Senior RF Design Engineer – RFID / Wireless Systems

TechRuiter; New York (NY); Hybrid; USD 120,000 - 190,000; Full time

Job summary

TechRuiter is seeking an Senior RF Design Engineer – RFID / Wireless Systems in New York. The role covers board-level RF circuit and antenna design from architecture to lab bring-up, with 800MHz–8GHz operation. You will innovate at the cutting edge of location tech and help generate patents.

The position requires hands-on testing, design for RF power amplifiers, and collaboration with suppliers and internal teams. Hybrid work with Long Island presence is required.

Qualifications

• Board level RF circuit design experience required.
• RF impedance matching knowledge and Smith chart understanding.
• Antenna design and measurement experience required.
• Familiarity with VNA, spectrum analyzers, oscilloscopes, RF power meters.
• Experience with Class A/AB power amplifiers (up to 5W).
• Hands-on testing, troubleshooting, and soldering skills.
• RF simulation experience with ADS/CST required.

Responsibilities

• Design RF receivers, transmitters, and antennas for 800MHz–8GHz.
• Own RF system implementation through product design cycle.
• Design power supplies and supporting circuits.
• Prototype, debug, and perform root-cause analysis in lab.
• Collaborate with internal teams and external JDM/CMs to bring RFID products to market.
• Support EMI/EMC testing and validation.
• Develop RF design solutions and contribute to roadmaps.
• Draft specifications and input for product requirements.
• Focus on quality improvements across RF projects.

Skills

RF circuit design

Antenna design

RF impedance matching

VNA/Spectrum analyzer/Oscilloscope/ RF

Power amplifiers (Class A/AB up to 5W)

RF simulation software (ADS/CST)

Hands-on testing/soldering

RF design for RFID/Wireless systems

Education

Bachelor's degree in Electrical Engineering

Master's degree in Electrical Engineering

Tools

ADS

CST

Job description

Senior RF Design Engineer – RFID / Wireless Systems

Posted On 10/24/2026

Job Description

As an Advanced RF/Antenna Engineer, you will own highly complex, board-level RF circuit and antenna designs from initial architecture and simulation through to lab debugging, regulatory compliance, and global factory bring-up. You are responsible for designing transmitters, receivers, and Antennas in the 800MHz to 8GHz range, In this hands-on role you will have the ability to innovate at the cutting edge of location technology and actively generate high-impact patents.

This role requires a minimum of 3-days per week in Long Island, 2 days remote (US).

Job Responsibilities:

• RF Receiver, Transmitter, and Antenna design, analysis and product integration.
  
• Conducts RF system implementation throughout a product design cycle.
  
• Designs Power Supplies, and other supporting circuits.
  
• Handles part selection, prototyping, factory bring up and lab bench debug and root cause analysis.
  
• Works with internal cross-functional teams and external JDM/CMs to successfully bring RFID products to market.
  
• Supports EMI/EMC trouble shooting and validation.
  
• Architects, designs, and supports development, and testing of RF design solutions to several highly- complex technical projects.
  
• Creates specifications and provides input for product requirements.
  
• Contributes to technology roadmap process.
  
• Prioritizes quality and seeks out improvements in all aspects of the RF projects.
  

Qualifications:

• Bachelor's degree and 5+ years' experience or Master's degree and 4+ years' experience
  
• Experience with board level RF circuit design required
  
• Must have RF Impedance Matching experience and understanding of Smith Chart for RF Design
  
• Experience with Antenna design and measurements required
  
• Must be familiar with VNA’s, Spectrum Analyzers, Oscilloscopes, RF Power Meters.
  
• Must have some design experience with Class A/AB Power Amplifiers (up to 5W)
  
• Ability to work hands on (direct testing/troubleshooting/matching/soldering) required
  
• Experience with RF Simulation Software (i.e. ADS/CST) required
  

Preferred Requirements:

• Familiarity with Power Supply Regulator design as it pertains to RF Circuits/Power Amplifiers
  
• Prior knowledge of schematic capture and PCB layout viewer (for layout reviews)
  
• RF design experience in the 800MHz to 8GHz range
  
• RF Design experience for UHF RFID Readers a big plus
  
• Familiar with RF Receiver design and measurements.
  
• Experience with ADS, CST, Cadence design tools
  
• Experience with WWAN/BLE/Wi-Fi/LoRa/GPS RF design