Software Engineer, Modem BSP
TrellisWare Technologies, San Diego, California
- Pay
- $115K–$200K / year
- Work type
- Not stated
- Level
- Not stated
- Area
- Software engineering
- Posted
- Nov 21, 2025
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About the role
TrellisWare launched in 2000 with an innovative culture striving to push technological boundaries in the area of wireless communications. We are now a worldwide leader in highly advanced algorithms, waveforms, and communications systems that range from small form factor radio products to fully integrated solutions.
At TrellisWare, we connect passion with purpose and together we make an impact- on our careers, our company, and the world. And you can too. If you love to innovate and collaborate in a dynamic environment where boundaries are being pushed, you belong at TrellisWare. Where the opportunity to serve is not a challenge but a gift. Where you’re never going alone. Because there’s too much at stake to go solo.
Our Radio Products Team is seeking a hybrid Software Engineer, Modem BSP. You would be responsible for working on next generation self-networking hand-held radios for domestic and foreign defense forces. A typical day might start with you working in your personal office designing and implementing an initialization routine, hardware driver/abstraction layer, or a real-time operating system abstraction layer. It could move into one of our many state-of-the-art labs with your teammates to bring up your design on physical hardware. Enhancing cohesiveness and maintaining team morale is a responsibility of all our team members, as is the ambition for self-improvement and talent development. Through this dedication to unity and professional advancement, each team member is directly impacting the successful outcome of TrellisWare’s deliverables and setting the tone for our core values of delivering excellence, pushing boundaries, and empowering people.
The essential duties and responsibilities include:
- Design, implement, integrate, and maintain:
- Hardware adaptation, device drivers, bootloader configuration.
- System initialization.
- Customization and optimizations for specific hardware and operating systems.
- Perform feasibility studies, and performance analysis of real-time operating system performance and portability on specific hardware targets.
- Document and present design alternatives using standard professional practices and corporate defined engineering processes.
- Develop relationships with team members built on trust and respect.
Education and work experience requirements are:
- Bachelor's degree in Electrical/Computer Engineering, Computer Science or related field of study required.
- Minimum of four years’ experience integrating with a real-time operating system (Nucleus, FreeRTOS, VxWorks) and four years of embedded software development experience.
- Deep proficiency in C and C++.
- Expertise in embedded systems architecture, hardware/software interaction, inter-processor communications, asymmetric multiprocessing, and Linux sub-system interaction.
- Experience using debugging tools such as oscilloscopes, logic analyzers, JTAG debuggers, test script usage.
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Listed on TrellisWare Technologies's Greenhouse job board; checked 3 h ago. First seen by us 31 h ago. Being listed doesn't mean the team is actively interviewing. We found this board in a public directory and haven't yet confirmed it against the company's own careers page.