Sr. Systems Engineer – Germantown

Haystackllc is seeking to hire a Senior RF Systems Engineer for our Lakeforest Facility office in Gaithersburg, Maryland. This is an exciting position where the candidate will be involved in system design and testing of state-of-the-art RF and antenna technology for next generation LEO/MEO/GEO satellite communication systems.


  • Analyze system requirements and develop system architectures for RF and baseband subsystems.
  • Develop subsystem requirements, specifications and technical evaluations
  • Conduct link budgets analyses, block and signal level analyses, and, trade off studies
  • Analyze RF performance and conduct simulations and measurements to determine signal integrity, cross-talk, coupling, noise, insertion loss, return loss.
  • Develop algorithms for calibration of antenna subsystems in fixed and mobile user terminal installations
  • Develop constellation modeling and analyses for LEO/MEO/GEO satellite systems and conduct analyses against regulatory masks.
  • Document detailed designs and present them internally and to external customers


  • MSEE in electrical engineering with emphasis on signal analyses and RF/microwave engineering
  • 10+ years expertise in communications systems theory and analysis including link budgets, signal propagation, phase noise, EVM, non-linear effects, etc.
  • 5+ years of experience with microwave circuit design in industry.
  • Strong analytical skills and modeling skills for RF performance in LEO/MEO/GEO systems


  • Ph.D in electrical engineering with emphasis on signal analyses and RF/microwave engineering
  • Experience with HFSS/CST, ADS, and MATLAB simulation tools
  • Familiarity with a wide variety of RF printed circuit technologies including stripline, microstrip, CoPlanar Waveguide.
  • Familiarity with high density PC Board interconnect methods including micro-via, blind and buried via, in RF and microwave environments.
  • Design experience with LNAs, power amplifiers, active RFIC technologies, directional couplers, frequency converters, mixers, frequency synthesizers.
  • Familiar with test equipment like vector network analyzers, spectrum analyzers, signal generators, noise figure meters, power meters, vector signal analyzers.
  • Knowledgeable about electronic beam forming, beam steering and array synthesis.
  • Able to make antenna pattern measurements including gain, beam-width, sidelobe levels, co and cross polarization levels, Return loss, coupling factors

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