Radio Frequency Design Engineer

Zodiac Solutions, Inc; Melbourne (FL); On-site; USD 90,000 - 130,000; Full time

Job summary

Zodiac Solutions, Inc. is seeking an experienced RF Design Engineer to lead the design, development, and validation of RF circuits and front-end modules in a hands-on role.

You will optimize LNAs, amplifiers, filters, mixers, and PLLs while collaborating with cross-functional teams to ensure robust, production-ready hardware. The role requires strong RF testing skills using VNAs, spectrum analyzers, scopes, and signal generators.

Qualifications

• Experience in RF circuit design, development, testing, and troubleshooting RF circuits.
• Hands-on hardware experience with transmitters, receivers and RF front-end modules.
• Familiarity with RF components such as LNAs, power amplifiers, filters, mixers, oscillators, PLLs, and RF switches.

Responsibilities

• Design and develop RF circuits, transmitters, receivers, and RF front-end modules.
• Design and optimize RF components such as LNAs, power amplifiers, filters, mixers, oscillators, PLLs, and RF switches.
• Perform RF circuit simulations, impedance matching, and performance optimization.
• Analyse key RF parameters, including gain, noise figure, return loss, insertion loss, VSWR, bandwidth, linearity, and phase noise.
• Develop schematics and support RF PCB layout, component selection, and design reviews.
• Conduct laboratory testing, characterization, debugging, and validation of RF hardware.
• Use RF test equipment such as vector network analyzers (VNA), spectrum analyzers, signal generators, power meters, and oscilloscopes.
• Troubleshoot RF performance issues and implement corrective design improvements.
• Prepare technical specifications, simulation reports, test plans, and design documentation.
• Collaborate with hardware, PCB layout, mechanical, manufacturing, and system engineering teams.
• Support prototype development, product qualification, and production testing.

Skills

RF design

Impedance matching

RF testing

Simulation

Tools

Vector network analyzer

Oscilloscope

Spectrum analyzer

Power meter

Signal generator

Job description

We are seeking an experienced RF Design Engineer with strong hands‑on experience in Radio Frequency (RF) circuit design and hardware development. The ideal candidate will have expertise in designing, developing, testing, and troubleshooting RF circuits, components, transmitters, receivers, and RF front‑end modules.

Key Responsibilities

• Design and develop RF circuits, transmitters, receivers, and RF front‑end modules.
• Design and optimize RF components such as LNAs, power amplifiers, filters, mixers, oscillators, PLLs, and RF switches.
• Perform RF circuit simulations, impedance matching, and performance optimization.
• Analyse key RF parameters, including gain, noise figure, return loss, insertion loss, VSWR, bandwidth, linearity, and phase noise.
• Develop schematics and support RF PCB layout, component selection, and design reviews.
• Conduct laboratory testing, characterization, debugging, and validation of RF hardware.
• Use RF test equipment such as vector network analyzers (VNA), spectrum analyzers, signal generators, power meters, and oscilloscopes.
• Troubleshoot RF performance issues and implement corrective design improvements.
• Prepare technical specifications, simulation reports, test plans, and design documentation.
• Collaborate with hardware, PCB layout, mechanical, manufacturing, and system engineering teams.
• Support prototype development, product qualification, and production testing.