Radio Frequency (RF) Engineer

W3Global; West Lafayette (IN); On-site; USD 90,000 - 120,000; Full time

Job summary

W3Global in West Lafayette, IN is seeking an experienced RF Engineer to design, test, and optimize RF filters and RF front-end systems for interference mitigation. The role emphasizes hands-on circuit design, lab validation, and real hardware implementation.

The ideal candidate will have 3+ years in RF engineering, strong knowledge of RF/microwave theory, and experience with HFSS/ADS or Microwave Office, plus proficiency with lab equipment such as spectrum analyzers and vector VNAs. on-site only.

Qualifications

• Bachelor's or Master's in Electrical/Electrical Engineering Technology or RF/Microwave Engineering.
• 3+ years of hands-on RF engineering experience.
• Experience designing and testing RF/microwave circuits and hardware.

Responsibilities

• Design and develop RF circuits and components including: RF filters, amplifiers, mixers, RF front-end circuits.
• Architect and simulate RF/microwave circuits.
• Apply electromagnetic and transmission-line principles to RF hardware design.
• Support RF hardware development from concept through production.
• Perform laboratory testing and validation of RF hardware.

Skills

RF circuit design

Electromagnetic fields

Transmission-line theory

RF filters

Amplifiers

Mixers

RF front-end systems

Wireless concepts

Education

Bachelor's or Master's in Electrical Engineering

Electrical Engineering Technology

RF/Microwave Engineering

Related engineering field

Tools

ANSYS HFSS

Keysight ADS

Microwave Office

Altium

Job description

Location: West Lafayette, IN

Work Arrangement: On-Site

Employment Type: Full-Time

Position Overview

We are seeking an experienced Radio Frequency (RF) Engineer to join an engineering team focused on the design, development, testing, and optimization of RF filters and RF front-end (RFFE) systems for interference mitigation.

The ideal candidate will have hands‑on experience with RF circuit design, microwave engineering, electromagnetic theory, RF simulation, laboratory testing, and hardware validation.

Key Responsibilities

RF Design & Development

• Design and develop RF circuits and components, including:
  • RF filters
  • Amplifiers
  • Mixers
  • RF front-end circuits
• Architect and simulate RF and microwave circuits.
• Apply electromagnetic and transmission‑line principles to RF hardware design.
• Support RF hardware development from initial concept through production.

RF Testing & Validation

• Perform laboratory testing and validation of RF hardware.
• Use RF test equipment such as:
  • Spectrum analyzers
  • Vector/network analyzers
  • Signal generators
  • Oscilloscopes
  • Probe stations
• Analyze RF performance and identify design or hardware issues.
• Develop test procedures and support automated testing where applicable.

Performance Optimization

Evaluate And Optimize Key RF Performance Parameters, Including

• Gain
• Noise figure
• VSWR
• Linearity
• Phase noise
• Frequency response
• RF signal performance

Cross-Functional Collaboration

• Work closely with systems engineers, firmware/software engineers, project managers, and customers.
• Support RF requirements definition, architecture, design reviews, testing, troubleshooting, and production.
• Communicate technical findings and recommendations to engineering and project teams.

Required Qualifications

Education

• Bachelor's or Master's degree in:
  • Electrical Engineering
  • Computer Engineering
  • Electrical Engineering Technology
  • RF/Microwave Engineering
  • or a related engineering field

Experience

• 3+ years of hands‑on RF engineering, RF hardware design, or wireless communications experience.
• Experience designing and testing RF/microwave circuits and hardware.
• Strong understanding of RF circuit design and electromagnetic principles.

Required Technical Skills

RF & Microwave Engineering

Strong Knowledge Of

• RF and microwave circuit design
• Electromagnetic fields
• Transmission‑line theory
• RF filters
• Amplifiers
• Mixers
• RF front-end systems
• Wireless communication concepts

RF Simulation & Design Tools

Hands‑on Experience With One Or More Of The Following

• ANSYS HFSS
• Keysight ADS
• Microwave Office
• Altium

Programming & Data Analysis

Experience With Scripting Or Engineering Analysis Tools Such As

• Python
• MATLAB
• Simulink

Experience using these tools for automated RF testing, data collection, analysis, or simulation is preferred.

Laboratory Equipment

Hands‑on Experience With

• Spectrum analyzers
• Network/vector network analyzers
• Signal generators
• Oscilloscopes
• Probe stations
• Other RF/microwave laboratory equipment

Ideal Candidate

The Ideal Candidate Will Have

• 3+ years of practical RF engineering experience.
• Strong RF/microwave circuit design knowledge.
• Experience designing and testing RF hardware.
• Hands‑on experience with RF laboratory equipment.
• Experience with RF simulation tools such as HFSS, ADS, or Microwave Office.
• Experience with Altium or similar PCB design tools.
• Strong understanding of RF performance measurements such as gain, noise figure, VSWR, linearity, and phase noise.
• Ability to troubleshoot hardware and optimize RF performance.
• Strong communication and collaboration skills.
• Ability to work in an on-site engineering/laboratory environment.