Senior RF Test Engineer

Sorry, this job was removed at 06:09 p.m. (CST) on Wednesday, Sep 17, 2025
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Torrance, CA
Hybrid
121K-147K Annually
Aerospace • Hardware • Machine Learning • Robotics • Software
We create innovative power solutions to solve complex problems and increase the velocity of change for our customers.
The Role
About Epirus  

Epirus is a high-growth technology company dedicated to overcoming the asymmetric challenges inherent to the future of national security. Epirus' flagship product, Leonidas, is a software-defined system built using intelligent power management techniques which allow power-hungry systems to do more with less.

Job objective: This is an exciting role in a growing company. As a Principal RF Test Engineer, you will be responsible for developing and performing test solutions for RF products from concept through manufacturing release. The ideal candidate for this role has experience supporting product development evaluations and final product characterization testing, as well as working with RF designers and system engineers in developing test requirements, test design reviews, and test plans.  

Duties  
  • Design, build, and support sophisticated automated test systems to test high-performance RF, digital, and power electronics in both production and prototype environments. 
  • Partner with cross-functional engineering teams to support end-to-end development cycles of complex RF systems from requirement generation to requirement selloff. 
  • Propose and execute novel test solutions to rapidly prototype, test, and inform iterative design. 
  • Develop maintainability and calibration plans for RF test sets. 
  • Identify and recommend RF test assets, capabilities, and technology.
Required Qualifications  
  • BS degree in Electrical Engineering or equivalent, and a minimum of 5 years of experience across all aspects of RF device/system testing, including test planning, conduct, and reporting (or 3 years of experience with a Master’s degree).
  • Strong knowledge of common RF components such as splitters, attenuators, amplifiers and frequency converters and their general RF performance characteristics.
  • Solid theoretical understanding of RF test and measurement principles.
  • Highly proficient in using RF test and measurement equipment such as Vector Network Analyzers (VNA), spectrum analyzer, power meter, High-
  • Speed Oscilloscopes, Waveform & Signal Generator, Power Meters, AutoCal Modules, SOLT Calibration Modules.
  • Knowledge of RF design tools such as HFSS and ADS.
  • Previous experience with designing automated test systems for various types of hardware.
  • Comfortable with object-oriented programming such as C++, C, Python, Ruby.
  • Strong documentation skills to track and root cause non-conforming hardware.
  • Ability to cover the entire test system lifecycle independently.
  • Collaborative and capable of working across all levels in a fast-paced, ever-changing environment.
  • US Citizen or Permanent Resident (future security clearance may be required).

Desired Qualifications   
  • Prior RF design experience, proficient in using ADS and HFSS 
  • Prior PCB design experience, comfortable with using Altium 
  • Leadership skills to guide and instruct junior test engineers and lead investigation efforts for RF failures
  • Knowledge of EMI/EMC principles and how they affect the reliability of RF testing

ITAR REQUIREMENTS: 

  • To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.  

At Epirus, you’ll work with technical peers and great people—and get first crack at some of the defining technology challenges of our time. Here, “impossible” is just a challenge. We're a diverse, fast-growing team of change-makers fueling the future of energy with revolutionary solutions. Join us and rewrite the rules. 

 
As required by the Equal Pay Transparency Act, Epirus provides a reasonable range of minimum compensation for roles that may be hired. Actual compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, and specific office location. 
For the state of California only, the range of starting pay for this role is:
$121,000$147,000 USD

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The Company
HQ: Torrance, CA
240 Employees
Year Founded: 2018

What We Do

Epirus is a high-growth technology company developing solid-state, software-defined directed energy systems that enable unprecedented counter-electronics effects and power management solutions to optimize power efficiency in defense and commercial applications. With a constant emphasis on innovation, we are redefining the future of power to bring tomorrow’s capabilities to life, today.  

To deliver on our mission, we are always looking for problem solvers, changemakers and innovators to join our fast-growing team. People are the most important part of Epirus – and always come first. We don’t believe in the word impossible and are always asking “why not” as work to usher in a new paradigm of power efficiency. Our fast-growing team is agile, creative, and innovative. We support a culture of constant learning and sense of belonging among our team members and know that mentorship matters. We embrace diversity, equity, and inclusion in the workplace and beyond. 

Visit our website to learn more. www.epirusinc.com 

Why Work With Us

We're a people-first culture that ensures every employee is heard and has the opportunity to grow. At Epirus, we're using cutting edge technology and provide the ability to work with passionate team members. We truly believe that failure is not a setback, but an opportunity. We move fast and build cool things, come join us!

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