Design Engineer III

Neotech
📍 Naperville, IL, United States 💼 Full-time 🕒 Posted June 22, 2026

Job Description

We are seeking an experienced RF Designer to lead the design, development, and validation of high-frequency circuits and systems for demanding applications including aerospace, defense, industrial, and medical products. This role requires deep expertise in RF/microwave design, PCB materials, and system integration, along with the ability to work in a customer-facing environment.



Key Responsibilities


+ Design and develop RF and microwave circuits including amplifiers, filters, mixers, oscillators, and antennas

+ Perform schematic capture, simulation, and layout of high-frequency PCBs

+ Select and apply advanced RF materials (e.g., Rogers laminates such as RO4350B, RO4003C, RT/duroid series)

+ Conduct RF simulation using tools such as:

+ Keysight ADS

+ Ansys HFSS

+ Cadence AWR Microwave Office



+ Optimize impedance matching, signal integrity, and EMI/EMC performance

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Job Details

  • Location Naperville, IL
  • Job Type Full-time
  • Category other-general
  • Posted Date June 22, 2026
  • Application Deadline June 26, 2026