Axiado
semiconductor
StaffMCU/RTOSEngineer
Neural analysis suggests this role is
optimal for mid candidates.
“Staff MCU/RTOS Engineer at Axiado. Skills: MCU/RTOS, C programming, embedded security, firmware development. Lead the development of our core execution environment. Design and implement the real-time execution environment (e. g. , FreeRTOS, Zephyr, or custom kernels) to handle multi-threaded security tasks”
What You'll Achieve.
ensuring the RTOS is fast, stable, and hardened against common embedded vulnerabilities; ensuring that our silicon’s security features are fully leveraged by the software stack; enforce strict process isolation and prevent code execution in data regions; ensuring high throughput without compromising the security boundary; identify potential architectural weaknesses in the firmware; secure every node on the internet
Industry & Context.
hard problems
What They're Looking For.
Must Have
8+ years in MCU-level C programming (ARM Cortex-M, RISC-V, or similar), Deep understanding of context switching, interrupt handling, mutexes, and real-time scheduling, Foundational knowledge of Secure Boot, Chain of Trust, and Memory Isolation (MPU/MMU), Proficiency with JTAG/SWD, logic analyzers, and GDB for deep-system debugging, Practical experience with high-speed serial protocols and an understanding of how hardware-based crypto-accelerators interact with firmware
Nice to Have
Experience with NIST SP 800-193 (PFR) and OCP security standards, Familiarity with side-channel attack mitigations and fault injection protection, Previous experience in a "Tiger Team" environment preparing for major industry events
What You'll Do.
Lead the development of our core execution environment
Design and implement the real-time execution environment (e. g.
or custom kernels) to handle multi-threaded security tasks
Develop low-level drivers (DMA
Mailbox) with a focus on input validation and memory isolation to prevent buffer overflows or unauthorized access
Design and maintain the Memory Protection Unit (MPU) configurations to enforce strict process isolation and prevent code execution in data regions
Optimize the Inter-Processor Communication (IPC) between the MCU and the x86 HostMC
ensuring high throughput without compromising the security boundary
Apply "Secure Coding" practices (such as MISRA-C) and participate in threat modeling to identify potential architectural weaknesses in the firmware
How You'll Work.
Team & Collaboration
collaborate boldly
Full Job Description
Axiado is building the future of AI powered digital infrastructure. We are a fast-growing, well funded silicon, systems, and solutions company pioneering a new category of semiconductor called the Trusted Control/Compute Unit (TCU) that combines advanced hardware security, AI driven resilience and efficiency, and real-time platform management. Our technology protects the world’s most critical infrastructure—from data centers to next generation cloud and AI platforms—by securing systems at the foundation levels of hardware, independent of host CPUs and operating systems. Founded in 2019 and now over 150 employees are strong, Axiado has evolved into a recognized leader in the convergence of AI, security, and silicon innovation. We partner with and are actively engaged in commercial programs with multiple Tier 1 industry leaders, validating both our technology and our long-term market trajectory. Axiado has also won numerous industry awards for our ground-breaking products and technological innovations, including being named one of Fast Company’s 2025 Top 10 Most Innovative Companies in Security, winning the 2025 Global InfoSec Award for Outstanding AI Security Solution, and being named a finalist for the Global Semiconductor Alliance’s 2025 “Start-Up to Watch” award. At Axiado, developing breakthrough technology takes more than great engineering—it takes a team of exceptional people who collaborate boldly, challenge assumptions, and take pride in building what comes next. We value curiosity, execution, respect, and a shared desire to make a meaningful impact on the security and reliability of the digital world. If you’re driven to innovate, energized by hard problems, and excited to help define the future of secure AI infrastructure, we invite you to apply and join us on this journey. We are seeking a Senior MCU/RTOS Engineer to lead the development of our core execution environment. This role is responsible for the "Internal Plumbing" of our security processor—ensuri
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