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Principal Firmware Engineer

Job in San Jose, Santa Clara County, California, 95199, USA
Listing for: Green Key Resources
Full Time position
Listed on 2026-07-08
Job specializations:
  • Software Development
    Embedded Systems/ Firmware/ IoT, Embedded Software Engineer, Robotics, Unix/Linux
Salary/Wage Range or Industry Benchmark: 120000 - 150000 USD Yearly USD 120000.00 150000.00 YEAR
Job Description & How to Apply Below

We’re seeking a Principal Firmware Engineer to join our defense technology team developing mission‑critical, autonomous systems. In this role, you’ll lead the design and implementation of real‑time embedded software and electronics for advanced autonomous platforms deployed in the most demanding defense environments.

What You’ll Do
  • Build Real‑Time Embedded Software Develop high‑reliability C++ code for real‑time, safety‑critical applications in autonomous defense systems.
  • Design Mission‑Ready Hardware Systems Interpret IC datasheets and create detailed schematics for embedded controllers, power systems, and sensor interfaces.
  • Test in Real‑World Environments Conduct rigorous lab and field testing, debug embedded systems under dynamic conditions, and validate performance in line with military standards.
  • Document with Precision Maintain robust design documentation—block diagrams, schematics, pseudocode, simulation results, and test protocols.
  • Optimize for the Battlefield Continuously improve code efficiency and reduce power consumption on resource‑constrained hardware to meet mission needs.
What You Bring
  • 7+ years of experience in embedded systems and electrical design
  • Bachelor’s or Master’s in Electrical Engineering, Computer Science
    , or related field
  • Deep knowledge of microcontroller systems
    , motor control, and power electronics
  • Proficiency in C++ for embedded systems;
    Python for scripting/test automation
  • Experience integrating sensors, actuators, and control hardware in robotic or autonomous systems
  • Hands‑on testing and validation experience aligned with military or aerospace standards
Bonus If You Have
  • Experience with Embedded Linux, RTOS
    , and custom kernel builds
  • Familiarity with TCP/IP
    , UDP
    , and embedded communication protocols (CAN, UART, I2C)
  • Track record of optimizing low‑latency, high‑efficiency embedded systems for constrained environments
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