SuperApex LLC · 11 hours ago
RF/Microwave MMIC engineers
Greater Chicago Area
Full-time
Onsite
Entry, Mid Level
$85K/yr - $135K/yr
2+ years expSuperApex LLC is a leading designer and manufacturer of high-performance RF and microwave components serving the telecommunications, defense, and research industries. They are seeking a self-motivated and detail-oriented RF/Microwave MMIC Design Engineer to join their R&D team, responsible for designing, simulating, and characterizing MMICs and related RF subsystems.
Responsibilities
Design and simulate RF and microwave MMICs using GaAs/GaN technologies up to millimeter-wave frequencies
Perform linear and nonlinear circuit design, optimization, and EM co-simulation (e.g., with ADS, HFSS, CST)
Develop and validate models for active and passive components, including S-parameter and large-signal behavior
Collaborate with packaging and test teams to ensure design manufacturability and reliability
Conduct lab measurements and data analysis for design verification and performance validation
Prepare detailed technical documentation, simulation reports, and product datasheets
Contribute to new product introductions and continuous performance improvements
Qualification
Required
Bachelor's or Master's degree in Electrical Engineering, Microwave Engineering, or a related field
2+ years of experience in RF/Microwave or MMIC circuit design (GaAs or GaN preferred)
Proficiency in RF/microwave simulation tools (ADS, AWR Microwave Office, HFSS, CST, Momentum)
Strong foundation in amplifier design (LNA, driver, power), impedance matching, and bias network design
Familiarity with RF measurement equipment such as VNAs, spectrum analyzers, and noise figure meters
Ability to work independently, manage multiple projects efficiently, and meet deadlines
Strong teamwork and communication skills to collaborate effectively across R&D and production
Proven ability and willingness to learn quickly in a fast-paced, technically demanding environment
Preferred
Experience with Antenna-in-Package (AiP) or module-level integration
Familiarity with ISO 9001 workflows and technical documentation standards
Knowledge of III-V semiconductor processes (e.g., GaAs pHEMT, GaN HEMT)
Experience in high-frequency test automation using Keysight PathWave, BenchVue, or similar Keysight RF test environments
Proficiency with Keysight ADS for MMIC and RF circuit simulation
Benefits
Competitive compensation
Performance-based incentives
Company
SuperApex LLC
SuperApex, LLC is a U.S.-based leader in RF & microwave solutions—engineering innovative GaAs MMICs, GaN power amplifiers, microwave and millimeter-wave modules, and chip packaging for global clients across telecommunications, defense, aerospace, and industrial applications.
11-50 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase