Design Engineer III

Posted yesterday

ignite human capitalNaperville (IL)

Electronics Engineers, Except Computer Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing

SENIORITY

Lead

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About the role

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 PCBsSelect and apply advanced RF materials (e.g., Rogers laminates such as RO4350B, RO4003C, RT/duroid series) Conduct RF simulation using tools such as:

Keysight ADSAnsys HFSSCadence AWR Microwave Office
Optimize impedance matching, signal integrity, and EMI/EMC performance
Develop RF test plans and perform lab validation using VNAs, spectrum analyzers, and signal generators
Collaborate with PCB layout, mechanical, and manufacturing teams to ensure design for manufacturability (DFM/DFA)
Interface directly with customers to define requirements, present designs, and support technical reviews
Support prototype builds, troubleshooting, and production ramp-upQualificationsRequired Qualifications
Bachelor's or Master's degree in Electrical Engineering or related field 8+ years of experience in RF/microwave design
Strong understanding of transmission lines, impedance matching, S-parameters, and EM theory
Hands-on experience with RF test equipment (VNA, spectrum analyzer, power meters)
Experience designing multilayer RF PCBs and working with controlled impedance structures
Familiarity with high-frequency PCB materials and stack-up design

Preferred Qualifications:

Experience with mmWave or high-frequency (>10 GHz) designs
Knowledge of hermetic and high-reliability packaging techniques
Experience with LTCC, hybrid circuits, or module-level RF design
Familiarity with military and aerospace standards (MIL-STD, IPC Class 3)
Experience designing for harsh environments (temperature, vibration, radiation)

Key Skills:

RF circuit simulation and modeling
Signal integrity and power integrity analysisPCB layout guidance for RF performance
Debugging and root cause analysis
Strong communication and customer interaction skills

Due to ITAR and / or CUI compliance, this position requires candidates to be a U.S. Citizen. Powered by JazzHRR5cplPYP75

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