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Design Engineer III
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Ignite Human Capital
Naperville, IL (In Person)
Full-Time
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Job Description
Design Engineer III Ignite Human Capital Naperville, IL Job Details Full-time 23 hours ago Qualifications Electronics spectrum analysis Customer communication Telecommunications spectrum analyzers Electromagnetic theory Materials engineering within manufacturing Spectrum analyzer usage RF signal diagnostics Electrical engineering training Design engineering Printed circuit board (PCB) layout Radio frequency (RF) testing Full 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 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-up Qualifications Required 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 analysis PCB 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. R5cplPYP75