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Allen Control Systems

Firmware Engineer

Mountain View, CA$120k–$230kfulltimemidAdded today

About this role

Allen Control Systems seeks an experienced Firmware Engineer to develop low-level embedded software for autonomous aircraft systems. You'll architect and implement time-critical firmware on STM32 platforms, manage sensor integration, design deployment strategies, and establish HIL testing infrastructure for fielded defense systems.

What you'll do

  • Design and implement time- and safety-critical embedded firmware architecture on STM32-based platforms
  • Develop drivers for sensors and peripherals; select appropriate communication protocols (CAN, I2C, UART, Ethernet)
  • Create bootloader designs and field deployment strategies including over-the-air update mechanisms
  • Build and maintain hardware-in-the-loop testing infrastructure for validation
  • Produce comprehensive design documentation capturing architectural decisions and tradeoffs
  • Evaluate and refactor existing firmware ecosystems based on project requirements

What they're looking for

  • C and C++ programming
  • Bare-metal and RTOS embedded architecture design
  • Embedded communication protocols (CAN, I2C, UART, Ethernet)
  • Bootloader design and firmware deployment
  • STM32 microcontroller development
  • Hardware-in-the-loop testing setup
  • Technical documentation and design rationale
  • Safety-critical systems (preferred)

Benefits

  • Competitive salary
  • Equity package
  • Health, dental, and vision insurance
  • Paid time off
  • Engineering-first culture focused on technical excellence
  • Impact-driven work on defense and autonomous systems
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Allen Control Systems

Allen Control Systems builds autonomous defense systems, including gun turrets and drone-defense technology, using computer vision, control systems, and robotics. The company is hiring across software engineering, mechanical engineering, testing, and operations roles to support product development and scaled production.

View all jobs at Allen Control Systems

Likely interview questions

  • Walk us through a time you had to choose between bare-metal and RTOS architecture—what factors drove your decision and how did you validate it?
  • Describe your experience designing bootloaders and over-the-air firmware update mechanisms; what challenges did you face in fielded deployments?
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