Applications / System Engineer - Principal

Company Overview:
MACOM designs and manufactures semiconductor products for Data Center, Telecommunication, and Industrial and Defense applications. Headquartered in Lowell, Massachusetts, MACOM has design centers and sales offices throughout North America, Europe, and Asia. MACOM is certified to the ISO9001 international quality standard and ISO14001 environmental management standard.

MACOM has more than 75 years of application expertise with multiple design centers, Si, GaAs, and InP fabrication, manufacturing, assembly and test, and operational facilities throughout North America, Europe, and Asia. Click here to view our facilities. https://www.macom.com/. In addition, MACOM offers foundry services that represents a key core competency within our business.

MACOM sells and distributes products globally via a sales channel comprised of a direct field sales force, authorized sales representatives, and leading industry distributors. Our sales team is trained across all of our products to give our customers insights into our entire portfolio.

Position Overview:
As an RF Systems Principal Engineer, you will play a critical role in defining and delivering advanced RF architectures support for next-generation wireless systems power amplifiers. You will interface internally with product development, technology teams, and product line managers, and externally with key customers and suppliers. This position requires deep technical expertise in RF system design, power amplifier architectures, and digital predistortion (DPD), as well as leadership in driving innovation and influencing product roadmaps.

Responsibilities:
- Provide technical leadership in defining RF system specifications, PA architectures, and product roadmaps.
- Perform system-level evaluation of existing and emerging technologies for LTE/5G/6G communications systems.
- Lead development and optimization of power amplifiers using efficiency enhancement techniques (e.g., Digital Doherty, LMBA, Gate Bias Modulation, Envelope Tracking).
- Apply advanced modeling techniques (MATLAB, C/C++) to analyze RF impairments and optimize system performance, including behavioral model of GaN PAs.
- Drive relationships with key customers and suppliers to align RF system requirements and DPD methodologies.
- Collaborate with cross-functional teams including product design, technology development, and application.
- Develop automated test and characterization flows for RF power amplifiers and subsystems.
- Communicate technical concepts effectively through reports, presentations, and customer interactions

Key Competencies & Skills Required:

Expertise in RF power amplifier design, modeling, and linearization (DPD).
- Strong knowledge of RF design tools such as ADS and AWR.
- Proficiency in system modeling using MATLAB and/or C/C++.
- Hands-on experience with RF test equipment (spectrum analyzers, signal generators, power meters) and third-party DPD systems.
- Familiarity with LTE/3GPP/5G standards; knowledge of emerging 6G trends is a plus.
- Excellent communication and team collaboration skills.
- Demonstrated ability to lead projects and mentor engineers.
- Proven track record of innovation (patents, IEEE publications) in PA architectures and DPD algorithms.
- Familiarity with GaN PA characterization and advanced memory effect compensation techniques.

Required Qualifications and Experience:
- MSEE or Ph.D. degree in Electrical Engineering
- 10+ years of experience in RF systems Engineering

EEO:
MACOM is an Equal Opportunity Employer committed to a diverse workforce. MACOM will not discriminate against any worker or job applicant on the basis of race, color, religion, sex, gender identity, sexual orientation, national origin, age, disability, genetic information, veteran status, military service, marital status, or any other category protected under applicable law.

Reasonable Accommodation:

MACOM is committed to working with and providing reasonable accommodations to qualified individuals with physical and mental disabilities. If you have a disability and are in need of a reasonable accommodation with respect to any part of the application process, please call +1-978-656-2500 or email HR_Ops@MACOM.com. Provide your name, phone number and the position title and location in which you are interested, and nature of accommodation needed, and we will get back to you. We also work with current employees who request or need reasonable accommodation in order to perform the essential functions of their jobs.

Benefits: This position offers a comprehensive benefits package including but not limited to: 

• Health, dental, and vision insurance.
• Employer-sponsored 401(k) plan.
• Paid time off.
• Professional development opportunities.