RF System Engineer

Selby Jennings Ltd

  • Austin, TX
  • 2 days ago

    Highlights

    Engineer high-frequency transmit and receive signal chains, including low-noise amplifiers, filtering solutions, impedance matching networks, and power amplifier integration. Design, develop, test, and integrate custom RF hardware and subsystem solutions, including printed circuit board assemblies (PCBAs).

    Numbers & Facts

    LocationAustin, TX

    Description

    Responsibilities

    • Design, develop, test, and integrate custom RF hardware and subsystem solutions, including printed circuit board assemblies (PCBAs).
    • Engineer high-frequency transmit and receive signal chains, including low-noise amplifiers, filtering solutions, impedance matching networks, and power amplifier integration.
    • Analyze, troubleshoot, and optimize RF performance across complete system architectures.
    • Develop validation strategies, test procedures, and performance qualification plans.
    • Partner with software, infrastructure, and networking teams to support successful deployment and operation of RF systems.
    • Collaborate within cross-functional engineering teams and drive projects through the full product lifecycle, from concept through manufacturing.
    • Ensure designs comply with applicable regulatory, safety, and industry standards.

    Qualifications

    • Bachelor's degree in Electrical Engineering, Computer Engineering, or a related field; advanced degrees preferred.
    • Minimum of 3 years of professional experience in RF engineering or a closely related discipline.
    • Demonstrated experience designing, testing, and debugging RF hardware and communication systems.
    • Strong background in HF circuit design, filtering, impedance matching, amplifier characterization, and front-end architecture.
    • Solid understanding of RF receiver performance metrics including gain, noise figure, linearity, stability, and isolation.
    • Experience diagnosing issues in transmit and receive signal paths, including distortion mechanisms and unwanted coupling effects.
    • Familiarity with EMI troubleshooting, EMC principles, and mitigation techniques.
    • Experience with board-level design, integration, and PCBA development.
    • Proficiency using RF test and measurement equipment, with the ability to leverage scripting tools such as Python for automation, analysis, or hardware bring-up.
    • Knowledge of regulatory, compliance, and safety requirements related to RF systems and high-power RF equipment.

    Preferred Qualifications

    • Experience with microwave circuit and system design.
    • Understanding of antenna theory, performance, and integration considerations.
    • Amateur radio or similar RF operating experience.
    • Familiarity with RF simulation platforms such as ADS, AWR, HFSS, CST, or equivalent tools.
    • Experience with SPICE-based circuit simulation.
    • Background working with external manufacturing, testing, or engineering service providers.
    • Experience supporting compliance activities, including certification testing, documentation, and coordination with third-party laboratories.
    • Exposure to FPGA development, embedded systems, or microcontroller programming.

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