> Markdown version of [/jobs/ext/1208419-firmware-engineer-secure-systems](https://www.wearedevelopers.com/jobs/ext/1208419-firmware-engineer-secure-systems). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Firmware Engineer, Secure Systems - **Company:** Sweep360 Inc. - **Location:** New York, NY, United States - **Experience:** Experienced - **Salary:** $180,000.0 - $220,000.0 - **Contract:** Permanent contract - **Skills:** C++ (Programming Language), Linux on Embedded Systems, Filesystem Hierarchy Standards, Firmware, Global Positioning Systems (GPS), Real-Time Operating Systems, Trusted Systems, Universal Asynchronous Receiver/Transmitter, Hardware Testing, U-Boot - **Published:** July 8, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=ca5a29ac6c42b8d2 ## About the Role * 3-6 years writing systems-level firmware for embedded targets with real depth, not glue code on top of HALs * Strong command of C with the ability to adopt new systems languages (Rust, Zig, C++) when appropriate. * Proven background in red teaming, offensive security research, or adversarial testing targeting embedded systems and physical hardware. * Reasons about trust boundaries, failure modes, and adversarial inputs before they become vulnerabilities. * Thrived in an early-stage startup. * Comfortable operating without perfect specs or complete information. * U.S. Person status required (may involve export-controlled data). Bonus if you've... * Shipped firmware on microcontrollers and OS-based embedded systems. * Written firmware for systems with secure boot, verified OTA, or hardware-enforced trust boundaries * Done RF/SDR-adjacent work or integrated wireless radios at the firmware layer * Maintained embedded Linux systems (custom rootfs, systemd services, power management) * Held a security certification or contributed to a CVE, hardware CTF, or published security research. ## Description * Own firmware across RTOS, embedded Linux, wireless radios, GPS, and custom embedded hardware. * Write and maintain system daemons and firmware modules with strict fault isolation * Own secure boot and verified firmware update pipelines end-to-end * Conduct adversarial review of firmware attack surfaces (e.g. USB, BLE, UART, OTA) and close what you find * Partner with RF and ML teams on high-throughput signal capture and real-time processing pipelines. * Build and maintain hardware validation tooling; reduce bring-up friction on every successive board spin. How we select... * Short application * 20-minute intro call * Technical deep-dive * Practical problem discussion * References and offer Final facts. ## Related Videos - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) - [Security Challenges of Breaking A Monolith](https://www.wearedevelopers.com/videos/362-security-challenges-of-breaking-a-monolith) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [Agent Smith Gets Hardware: Autonomous IoT Hacking From Debug Port to Cloud API](https://www.wearedevelopers.com/videos/100258-agent-smith-gets-hardware-autonomous-iot-hacking-from-debug-port-to-cloud-api) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Real-world Threat Modeling](https://www.wearedevelopers.com/videos/936-real-world-threat-modeling) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Dev Digest 138 - Are you secure about this?](https://www.wearedevelopers.com/magazine/486-dev-digest-138-are-you-secure-about-this) - [Dev Digest 129 - Now that's what I call private data!](https://www.wearedevelopers.com/magazine/468-dev-digest-129-now-that-s-what-i-call-private-data) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)