction pioneer Grayshift. The enterprise's flagship platform, Magnet AXIOM, alongside innovative solutions like Magnet ONE, enables over 6,000 public safety agencies, federal departments (including the FBI and DHS), military divisions, and Fortune 500 corporate security teams across 100+ countries to accelerate investigations, combat cybercrime, and protect critical assets. By streamlining end-to-end evidence chains and utilizing cloud-native, AI-assisted triage capabilities, Magnet Forensics empowers investigative teams to reliably capture deleted files, parse application history, and navigate complex encrypted landscapes to unlock the truth and safeguard communities.
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