Senior Software Engineer; SMES; Drivers​/BSPs and Firmware

L3

Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3

Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3

Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Qualified candidates will receive a minimum sign-on bonus of $10,000. Qualified candidates with additional credentials may be eligible for higher sign-on bonuses.

Based in the historic L3

Harris Camden Waterfront Campus !

L3

Harris Space and Mission Systems in the greater Philadelphia region is seeking an experienced embedded Software Engineer to guide the next generation of mission‑critical national security systems. The candidate should have a strong background in modern computer architecture, hardware bring‑up and debugging, development of low‑level embedded system‑software including custom drivers, board support packages, and boot loader.

• Develop device drivers and board support packages (BSP) for custom embedded systems
• Diagnosis and debugging of complex hardware-software boundary issues
• Develop software to test manufactured circuit boards and diagnose manufacturing or design issues
• Participate in peer reviews, identify, track and repair defects
• Work closely with cross functional members of the engineering organization to develop and evaluate interfaces between hardware and software, operational performance, and design of the overall system
• Support and participate in all phases of the software development life cycle, including requirements analysis, design, implementation, hardware-software integration, and formal test
• Investigate root causes of complex issues, and implement solutions, working independently or with a multi-discipline team
• Develop software test plans and procedures, and other relevant technical documentation

• U.S. citizenship with an Active Department of Defense (DoD) Secret security clearance
• Bachelor's or Master's degree in Computer Engineering, Electrical Engineering, Computer Science, or related field
• At least 6+ years experience in software development
• At least 4+ years of experience developing and debugging drivers, BSPs, bootloaders, bare-metal applications, or other low-level development in embedded systems
• Experience with development of embedded systems in C C++, assembly, and or Rust
• Excellent oral and written communication skills
• Experience developing embedded Linux systems

• Proven experience developing device drivers and board support packages for modern RTOSs (Integrity, VxWorks, Zepher, seL4, Yocto)
• Proven experience with hardware bring‑up on prototype or first‑run hardware
• Deep understanding of modern SoC architectures, their boot processes, and security/safety capabilities
• Proven experience interfacing with hardware peripherals including custom logic in FPGA fabric
• Experience building and customizing Yocto/OE or buildroot based Linux distributions, in particular a deep knowledge of Bit Bake, device trees, and the Linux Kernel
• Experience with bare‑metal and kernel‑space…