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Principal RF Engineer

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Axon

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Location:
United States , Sterling

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

We are seeking a Principal RF Engineer with advanced expertise in RF front-end systems and antenna design to spear-head the development of high-performance Software Defined Radio (SDR) platforms. You will be instrumental in architecting and implementing RF front ends, with an emphasis on high-power amplifiers (>50dBm), LNAs, and antennas capable of operating across broad and dynamic frequency ranges. This role demands both technical leadership and hands-on design excellence, supporting next-generation RF systems critical to our airspace security solutions.

Job Responsibility:

  • Architect and develop RF front ends including PAs, LNAs, and filters
  • Specify and integrate antennas for SDR platforms, ensuring optimized performance across frequency bands and dynamic environments
  • Lead RF validation, characterization, and environmental qualification for field deployments
  • Collaborate with other RF engineers, antenna experts, hardware, software, and systems teams to optimize performance in real-world scenarios
  • Serve as a technical leader and mentor, supporting the long-term roadmap and cross-functional integration

Requirements:

  • M.S. in Electrical Engineering, Physics, or a related field (Ph.D. preferred)
  • 8+ years of experience in advanced RF system development, particularly in SDR, wireless, or sensing domains
  • Demonstrated expertise in High-power RF amplifier and LNA design
  • Demonstrated expertise in Multiband and wideband RF front-end architecture
  • Demonstrated expertise in Antenna design, simulation, and validation
  • Proficient in RF simulation and test tools (ADS, HFSS, CST, MATLAB/Python, VNA, spectrum analyzer, etc.)
  • Deep understanding of propagation physics, impedance matching, linearity, and thermal effects in RF systems
  • Experience with counter-UAS, radar, SIGINT, or defense-oriented RF systems
  • Familiarity with SDR platforms such as USRP, GNURadio, or custom FPGA-based solutions
  • Experience with beamforming, MIMO, direction-finding, or geolocation technologies
  • Proven record of patents, publications, or fielded RF systems
What we offer:
  • Competitive salary and 401k with employer match
  • Discretionary paid time off
  • Paid parental leave for all
  • Medical, Dental, Vision plans
  • Fitness Programs
  • Emotional & Mental Wellness support
  • Learning & Development programs
  • Snacks in our offices

Additional Information:

Job Posted:
February 17, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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