RF Antenna Engineer (Aerospace)

TL;DR

RF Antenna Engineer (Aerospace): Designing, implementing, and optimizing RF antennas for a next-generation GNSS satellite infrastructure with an accent on high-accuracy PNT services and space-grade hardware. Focus on 3D EM simulations, RF broadcast systems, and ensuring end-to-end RF precision across spacecraft and ground stations.

Location: On-site in Burlingame, CA. Must be a U.S. citizen, lawful permanent resident, or protected individual to comply with U.S. Government space technology export regulations.

Salary: $150,000 – $200,000 • Offers Equity

Company

hirify.global is a navigational intelligence company developing Pulsar, a high-precision PNT satellite infrastructure in Low Earth Orbit.

What you will do

• Design, implement, and optimize RF antennas for GNSS systems, covering spacecraft payloads and ground monitoring systems.
• Perform 3D EM simulations using Ansys HFSS to optimize array performance, scan volume, and impedance matching.
• Lead trades between analog, digital, and hybrid beamforming approaches to meet SWaP and thermal constraints.
• Interpret PCBA schematics and layout drawings using ECAD tools such as Altium.
• Conduct hands-on RF testing and calibrations using spectrum analyzers, signal generators, and oscilloscopes.
• Analyze RF test data to assess performance against design requirements and support off-site testing events.

Requirements

• 5-8 years of RF engineering experience.
• Must be a U.S. citizen, lawful permanent resident (Green Card holder), or other protected individual as defined by 8 U.S.C. 1324b(a)(3).
• Expertise in RF design across L-Band, S-Band, and C-Band.
• Experience with space RF electronics, including knowledge of multipaction and PIM.
• Proficiency with Ansys HFSS and Keysight ADS.
• Proven track record of taking complex antenna systems from initial concept through to production and deployment in space applications.

Nice to have

• Deep knowledge and experience with GNSS systems.
• Experience with the design of feed networks, polarizers, or waveguides.
• Familiarity with RFIC/MMIC technologies and array calibration techniques/algorithms.

Culture & Benefits

• Opportunity to build the world's most advanced PNT satellite infrastructure.
• Fast-paced, dynamic, and cross-team collaborative environment.
• Competitive compensation package including equity.
• Commitment to diversity and an inclusive work environment.