Wireless Firmware Engineer (Direct To Cell) - job 1 of 2

A Wireless Firmware Engineer (Direct To Cell) at SpaceX is responsible for designing and implementing physical layer algorithms for satellite-based 4G/5G technology. This includes developing optimized signal processing algorithms that can effectively run on resource-constrained CPUs, conducting performance analysis, identifying and debugging complex issues, and actively participating in architecture and design reviews.

Candidates applying for the Wireless Firmware Engineer (Direct To Cell) role at SpaceX should hold a Master’s or PhD degree in computer science, computer engineering, electrical engineering, or a related STEM field. Additionally, you should have at least one year of hands-on experience with wireless signal processing and strong proficiency in C/C++ or Matlab programming.

While a basic understanding of wireless signal processing is essential, preferred skills for a Wireless Firmware Engineer (Direct To Cell) at SpaceX include familiarity with 3GPP 4G/5G physical layer design, MAC layer concepts, and DSP algorithms. Experience in Linux command line, git version control, Python programming, and SDR is also advantageous.

As a Wireless Firmware Engineer (Direct To Cell) at SpaceX, you should be prepared for dynamic working conditions that may require extended hours or weekends. The environment is fast-paced and ever-evolving to meet the challenges of cutting-edge technology development.

The compensation for a Wireless Firmware Engineer (Direct To Cell) at SpaceX ranges from $120,000 to $170,000 based on experience and level. Along with competitive base salary, you'll have access to comprehensive medical, vision, and dental coverage, a 401(k) retirement plan, paid parental leave, vacation, and various other perks, making it a rewarding place to work.

When answering this question, focus on specific projects you've worked on related to wireless signal processing. Discuss the algorithms you developed or employed, the challenges you faced, and how your efforts contributed to successful outcomes. Using metrics can help illustrate your impact.

Select a specific situation where you faced a performance issue and discuss your systematic approach to identifying the problem. Highlight the tools you used, the tests performed, and how you arrived at a solution, showing your analytical skills and your hands-on experience.

Discuss your development process step-by-step, starting from initial research, algorithm design, implementation, testing, and finally optimization. Emphasize your ability to adapt and iterate based on performance analysis results.

As a Wireless Firmware Engineer (Direct To Cell), emphasis should be placed on languages like C/C++ and Matlab. Discuss your proficiency with these languages, specific projects where you utilized them, and any additional languages like Python or MATLAB that you've used effectively.

Show your passion for the industry by mentioning specific publications, webinars, or communities where you acquire knowledge about the latest technologies and standards. This indicates that you remain proactive in professional development.

Detail any relevant simulations or modeling techniques you've used to assess performance metrics in wireless communications. Explain the tools utilized and the outcomes from these simulations that influenced your project's direction.

Make sure to relate your experience with MAC layer protocols to your work in wireless systems. Explain the protocols you are familiar with and how your understanding has had practical applications in your previous roles.

Discuss strategies you use to prioritize tasks effectively, highlighting tools or methodologies like Agile, Kanban, or project management software that you employ to manage your workload while maintaining quality.

Talk about your hands-on experience with tools like Git. Give specific examples of how you've collaborated using version control in group settings, handled merge conflicts, or contributed to coding projects.

Discuss your commitment to quality assurance throughout the firmware development lifecycle. Highlight testing strategies, code reviews, and how you incorporate feedback from peers to ensure a robust end product.