RF Communications Engineer

4 weeks ago

Norwood, United States Cohu, Inc. Full time

The Semiconductor Test Group (STG) is a Market Leader in RF Power Amplifier / Front-End Module Testing. We have 40+ years of semiconductor test expertise designing and manufacturing scalable automated test equipment (ATE). We make the industry’s most advanced test equipment to test the world’s leading ICs and enable our customer’s technology advancements through innovative solutions to some of the industry’s hardest problems.

As an RF Communications Engineer within the RF Modulation Library Engineering team, you will play a pivotal role in the development and deployment of cutting-edge wireless measurement solutions. Collaborating within cross-functional project teams, you will focus on developing ATE Signal Processing software for testing high-volume wireless semiconductor devices. An RF Communications Design Engineer participates in the full product development lifecycle, from inception and supports new and current customers with the evolution of wireless standards and their measurements.

Key responsibilities include:

  • Primary development in C++ under Linux environment.
  • Designing and developing digital signal processing algorithms for RF waveform design and analysis.
  • Developing DSP algorithms for measurement of wireless communication standards such as Wi-Fi (802.11), cellular (LTE, 5GNR), and IoT standards (NB-IoT, LTE-M, Zigbee, and Bluetooth).
  • Deploying DSP algorithms in Cohu’s Modulation library for use in our proprietary operation environment.
  • Conducting performance analysis and optimization of DSP algorithms implemented in FPGAs and other DSP ICs.
  • Implementing and maintaining RF waveform software tools for waveform design and measurement.
  • Providing technical guidance for Applications Engineers and Software Engineers to define and implement diagnostic C++ programs for the generation and analysis of Wireless Communication Standards.
  • Root cause analysis, debugging, and problem resolution for customers using our Wireless Communication Libraries.
  • Remaining abreast of the latest advancements in digital signal processing, wireless communication standards, and related technologies.
  • Collaborating within the software organization to identify and address process issues.
  • Mentoring junior software engineers working in the same discipline.

Education and Experience/Skills Required:

  • Bachelor's Degree in Computer Engineering, Electrical Engineering, or a related field with software experience-required. Master's or Doctorate Degree- preferred.
  • 5-15 years of experience in the field or in a related area.
  • Strong proficiency in C++ and Object-Oriented Programming.
  • Solid understanding of digital signal processing fundamentals, algorithms, and implementations.
  • Strong analytical and problem-solving skills with the ability to debug and troubleshoot complex RF communication systems.
  • Familiarity with wireless communication protocols (e.g., 5G NR, LTE, Zigbee, Bluetooth) is required.
  • Experience with developing calibration algorithms and real time processing strategies for both source and measurement solutions (Equalization, Predistortion, IQ Alignment).
  • Prior experience in RF waveform design, optimization, and measurements for communication standards is highly desirable.
  • Working knowledge of Analog, Digital, and RF circuit design is desirable.
  • Experience implementing Signal Processing Algorithms in FPGAs is desirable.
  • Experience or familiarity with radio frequency devices and/or systems is desirable.
  • Exposure to LINUX workstations and associated software applications preferred.
  • Effective verbal and written communication skills.
  • Ability to work collaboratively with other functional teams.

About the Company

Cohu, Inc. is a U.S. based, publicly traded Nasdaq company (COHU) with corporate headquarters in Southern California (in Poway in the Greater San Diego, CA area). Cohu designs, develops, manufactures, sells, installs and services semiconductor equipment for some of the world's largest semiconductor companies. Cohu is a global leader in test handling, thermal subsystems, package inspection, contactors and MEMS test solutions used by the semiconductor industry. The latest Cohu acquisition, Cohu and its associated brands of atgLM, Multitest and ECT bring together a deep and broad expertise in test that enables innovative and cost-effective handling, contacting and measurement solutions for the electronics industry.

Cohu is a global provider of capital equipment, interface products, and services to the semiconductor, industrial, and electronics manufacturing industries. The Company addresses the broad, divergent requirements of the mobility, industrial, automotive and consumer end markets, offering a comprehensive portfolio of solutions and technologies, and a global network of strategically deployed applications and support resources.

Cohu is a VEVRAA Federal Contractor and an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, national origin, age, disability status or protected veteran status, or any other characteristic protected by law.

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