46 Radio Frequency Engineer jobs in Singapore

Senior Radio Frequency Design Engineer
About Doodle Labs
Doodle Labs is the global leader in high-performance private wireless systems. We build cutting-edge mesh networks for robotics, drones, and the Industrial Internet of Things. Doodle Labs has experienced rapid growth over the past five years as our radio systems have been adopted by Fortune 500 companies (e.g. Airbus, General Electric) and industry-leading innovators (e.g. Boston Dynamics, FLIR).
Your Opportunity
Doodle Labs develops market-leading broadband mesh radios. Products include handheld mesh hotspots (Wearable Smart Radio) and tiny embedded multi-band radios for robots (Helix). Your opportunity is to build novel RF products while implementing Doodle Labs’ patented RF techniques. You will design and develop next generation wireless communication systems utilizing Wi-Fi 4/5/6/6E chipsets and protocols. As a senior member of the engineering team, you’ll have the opportunity to lead projects with the support of a cross-functional team of RF engineers, technicians, software engineers, etc.
Job Description
Perform detailed radio frequency translation plans and architectures
Evaluate gain, noise parameters (NF, SNR), dynamic range, linearity, and power consumption analyses to execute a predictable, robust design
Collaborate with CAD engineers and drive PCB implementation of the design with emphasis on clean power supply design, interconnect design for required EMI and RF transmission performance
Participate in design reviews and prepare design documentations at every stage of development until the final prototype test and characterization
Perform parametric evaluation of transceivers, like Pout, IMD/IP3, EVM, noise parameters with spectrum analyser, modulation analyser and perform wireless link level functional evaluation to complete the product characterization
Collaborate with product engineers for various certification procedures and NPI, followed by the Transfer of Technology (ToT) for large quantity production
Job Requirements
Bachelor’s, Master’s, or PhD in Electronics Communication Engineering or Digital Communication Engineering
Minimum 8 year of experience as a RF system hardware with proven track record of meeting industry delivery standards in the relevant areas
Good interpersonal and creative skills with the ability to multitask in a demanding and fast paced environment
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About Doodle Labs

Doodle Labs is the global leader in high-performance private wireless systems. We build cutting-edge mesh networks for robotics, drones, and the Industrial Internet of Things. Doodle Labs has experienced rapid growth over the past five years as our radio systems have been adopted by Fortune 500 companies (e.g. Airbus, General Electric) and industry-leading innovators (e.g. Boston Dynamics, FLIR).

Your Opportunity

Doodle Labs develops market-leading broadband mesh radios. Products include handheld mesh hotspots (Wearable Smart Radio) and tiny embedded multi-band radios for robots (Helix). Your opportunity is to build novel RF products while implementing Doodle Labs' patented RF techniques. You will design, simulate, validate, and optimize power amplifier circuits operating between 0.2 and 7 GHz, with output power up to 50W. This role will be hands-on with testing, debugging, load-pull analysis, and documentation, and will require deep collaboration with system and hardware teams to deliver high-performance modules for advanced wireless systems.

Job Description

1. Design and Develop PA Circuits

• Lead PA module development including topology selection, schematic capture, and PCB layout.
• Design for efficiency, gain, and linearity across a broad frequency spectrum.
• Apply advanced impedance matching, stability analysis, and EM simulation techniques.

2. Simulation and Validation

• Use simulation tools such as ADS, AWR, and optionally HFSS or CST for circuit and electromagnetic analysis.
• Perform load-pull measurements, S-parameter analysis, and linearity testing.
• Validate designs in the lab using VNAs, spectrum analyzers, signal generators, and power meters.

3. Collaborate Across Teams

• Work closely with PCB layout engineers to ensure best practices in high-frequency design.
• Coordinate with system architects and digital/RF engineers to meet product specifications.
• Support product engineering with documentation, design reviews, and lessons learned.

4. Deliver Key Milestones

• First 30 Days: Familiarize with existing PA architectures, tools, and lab setup. Begin schematic-level design of new PA circuit.
• First 60 Days: Complete first-pass design, initiate simulations, and guide initial PCB layout.
• First 90 Days: Validate the prototype in lab conditions; perform debugging, tuning, and generate a detailed test and evaluation report.

Job Requirements

• Degree in Electrical Engineering, RF Engineering, or a related field.
• 5+ years in RF PA circuit design and validation.
• Hands-on experience with RF power amplifier development, including load-pull, impedance matching, and performance tuning.
• Proficient in RF simulation tools (ADS, AWR) and experienced with EM solvers (HFSS or CST a plus).
• Skilled in testing with lab instruments such as VNAs, spectrum analyzers, and RF signal generators.
• Proven ability to work with layout, digital, and product engineering teams.
• Committed to robust documentation and iterative improvement.

Radio Frequency Power Amplifier Design Engineer
About Doodle Labs
Doodle Labs is the global leader in high-performance private wireless systems. We build cutting-edge mesh networks for robotics, drones, and the Industrial Internet of Things. Doodle Labs has experienced rapid growth over the past five years as our radio systems have been adopted by Fortune 500 companies (e.g. Airbus, General Electric) and industry-leading innovators (e.g. Boston Dynamics, FLIR).
Your Opportunity
Doodle Labs develops market-leading broadband mesh radios. Products include handheld mesh hotspots (Wearable Smart Radio) and tiny embedded multi-band radios for robots (Helix). Your opportunity is to build novel RF products while implementing Doodle Labs’ patented RF techniques. You will design, simulate, validate, and optimize power amplifier circuits operating between 0.2 and 7 GHz, with output power up to 50W. This role will be hands-on with testing, debugging, load-pull analysis, and documentation, and will require deep collaboration with system and hardware teams to deliver high-performance modules for advanced wireless systems.
Job Description
1. Design and Develop PA Circuits
Lead PA module development including topology selection, schematic capture, and PCB layout.
Design for efficiency, gain, and linearity across a broad frequency spectrum.
Apply advanced impedance matching, stability analysis, and EM simulation techniques.
2. Simulation and Validation
Use simulation tools such as ADS, AWR, and optionally HFSS or CST for circuit and electromagnetic analysis.
Perform load-pull measurements, S-parameter analysis, and linearity testing.
Validate designs in the lab using VNAs, spectrum analyzers, signal generators, and power meters.
3. Collaborate Across Teams
Work closely with PCB layout engineers to ensure best practices in high-frequency design.
Coordinate with system architects and digital/RF engineers to meet product specifications.
Support product engineering with documentation, design reviews, and lessons learned.
4. Deliver Key Milestones
First 30 Days:
Familiarize with existing PA architectures, tools, and lab setup. Begin schematic-level design of new PA circuit.
First 60 Days:
Complete first-pass design, initiate simulations, and guide initial PCB layout.
First 90 Days:
Validate the prototype in lab conditions; perform debugging, tuning, and generate a detailed test and evaluation report.
Job Requirements
Degree in Electrical Engineering, RF Engineering, or a related field.
5+ years in RF PA circuit design and validation.
Hands-on experience with RF power amplifier development, including load-pull, impedance matching, and performance tuning.
Proficient in RF simulation tools (ADS, AWR) and experienced with EM solvers (HFSS or CST a plus).
Skilled in testing with lab instruments such as VNAs, spectrum analyzers, and RF signal generators.
Proven ability to work with layout, digital, and product engineering teams.
Committed to robust documentation and iterative improvement.
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This role involves guiding a high-impact team at the intersection of software, hardware, and wireless communications. You will be responsible for leading technical teams working on various projects related to wireless networks.

1. Establish the overall technology strategy and direction for the team.
2. Mentor and coach engineers to improve their skills and performance.
3. Collaborate with cross-functional teams to ensure alignment and successful project delivery.

• Proven experience in leading technical teams and driving innovation in wireless communication technologies.
• Strong understanding of software development lifecycle practices and methodologies.
• Excellent leadership and communication skills.

• Technical Leadership: Proven track record of delivering complex technical projects.
• Wireless Expertise: Experience working with wireless communication protocols and standards.

Position: Radio Frequency (RF) Engineer (Full Time) Location: Singapore

Job Overview Seeking an RF Engineer specializing in Power Amplifier (PA) Design to develop high-efficiency, high-linearity RF PA modules (0.2–7 GHz, up to 50W) from concept to production. Collaborate with system and hardware teams to deliver advanced wireless systems.

Key Responsibilities

• Design PA Circuits : Lead topology selection, schematic capture, PCB layout, focusing on efficiency, gain, and linearity.
• Simulation & Validation : Use ADS, AWR, HFSS, or CST for circuit/EM analysis; conduct load-pull, S-parameter, and linearity tests with VNAs, spectrum analyzers, and power meters.
• Team Collaboration : Work with PCB layout, digital, and system engineers to meet specs and support documentation.
• Milestones :30 Days: Learn PA architectures, tools, and begin schematic design.

60 Days: Complete initial design, simulations, and guide PCB layout.

90 Days: Validate prototype, debug, tune, and deliver test report.

Qualifications

• Degree in Electrical/RF Engineering.
• 5+ years in RF PA design and validation.
• Proficient in RF simulation tools (ADS, AWR; HFSS/CST a plus).
• Skilled in lab testing with RF instruments.
• Strong collaborator with attention to detail.

Position: Radio Frequency (RF) Engineer (Full Time) Location: Singapore

Job OverviewSeeking an RF Engineer specializing in Power Amplifier (PA) Design to develop high-efficiency, high-linearity RF PA modules (0.2–7 GHz, up to 50W) from concept to production. Collaborate with system and hardware teams to deliver advanced wireless systems.

Key Responsibilities

• Design PA Circuits: Lead topology selection, schematic capture, PCB layout, focusing on efficiency, gain, and linearity.
• Simulation & Validation: Use ADS, AWR, HFSS, or CST for circuit/EM analysis; conduct load-pull, S-parameter, and linearity tests with VNAs, spectrum analyzers, and power meters.
• Team Collaboration: Work with PCB layout, digital, and system engineers to meet specs and support documentation.
• Milestones:30 Days: Learn PA architectures, tools, and begin schematic design.
  
  60 Days: Complete initial design, simulations, and guide PCB layout.
  
  90 Days: Validate prototype, debug, tune, and deliver test report.
  
  

Qualifications

• Degree in Electrical/RF Engineering.
• 5+ years in RF PA design and validation.
• Proficient in RF simulation tools (ADS, AWR; HFSS/CST a plus).
• Skilled in lab testing with RF instruments.
• Strong collaborator with attention to detail.

Position: Radio Frequency (RF) Engineer (Full Time)
Location: Singapore
Job Overview
Seeking an RF Engineer specializing in Power Amplifier (PA) Design to develop high-efficiency, high-linearity RF PA modules (0.2–7 GHz, up to 50W) from concept to production. Collaborate with system and hardware teams to deliver advanced wireless systems.
Key Responsibilities
Design PA Circuits:
Lead topology selection, schematic capture, PCB layout, focusing on efficiency, gain, and linearity.
Simulation & Validation:
Use ADS, AWR, HFSS, or CST for circuit/EM analysis; conduct load-pull, S-parameter, and linearity tests with VNAs, spectrum analyzers, and power meters.
Team Collaboration:
Work with PCB layout, digital, and system engineers to meet specs and support documentation.
Milestones:
30 Days: Learn PA architectures, tools, and begin schematic design.
60 Days: Complete initial design, simulations, and guide PCB layout.
90 Days: Validate prototype, debug, tune, and deliver test report.
Qualifications
Degree in Electrical/RF Engineering.
5+ years in RF PA design and validation.
Proficient in RF simulation tools (ADS, AWR; HFSS/CST a plus).
Skilled in lab testing with RF instruments.
Strong collaborator with attention to detail.
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Job Overview:
We are looking for a skilled RF Power Amplifier Design Engineer to lead the design, simulation, and validation of high-performance PA circuits. The ideal candidate will have hands-on experience in RF design, impedance matching, and lab testing, with strong collaboration skills across engineering teams.
Key Responsibilities:
Design and develop PA circuits focusing on efficiency, gain, and linearity.
Perform schematic capture, simulations (ADS, AWR; HFSS/CST a plus), and guide PCB layout.
Conduct lab validation using VNAs, spectrum analyzers, and signal generators.
Collaborate with system architects, RF/digital engineers, and layout teams.
Deliver prototypes and support product development with documentation and testing.
Qualifications:
Proven experience in RF PA design and development.
Proficient in RF simulation tools (ADS, AWR); EM tools like HFSS/CST are a plus.
Strong understanding of impedance matching, load-pull, and stability analysis.
Hands-on lab testing skills with RF instruments.
Excellent teamwork and communication skills.
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Joining Razer will place you on a global mission to revolutionize the way the world games. Razer is
a place to do great work , offering you the opportunity to make an impact globally while working across a global team located across 5 continents. Razer is also
a great place to work,
providing you the unique, gamer-centric #LifeAtRazer experience that will put you in an accelerated growth, both personally and professionally.
Job Responsibilities :
We are seeking a skilled RF Engineer to design and validate the wireless systems for next‐generation gaming peripherals, including wireless mice, keyboards, and headsets.
RF & Antenna Design
Design and optimize
RF front-end circuits
for 2.4GHz and Bluetooth/BLE devices.
Perform
antenna design, tuning, and integration
in compact mechanical enclosures.
Work with suppliers to simulate and analyze
RF performance.
Wireless System Design
Support
system-level architecture
for wireless gaming peripherals.
Contribute to
low-latency, low-power, and multi-device connectivity solutions .
Work closely with
firmware and system engineers
to ensure robust wireless performance.
Testing & Validation
Conduct
RF and antenna performance tests
including sensitivity, output power, SNR, EVM, OTA range, latency, and coexistence with Wi-Fi and Bluetooth devices.
Support
EMC/EMI compliance testing
and
regulatory certifications (FCC, CE, IC, SRRC) .
Analyze
wireless system issues
and drive
design improvements .
Collaboration & Documentation
Work with
mechanical teams
to ensure optimal antenna placement.
Create
test reports and design documentation
to support product development and mass production.
Support
production testing and validation
for wireless performance consistency.
Pre-Requisites :
Degree in Electrical/Electronics Engineering, with a focus on RF or Wireless Communications
Minimum 5 years of experience in RF and antenna design, preferably in gaming peripherals or consumer electronics
Proficient in RF front-end and antenna design for 2.4GHz/Bluetooth BLE, with strong simulation and tuning skills
Familiar with low-latency, low-power wireless system architecture and multi-device connectivity
Hands-on experience in RF testing: sensitivity, output power, OTA range/latency, and coexistence with Wi-Fi/Bluetooth
Knowledge of EMC/EMI compliance and global regulatory certifications (FCC, CE, etc.)
Able to collaborate with firmware, mechanical, and product teams to ensure robust wireless performance
Strong documentation and troubleshooting skills; experience supporting mass production is a plus
Passion for gaming and wireless innovation in high-performance environments
Are you game?
At Razer, you'll be at the forefront of the most exciting industry in the world — gaming. Evolving forms of gaming require evolving forms of hardware, software and services. That’s where Razer comes in, offering innovative top-of-the-line products and services to allow gamers to fully immerse in the ultimate gaming experience.
Getting onboard Razer will place you on a global mission to bring gamers closer to the games they love. Razer is a place to do great work, offering you the opportunity to be a part of a global team across 11 countries. Whether you are a hardcore evangelist who breathes life into the latest and greatest gaming gear or a behind-the-scenes hero who runs our global operations, you are assured of a career-changing quest that transcends time zones and cultures with one single spell: For Gamers. By Gamers.
The journey towards phenomenal-ness won’t come easy. However, we will excel because gamers rely on teamwork. We achieve greatness because we are wicked problem-solvers and tenacious in clinching victories in all that we do. It is the team that makes Razer where it is today and will continue to bring Razer to even greater heights.
Razer is proud to be certified as a Great Place to Work in both United States and Singapore. This is a testament to our commitment to make your quest at Razer a rewarding one.
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