Senior Software Engineer (SMES) - Drivers/BSPs and Firmware

L3Harris 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. L3Harris 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.

L3Harris 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.

Based in the historic L3Harris Camden Waterfront Campus !

L3Harris 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 bootloader.

Essential Functions

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• 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

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Qualifications

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• 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

Preferred Additional Skills

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• 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 BitBake, device trees, and the Linux Kernel
• Experience with bare-metal and kernel-space software development
• Strong understanding of standard interface protocols such as UART, SPI, I2C, CAN, AXI, PCI/PCIe
• Experience developing safety or security critical systems, including DO-178 and ASIL-D
• Experience with Xilinx, Microchip, and other SoC’s with programmable fabric
• Experience with bare-metal Rust development

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In compliance with pay transparency requirements, the salary range for this role in California, Massachusetts, New Jersey, Washington, and the Greater D.C. area, Denver, or NYC areas is [ $130,000 MIN - $175,000 MAX ].This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

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