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# Embedded Systems Engineer

- **Company:** Legacy
- **Location:** McLean, VA, United States (Remote available)
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** 3D Printing, Computer-Aided Design, Altium Designer, Computing Platforms, Booting (BIOS), Computer Networks, Computer Engineering, Modems, Software Debugging, Linux, Linux on Embedded Systems, Failover, Hardware Design, Linux Distribution, Routing, Signal Integrity, Yocto, Information Technology, U-Boot
- **Published:** October 6, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9220020/embedded-systems-engineer

## About the Role

* Bachelor's in Computer Engineering, Electrical Engineering, Computer Science, or equivalent experience.
 * 6-8 years of embedded Linux on ARM platforms.
 * Hands-on Yocto experience building and maintaining images for custom hardware.
 * Strong Linux networking experience.
 * Comfortable at the BSP layer: device trees, U-Boot or equivalent, kernel and userspace integration.
 * Able to read vendor hardware and software claims and tell whether they hold up.
 * Mechanical CAD literacy: open, review, and edit enclosure or assembly files and return clear markups.
 * Working knowledge of embedded security (secure boot, image signing, and how platform choices affect accreditation).

Preferred Qualifications

 * Prior BSP development or first-board Linux bring-up.
 * Modem, radio, eSIM, or wireless certification experience.
 * Low-power or battery-powered ARM / power-management experience.
 * Familiarity with NIAP protection profiles and mapping PP requirements to hardware and Linux images.
 * 3D printing and general prototyping.
 * Enough PCB or schematic background to review vendor designs (Altium, Cadence, or similar).
 * High-speed digital, power integrity, or signal integrity enough to challenge a manufacturer.
 * Work in defense, industrial, or other regulated environments.

## Description

We are seeking an experienced Embedded Systems or Computer Engineer to lead the design, development, and production of custom single-board computers (SBCs) based on ARM processors. This role combines deep hardware design, Linux systems software, and mechanical CAD/CAM work. You will own the full product lifecycle of compact, high-reliability computing platforms-from architecture and schematic design through Linux board support package (BSP) bring-up, mechanical enclosure design, and manufacturing support., * Build and maintain a Yocto-based Linux distribution for custom ARM boards.

 * Bring up and sustain the Linux platform: bootloader, device tree, kernel, userspace, and BSP work as needed.
 * Implement and debug Linux networking (interfaces, routing, failover, and related management).
 * Work with hardware manufacturing partners as the technical check. Review designs and deliverables, verify they match what was promised, and flag problems early.
 * Examine detailed security controls and translate them into actionable software/hardware features.
 * Apply embedded security practices (secure boot, signed images, hardware root of trust) and understand how board, BSP, and distro choices affect later government security accreditation.
 * Support prototyping and mechanical fit. Review and edit mechanical CAD, send markups back, and work with partners on enclosures and assemblies.
 * Work with software, security, and product to get a production-ready platform.
 * Document the platform, builds, and test steps so the work can be repeated and sustained.