Demo

Radio Frequency (RF) Engineer

AST SpaceMobile
Lanham, MD Full Time
POSTED ON 2/12/2025
AVAILABLE BEFORE 5/7/2025

AST SpaceMobile and our global partners are building the first and only space-based cellular broadband network to be accessible by standard smartphones. Called SpaceMobile, this ultra-powerful network is being designed to provide connectivity at 4G / 5G speeds everywhere on the planet – on land, at sea and in flight.

Summary :

The Radio Frequency (RF) Engineer is responsible for all aspects of the RF System on the satellite.

Duties and Responsibilities :

  • Will be the subject matter expert on RF communication systems, subsystems and components, particularly the RF transceivers and filters.
  • Responsible for design and analysis of the satellite RF systems, including the Q / V band gateway link system and lower frequency user link system.
  • Management of major suppliers for the RF systems.
  • Development of RF system test plan.
  • Works with testing team for test result reviews, non-conformance investigation, and resolution.

Minimum Qualifications :

  • Minimum 5 years of hands-on experience in RF systems with undergraduate college degree OR 3 years experience with an advanced degree in RF communications / electrical engineering fields or other related fields OR 10 years experience in RF systems without degree.
  • Demonstrated ability to work in a multidisciplinary team with other engineers.
  • RF component and / or system level design experience with PCB.
  • RF equipment with strong hands-on experience – VNA, Noise figure, P1dB Measurement.
  • Flexibility / adaptability in a fast-paced & dynamic environment.
  • Excellent English written and verbal communication skills.
  • US Citizen or Permanent Resident Card Holder.
  • Preferred Qualifications :

  • RF architecture trade-off
  • Link budget analysis and cascaded line up analysis
  • RF block diagram proposal
  • Frequency planning
  • System level of understanding like phase noise, linearity to EVM / SNR / NPR
  • Experience with satellite payload design / analysis and / or wireless communications
  • Supplier management skills
  • AST SpaceMobile is an Equal Opportunity, at will Employer; employment is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin / ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

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