Senior RF Engineer - Space GNSS RF Systems

Xona Space; Burlingame (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Xona Space in Burlingame, CA is seeking a Sr. RF Engineer to design, implement, test, and optimize RF systems for our GNSS-inspired PNT services.

You will cover everything from spacecraft payload electronics to ground monitoring systems, ensuring an end-to-end RF broadcast system that meets high precision requirements. Ideal candidates will have hands‑on RF test experience, antenna design skills, and deep knowledge of L‑Band, S‑Band, and C‑Band designs, with familiarity with HFSS and RF

Qualifications

• Understanding of electromagnetic principles behind RF communications.
• Able to read PCBA schematics and layout drawings; familiarity with Altium.
• Hands-on experience with RF test equipment (multimeters, oscilloscopes, signal generators, spectrum analyzers).
• Knowledge of RF performance metrics for communications systems.
• Experience with antenna design/testing; familiarity with HFSS or similar 3D EM tools.
• RF amplifier and circuit tuning; RF design in L-Band, S-Band, and C-Band.
• Familiarity with RF circuit simulation tools (Keysight ADS, AWR MWO).
• Hands-on RF test setups and data interpretation; assess performance vs design.
• Willingness to travel for off-site testing as needed.
• Self-starter, detail-oriented; strong cross-team collaboration and communication.

Responsibilities

• Design, implement, test, and optimize RF systems for the next‑gen GNSS system.
• Work from spacecraft payload electronics to ground monitoring systems to ensure end‑to‑end RF broadcast accuracy.
• Collaborate with multidisciplinary teams and external partners to meet project goals.

Skills

RF engineering

Electromagnetic principles

PCB interpretation

RF test equipment handling

Antenna design/testing

L-Band S-Band C-Band RF design

RF circuit simulation

Test data analysis

Travel for off-site testing

Cross-team collaboration

Communication skills

Tools

Altium

Keysight ADS

AWR Microwave Office

Ansys HFSS

Job description

Xona Space in Burlingame, CA is seeking a Sr. RF Engineer to design, implement, test, and optimize RF systems for our GNSS-inspired PNT services.

You will cover everything from spacecraft payload electronics to ground monitoring systems, ensuring an end-to-end RF broadcast system that meets high precision requirements. Ideal candidates will have hands‑on RF test experience, antenna design skills, and deep knowledge of L‑Band, S‑Band, and C‑Band designs, with familiarity with HFSS and RF