RF Design Engineer

Requisition ID
Category (Portal Searching)
RF Engineering

Job Description
Wolfspeed is one of the world’s leading suppliers of gallium nitride (GaN) wafers and devices for RF cellular communications, radar, and electronic warfare. Our business is growing rapidly and needs a RF Power Amplifier Design Engineer for our Product Development team in Morgan Hill, CA. The primary focus of this role is the design, test, and evaluation of cutting edge products using GaN HEMT and Si-LDMOS technologies.

What can we do for you? 

-Continue the acceleration of GaN adoption across the wireless frequency spectrum.
-Be a key member in a vertical integrated GaN/Si-LDMOS company joining the RF product development team.
-Work for a small team (you will not be a “number” here!), but nor is this a startup. This is a world class, winning organization with a nimble footprint.
-Be a part of a strong technical team that values agility, contribution, and enjoying work

What can you do for our company? (Job Responsibilities, Day to Day responsibilities)

-Design packaged devices using LDMOS and GaN technologies for Cellular Infrastructure class-AB and Doherty Amplifiers
-Design of product evaluation and reference designs to highlight product performance
-Use circuit modeling techniques including harmonic balance and planar electromagnetic simulation to ensure first pass design success
-Perform device testing and evaluation including s-parameters and large signal load pull characterization
-Generate test fixture, device, and assembly drawings and other process documentation
-Participate in planning and technical risk mitigation
-Work with Manufacturing and Operations to insure design for manufacturing and high yields

What you need for success: 

-BS, MS or PhD with RF and PA experience
-New PhD graduates with strong background in the area of RF/microwave PA modeling/design will be considered
-Good understanding of RF power amplifier load line and operation of class theories
-Proficient in RF matching networks theory and design
-Proficient with ADS/AWR non-linear simulation tools and 2.5 and 3D EM simulation software
-Experience with standard RF lab equipment (signal generators, power meters, spectrum analyzers, etc..)
-Programming experience in Matlab, Python, and/or C
-Ability to work within schedule restraints
-Excellent communication and team skills

Highly preferred skills and certifications: 

-Strong background in the area of RF/microwave PA design/modeling
-Understanding and experience with load-pull system
-Familiar with GaN technology

At Cree, we’ve spent more than 30 years developing industry firsts as a leader in wide bandgap semiconductor technology. Not familiar with all of our products? That is because we are a part of the invisible revolution; if we do our job right you will never know we were there. Our products make impossible possible like our LEDs that power cities to our Silicon Carbide (SiC) and Gallium Nitride (GaN) components that power electric vehicles, solar energy, telecommunications and industrial, military and aerospace solutions.


We believe in enabling the world to do more with less. That’s why we encourage each other to think unconventionally, take ownership and solve real problems. Interested in a career at Cree? We want to meet you. Submit your application now.


We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any other characteristic protected by law.