Senior RF Systems Engineer

6 days ago

Hawthorne, California, United States Astrolab Full time
Job Summary

We are seeking a highly skilled Senior RF Systems Engineer to join our team at Astrolab, a pioneering company in the field of space exploration. The ideal candidate will have expertise in designing and optimizing RF systems for space applications, with a focus on interplanetary communication rovers and infrastructure.

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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