Principal RF Systems Engineer


Cambridge, MA, US

Eta Wireless is solving the fundamental problem of power consumption in mobile devices. Eta Wireless was acquired by Murata in September 2021 and is productizing ETAdvanced technology for mobile devices. We believe in a wireless future. A future where you don’t need to worry about the battery status of your devices. Our ETAdvanced technology will significantly extend the battery life for smartphones, wearables and IoT devices to make running out of power a thing of the past.


Cambridge, Massachusetts 

General Summary

The RF Systems Engineer is an expert in our ETAdvanced Digital Supply Modulation technology, working with tier-one platform customers to integrate the technology and contributing to internal system-level R&D.  The Systems Engineer can solve complex multi-disciplinary problems spanning across PMIC design, DSP algorithms, cellular platform constraints and requirements, and RF power amplifier optimization.  Further, the Systems Engineer can clearly explain both problem and solution internally and in direct customer support.

Essential Job Responsibilities

  • Multi-disciplinary R&D for digital supply modulation focused on RF but including PMIC, DSP, and SW aspects.
  • Create, direct, execute, and document test plans for the cellular front end.
  • Interact directly with customers for integration, testing, and development.
  • Highly organized, create and maintain documentation and results.
  • Provide technical direction on the RF team, and mentor engineers.


Critical Thinking & Decision Making
Customer Orientation
Functional/Technical Knowledge
Promotes Innovation & Change
Results Orientation

Required Qualifications

  • Bachelor’s Degree in Engineering.
  • MSEE or Ph.D. with 5yr minimum experience.
  • Work experience with some or all of the following:
    • Cellular RF transmit components, specifically RF power amplifier
    • Envelope tracking system for RF PA
    • Digital pre-distortion for RF PA
    • FR1 (sub-6GHz) and FR2 (mmW) frequencies
  • Capable with standard RF lab equipment.


Infrequent travel.

Equal Opportunity/Affirmative Action Employer - M/F/Disabilities/Veterans

Nearest Major Market: Cambridge
Nearest Secondary Market: Boston