Job Description

DSP/Communications Engineer

$130,000 - $180,000

Full-time - On-site

Burlingame, CA

Company Overview:

Our client is developing a next-generation navigation satellite network designed to enable precision technologies such as robotic farming and hands-free driving at a global scale. Their patented PULSAR network simplifies the complexity required to achieve robust, centimeter-level accuracy, making precision navigation accessible and affordable for industries that rely on automation and autonomy.

Position Summary:

As a DSP/Communications Engineer, you will own the RF signals link between Xona’s next-generation LEO constellation satellites and ground receivers. Your role will involve communications link simulations, link budgets, and low-level signal metrics, driving implementation details throughout the hardware/firmware stack to ensure Xona’s high-precision and high-accuracy GNSS service.

This is a hands-on role requiring expertise in digital signal processing, RF communications, and signal simulations. The ideal candidate will play a key role in ensuring the integrity and performance of Xona’s satellite communications system.

Primary Duties and Responsibilities:

• Design and implement signal processing and communications systems for satellite navigation.
• Conduct RF communications prototyping using tools such as GNU Radio or Simulink.
• Simulate RF communications links, including modeling signal distortions and interference.
• Develop and maintain RF link budgets to distill hardware and firmware requirements.
• Analyze and interpret RF measurements, assessing performance against design criteria.
• Implement and optimize spread-spectrum signals and digital modulation schemes such as QPSK.
• Utilize Python and C/C++ for signal processing development.
• Collaborate with hardware and software teams to refine system architecture and performance.
• Support off-site testing events and provide technical expertise as needed.

Minimum Qualifications:

• 3 - 6 years of experience in signal processing and communications.
• Hands-on experience with RF communications prototyping.
• Proficiency in simulating RF links, including modeling distortions.
• Strong understanding of spread-spectrum signals and digital modulation techniques.
• Experience developing and maintaining RF link budgets.
• Knowledge of key RF performance metrics and their impact on system design.
• Fluency in Python and C/C++ for signal processing applications.
• Familiarity with git/gitflow for version control.
• Ability to travel as needed to support testing events.
• Self-starter with a proactive approach to problem-solving.
• Strong communication skills and ability to work effectively in a fast-paced, collaborative environment.

Desired Qualifications:

• Experience with satellite communications.
• Hands-on experience with electrical/RF test equipment such as oscilloscopes and spectrum analyzers.
• Lab experience with RF test setups for communications measurements.
• Knowledge and experience with GNSS systems.

This is a unique opportunity to contribute to the development of next-generation satellite communications technology and shape the future of precision navigation.

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