53 firmware engineer jobs at 35 companies in Castaic, CA
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Firmware Engineer
El Segundo, California, United States
$101k-$126k/yr OnsiteFull Time
2+ YOEDevelop and maintain microcontroller and embedded Linux firmware for DC fast chargers; support CI/CD, testing, and system troubleshooting. Typically requires a bachelor’s degree and ~2 years related experience.
Embedded Linux, Google Test, Make, CMake, GitLab, Jenkins, Circle CI, JAMA, Jira, Python, Open Charge Point Protocol (OCPP), PCI-DSS, oscilloscope, logic analyzer, JTAG debugger, multimeter
3w
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Senior Firmware Engineer
Los Angeles, California, United States
$150k-$185k/yr OnsiteFull Time
Antares: Designing and manufacturing microreactors for defense and space missions.
5+ YOEBachelor's in computer or related engineering, 5+ years firmware experience for hardware-integrated or safety-critical systems, proficiency in C/C++/Python/Rust, hardware bring-up and debugging, strong communication.
C, C++, Python, Rust, SPI, I2C, UART, CAN, Ethernet, RS-485, RTOS, Oscilloscopes, Logic Analyzers, Multimeters, Power Supplies, Hardware-in-the-Loop, bootloaders, device drivers, continuous integration
2w
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Firmware Engineer - Flight Software
Torrance, California, United States
$146k-$204k/yr OnsiteFull Time
Strong embedded C experience on resource-constrained microcontrollers, flight-stack experience (PX4/Betaflight), flight-control fundamentals, hardware-coupled debugging, test discipline for safety-relevant firmware.
Betaflight, PX4, C, MAVLink, uORB, EKF2, QGroundControl
1mo
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Firmware Engineer
Torrance, California, United States
$120k-$140k/yr OnsiteFull Time
2+ YOEU.S. citizen or permanent resident; 2+ years embedded C experience; RTOS experience; familiarity with SPI, I2C, CAN, UART, Ethernet, BiSS-C; oscilloscope/logic analyzer and JTAG/SWD debugger experience; schematic reading.
C, STM32, ThreadX, FreeRTOS, Zephyr, SPI, I2C, CAN, UART, Ethernet, BiSS-C, Oscilloscope, logic analyzer, JTAG, SWD, J-Link, Lauterbach, Ozone
1d
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Firmware Engineer
Blue Bell or Plymouth Meeting or Los Angeles or Philadelphia
OnsiteFull Time
Bachelor's degree or equivalent practical experience; basic C/C++, Linux, networking, scripting, Git, and embedded systems fundamentals; strong problem-solving, communication, and learning skills.
C, C++, Linux, JSON, Wi-Fi, Z-Wave, Bluetooth, BLE, Zigbee, DECT/ULE, UART, SPI, I2C, USB, Git, Jenkins, Shell, Python, Buildroot, Yocto, U-Boot, Protocol Buffers, GitHub Actions, Java, RTOS
3mo
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Edge Hardware / Firmware Engineer
Los Angeles, California, United States
OnsiteFull Time
4+ YOEBS in EE/CE (MS preferred), 4+ years mixed‑signal hardware and firmware bring‑up, experience with image‑sensor interfaces, CUDA/TensorRT on GPU SoMs, Rust/Python firmware, PCB/layout tools, and U.S. Person status required.
NVIDIA Jetson/Orin, CUDA, TensorRT, Rust, Python, Altium, Cadence, KiCad, protobufs, Claude Code, Codex, OpenCode, Kilo, LVDS, MIPI CSI-2, CameraLink, SLVS-EC, SerDes, BERT, scope, logic analyzer, thermal imaging, rework iron
2mo
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Firmware QA Engineer (Embedded Test Engineer)
Westlake Village, California, United States
$100k-$120k/yr OnsiteFull Time
Experience validating embedded firmware on hardware, manual regression and ship testing, reproducing and triaging device issues, scripting in Python/shell, and collaborating across firmware, hardware, backend, and operations.
Python, shell, bash
3mo
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Firmware/Embedded Software Engineer
Los Angeles, California, United States
$130k-$190k/yr OnsiteFull Time
3+ YOE3+ years embedded firmware/C/C++, Python; Linux admin; CAN/Ethernet/I2C/SPI; safety-critical software.
C, C++, Python, Linux, BASH, HTML, GUI, CAN Bus, Ethernet, I2C, SPI
1w
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Senior Firmware Test Engineer
Culver City or San Mateo
$130k-$160k/yr OnsiteFull Time
7+ YOE3+ MgmtBachelor’s degree in a technical field and 7+ years of firmware, embedded systems, or validation experience, including 3+ years in a lead or principal capacity. Requires Python, C/C++, RTOS, HIL, electronics, and communication protocol expertise.
Python, C, C++, RTOS, Oscilloscopes, Logic Analyzers, Digital Multimeters, UART, SPI, I2C, TCP/IP, RS-485, Ethernet/IP, BLE, NFC, UWB, TLS, X.509
2d
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Firmware Engineer, C++
El Segundo, California, United States
$131k-$184k/yr OnsiteFull Time
3+ YOEBachelor's degree or equivalent technical experience; 3+ years developing spacecraft or safety-critical software; real-time embedded systems experience; and C++ development expertise.
C++, Python, Rust, RTOS, Linux
1mo
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Firmware Engineer
El Segundo or Los Angeles or Washington or San Francisco or Seattle or London
$160k-$225k/yr OnsiteFull Time
5+ YOEBachelor's in CE/EE/CS, 5+ years FPGA RTL design experience, Verilog/SystemVerilog, AXI protocols, Vivado/SoC FPGAs, TCP/UDP/IP and serial protocols, Bash/Python scripting; U.S. Person required.
Verilog, SystemVerilog, Vivado Design Suite, Simulink, MATLAB, C, C++, SystemC, Chisel, VHDL, Bash, Python, git, Bitbucket CI, Jenkins
2mo
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Senior Staff Firmware Engineer - design, verification, and, validation, integration of high speed optical components.
Westlake Village, California, United States
$133k-$196k/yr OnsiteFull Time
3+ YOEDesign, verify, and validate firmware for embedded high-speed optical components; collaborate across HW/SW; travel 20%.
C, Python, RTOS, Embedded, Git, JTAG, Oscilloscope, Logic Analyzer, SPI, I2C, MDIO, UART
2mo
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Sr Software Engineer - BIOS, AWS Hardware Engineering, Firmware Development
Cupertino or Los Angeles County or Taiwan
$193k-$262k/yr OnsiteFull Time
5+ YOE5+ years professional software development and systems design experience; expertise in UEFI/BIOS and low-level system programming for x86 and ARM64; secure boot, firmware debugging (ITP, ScanTool, JTAG); leadership/mentoring experience.
ITP, ScanTool, JTAG, UEFI, BIOS
3w
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Embedded Software Engineer or Firmware Engineer
Valencia, California, United States
HybridContract
5+ YOE5+ years experience (varies by degree), expertise in C/C++ and Python, regulated-industry experience, technical leadership and strong communication skills.
C, C++, Python
3w
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Research Engineer (Engineer I) - UAS Hardware & Software
Hawthorne, California, United States
$75k-$85k/yr OnsiteFull Time
BSc in engineering, strong C/C++ and/or Python skills, hands-on UAS hardware experience, MATLAB/Simulink familiarity, autopilot firmware and MAVLink knowledge, aerospace industry experience.
C/C++, Python, MATLAB/Simulink, ArduPilot, PX4, MAVLink, HIL, SIL
1mo
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Staff Application Engineer
San Jose or El Segundo
$116k-$184k/yr HybridFull Time
4+ YOEMS in EE +4 yrs or BS in EE +6 yrs in digital control and firmware design for power converters; strong knowledge of ARM/DSPs; proficient in C, C++, Assembly, Python; experience with firmware for AC/DC and DC/DC converters; strong communication.
ARM, DSP, C, C++, Assembly, Python
2w
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Senior Avionics Engineer - L3
Pasadena, California, United States
$128k-$157k/yr OnsiteFull Time
5+ YOEB.S. in Electrical Engineering (or M.S.),5+ years developing avionics/embedded or high-reliability electronics,experience with board bring-up,lab debugging,hardware integration,firmware collaboration and hardware verification techniques.
FPGAs, System-on-Module (SoM), Ethernet, CAN, SPI, I²C, UART, SpaceWire, PCIe, USB, TVAC, EMC, programmable loads, battery emulator, solar simulator
1mo
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Electrical Engineer
Redmond or El Segundo
$100k-$200k/yr OnsiteFull Time
3+ YOEBachelor's degree or equivalent,3+ years applied EE experience,ECAD and firmware/HDL experience,simulation and testing skills,strong technical communication.
Altium Designer, KiCad, Cadence, PADS, EAGLE, C, C++, Verilog HDL, Python, MATLAB, LTSpice, ARM Cortex-M, STM32, NXP S32K, TI TMS570, Lattice, Xilinx, CI/CD
4d
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Electrical Engineer (New Grad December 2026)
Los Angeles or El Segundo or Hawthorne
$110k-$125k/yr OnsiteFull Time
Bachelor's degree in electrical or computer engineering from an ABET-accredited institution, hands-on electrical experience through internships or engineering clubs, and strong electrical engineering fundamentals.
PCB, FPGA, firmware
1mo
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Senior FPGA Engineer I/II
Pasadena, California, United States
$143k-$239k/yr OnsiteFull Time
5+ YOEBachelor's in computer or electrical engineering, 5+ years FPGA/Verilog firmware design experience, motor control and DSP experience, FPGA verification/validation, lab debugging, and ability to develop IP from concept.
FPGA, Verilog, Altium Designer, Librero, Simulink, C, Python, MATLAB
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