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Principal Modeling Engineer

MACOM
Lowell, MA Full Time
POSTED ON 5/22/2026
AVAILABLE BEFORE 6/19/2026
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. In addition, MACOM offers foundry services that represent 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.

Modeling Engineer - Principal

This is an engineering position that is available on the Corporate R&D team. The individual will be responsible for developing Process Design Kits (PDK) and device models to assist product design across the breadth of MACOM’s product portfolio – GaAs, GaN and Si based semiconductor ICs and modules. The individual will also assume supervisory responsibility for the modeling test lab. Training and career growth opportunities will be provided.

Specific Responsibilities:

  • Development of active device models for GaAs, GaN, and Si based FET and diode devices
  • Creation and maintenance of Process Design Kits for a range of semiconductor processes, for both internal and external fabs
  • Supervisory responsibility of the modeling test lab, ensuring quality measurements from the lab team and managing the flow of test work in the lab
  • Optimization of device design and layout to improve performance
  • Creation and maintenance of Assura DRC/LVS decks
  • Software development as needed to automate electrical test for device characterization and model extraction

Qualifications / Skills:

  • BS or MS in Electronic Engineering or equivalent
  • 7-10 years relevant experience
  • Understanding of electronic device modeling (including some of circuit based, TCAD, EM, and thermal simulation)
  • Experience in development of Process Design Kits in Keysight ADS and/or Cadence MWoffice
  • RF/Microwave test expertise, including calibration techniques, S-parameters, load pull, 2-tone, and pulsed measurements
  • Understanding of semiconductor devices, IC manufacturing, and circuit design
  • Programming expertise, preferably in Python, Linux shell, and scripting
  • Due to ITAR regulations, only candidates who are U.S. Persons (U.S. citizens, U.S. nationals, lawful permanent residents, or individuals granted asylum or refugee status) will be considered for this position.

The Salary Range for this position is $120,000 - $170,000. Actual salary offered to candidates will depend on several factors, including but not limited to, work location, relevant candidates’ experience, education, and specific knowledge, skills, and abilities.

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.

Salary : $120,000 - $170,000

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