Senior RF Engineer

4 weeks ago

Hawthorne, California, United States Astrolab Full time
Senior RF Engineer

Astrolab is seeking a highly skilled Senior RF Engineer to join our team of experts in designing and developing interplanetary communication rovers and infrastructure. As a key member of our engineering team, you will be responsible for developing and testing RF solutions that ensure reliable communications between our lunar systems and Earth, even in challenging environments with multipath effects and other signal distortions.

Key Responsibilities:
  • Design, simulate, and validate RF communication systems for lunar rover communications, focusing on antenna patterns, radiated fields, and microwave circuits
  • Perform advanced electromagnetic simulations to analyze multipath effects, Rician fading, and other propagation phenomena in lunar environments
  • Optimize impedance matching and develop Smith charts to ensure efficient RF performance
  • Develop and refine channel models to account for the unique propagation challenges on the lunar surface
  • Perform S-parameter analysis for RF front-end components and ensure efficient design of high-frequency circuits
  • Collaborate with the DSP team to integrate RF subsystems with digital signal processing techniques, ensuring seamless communication and optimal error vector magnitude (EVM)
  • Design and evaluate microwave circuits and systems for efficient transmission and reception of digital and analog signals
  • Analyze and mitigate RF interference and develop strategies to improve communication robustness
  • Collaborate closely with other engineering teams to ensure RF systems are compatible with overall rover systems, including power, thermal, and structural subsystems
  • Support testing, verification, and validation efforts for the rover's communication system, both in lab environments and in mission simulations
Requirements:
  • Bachelor's degree in Electrical Engineering, Telecommunications, or related field. Master's or PhD preferred
  • 7+ years of experience in RF engineering, with a focus on high-frequency, space-based, or aerospace communication systems
  • Strong expertise in RF simulations, antenna design, and analyzing radiated fields
  • Proficiency with RF simulation software such as HFSS, CST, or COMSOL
  • In-depth knowledge of impedance matching, Smith charts, S-parameters, and RF front-end design
  • Experience with channel modeling, particularly in multipath environments and under Rician fading conditions
  • Expertise in high-frequency microwave circuit design, testing, and optimization
  • Strong understanding of DSP principles as applied to RF communication systems
  • Familiarity with RF test equipment, including network analyzers, spectrum analyzers, and signal generators
  • Demonstrated experience with space communication standards and working with cross-functional teams in aerospace or high-tech environments
Preferred Skills:
  • Experience working with lunar or planetary exploration missions
  • Familiarity with radiation-hardened RF design
  • Experience with rover or satellite communication systems
  • Familiarity with terrestrial mobile communication standards and designs, such as 3GPP
What We Offer:
  • Work with a team of best-in-class engineers building the foundation of planetary surface exploration
  • Ownership in the company
  • Medical, dental, and vision coverage
  • 401(k) with matching
  • Flexible time off and parental leave
  • On-site snacks, beverages, and 2x weekly lunches
  • Flexible work environment

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