Principal RF Engineer jobs in United States
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Axon · 13 hours ago

Principal RF Engineer

Axon is on a mission to Protect Life, addressing critical safety and justice issues through their ecosystem of devices and cloud software. The Principal RF Engineer will lead the development of high-performance Software Defined Radio (SDR) platforms, focusing on RF front-end systems and antenna design, while providing technical leadership and mentorship within the team.

ElectronicsGovTechHardwareSoftware
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Growth Opportunities
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H1B Sponsor Likelynote

Responsibilities

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

Qualification

RF front-end systemsAntenna designSoftware Defined RadioHigh-power amplifiersRF simulation toolsPropagation physicsCounter-UAS systemsBeamforming technologiesMIMO technologiesTechnical leadership

Required

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, Multiband and wideband RF front-end architecture, 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

Benefits

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
And yes, we have snacks in our offices

Company

Axon provides electronic control devices to law enforcement and corrections agencies.

H1B Sponsorship

Axon has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (3)
2024 (3)
2023 (7)
2020 (2)

Funding

Current Stage
Public Company
Total Funding
$2B
2025-03-05Post Ipo Debt· $1.75B
2018-08-07Post Ipo Equity· $246M
2001-06-07IPO

Leadership Team

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Jay Reitz
SVP Software Engineering
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Anthony Baldoni
VP Strategic Initiatives
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Company data provided by crunchbase