37 Rf Engineer jobs in Singapore

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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Overview
Lead RF Engineer role at
Doodle Labs . Doodle Labs is a fast-growing technology leader in advanced wireless solutions for robotics and defense applications. We are looking for an experienced Design Engineer who can own the end-to-end development of Wi-Fi-based hardware systems — from concept to production — while leading a cross-functional engineering team to deliver world-class products.
What You'll Do
Design & Deliver complete digital, analog, and RF hardware systems based on Wi-Fi IC solutions.
Produce schematics, BOM, Gerber files, and PCBA.
Achieve working prototypes within 6–9 months.
Test & Verify system performance.
Execute RF and signal parameter testing with spectrum analyzer, power meter, LitePoint, R&S testers, and other tools.
Meet 802.11 standards.
Handover to production within 3 months post-verification.
Lead a Cross-Functional Team (Hardware, Software, Mechanical).
Define architecture, create project plans, track milestones.
Mentor engineers in best practices and problem-solving.
Partner with Manufacturing
Oversee PCBA bring-up, test, calibration, QA, and production readiness.
Solve Complex Technical Challenges
High-frequency circuit design, RF optimization, and evolving customer requirements.
What You'll Bring
Strong track record in RF, digital, and analog hardware design.
Experience in guiding schematic capture, BOM, Gerber, and PCBA bring-up.
Proficiency in RF/Wi-Fi system testing and troubleshooting.
Leadership skills to guide cross-functional engineering teams.
Familiarity with RF instruments, LitePoint, R&S testers, Ubuntu platforms.
Comfort working in fast-paced, resource-constrained environments.
Why join us?
Be at the forefront of robotics and defense tech innovation.
Take full ownership of projects from concept to production.
Collaborate with a highly skilled, diverse, and agile team.
Work in a fast-growing company with global impact.
Seniority level
Director
Employment type
Full-time
Job function
Engineering and Information Technology
Industries
Wireless Services
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RF Engineer – Power Amplifier Design
Location:
On site
Company:
Doodle Labs – Robotics and Defense Technology
About Doodle Labs
Doodle Labs is a fast-growing technology company at the forefront of robotics and defense innovation. We build mission-critical communication systems that enable autonomous systems to operate in challenging environments. Our solutions are deployed worldwide in defense, industrial, and commercial applications, providing robust connectivity in demanding conditions.
We are seeking a
Radio Frequency (RF) Engineer
with a focus on
Power Amplifier (PA) Design
to lead the development of high-efficiency, high-linearity RF PA modules from concept through to production.
About the Job
The
RF Engineer – PA Design
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.
What You’ll Do
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.
Who You Are
PA Design Expert:
Hands-on experience with RF power amplifier development, including load-pull, impedance matching, and performance tuning.
Tool Savvy:
Proficient in RF simulation tools (ADS, AWR) and experienced with EM solvers (HFSS or CST a plus).
Lab-Ready Engineer:
Skilled in testing with lab instruments such as VNAs, spectrum analyzers, and RF signal generators.
Cross-Functional Collaborator:
Proven ability to work with layout, digital, and product engineering teams.
Detail-Oriented Designer:
Committed to robust documentation and iterative improvement.
Why Join Us?
High-Impact Role:
Help define the next generation of high-performance wireless systems.
Innovation Environment:
Solve advanced RF engineering challenges in a collaborative setting.
Career Growth:
Work at the intersection of RF design, systems engineering, and product development.
Mission-Critical Tech:
Build solutions that matter for defense, robotics, and industrial autonomy.
Required Qualifications
Education:
Degree in Electrical Engineering, RF Engineering, or a related field.
Experience:
5+ years in RF PA circuit design and validation.
Are you ready to amplify your impact? Join Doodle Labs and shape the performance of tomorrow’s wireless communication systems.
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Communications And Signal Processing Engineer
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Communications And Signal Processing Engineer
role at
DSO National Laboratories
Communications And Signal Processing Engineer
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Join to apply for the
Communications And Signal Processing Engineer
role at
DSO National Laboratories
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Job Description
DSO National Laboratories (DSO) is Singapore's largest defence research and development (R&D) organisation, with the critical mission to develop technological solutions to sharpen the cutting edge of Singapore's national security. At DSO, you will develop more than just a career. This is where you will make a real impact and shape the future of defence across the spectrum of air, land, sea, space and cyberspace.
Job Description
DSO National Laboratories (DSO) is Singapore's largest defence research and development (R&D) organisation, with the critical mission to develop technological solutions to sharpen the cutting edge of Singapore's national security. At DSO, you will develop more than just a career. This is where you will make a real impact and shape the future of defence across the spectrum of air, land, sea, space and cyberspace.
The Electronic Systems Division advances electronic warfare systems with radio frequency and micro-electronics technologies and provides electromagnetic superiority.
People are DSO’s greatest asset. You will get to realise your career aspirations and develop your own niche either as a deep technical expert or a leader in the team. With frequent career dialogues and a robust training and development framework, we will provide you with the necessary development tools for you to reach your potential. You will also be recognised and rewarded through competitive remuneration packages and scholarship opportunities.
Communications and Signal Processing Engineer
In This Role, You Will
Be part of a dynamic team that designs and develops advanced wireless communication systems
Conduct applied research and development in wireless communications, signal processing and wireless protocols
Opportunities for exposure to emerging communications technologies, and communications systems analysis, design and simulation
Job Requirements
PhD / Masters / Bachelor’s Degree in Computer Science / Electrical and Electronics Engineering / Computer Engineering
Experience with programming languages such as C,C++, Python and MATLAB
Background in signal processing and wireless communications
Knowledge in communication networks such as cellular and satellite and AI/ML will be advantageous
Motivated individual who is able to work in a fast-paced team-based environment
Strong analytical and problem-solving skills, with the passion to solve complex technical challenges
Seniority level
Seniority level Entry level
Employment type
Employment type Full-time
Job function
Job function Other
Industries Defense and Space Manufacturing
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Image Signal Processing Algorithm Engineer
On behalf of Huawei, a world-renowned information and communication technology company, we are seeking passionate and talented individuals to join our team as Image Signal Processing Algorithm Engineer.
Responsibilities :
Research in image/video signal processing algorithms like noise removal, image enhancement, signal processing for digital cameras.
Perform research into leading edge and emerging video technologies, ideas, approaches and keep up to date with new video processing standards and general industry trends.
Pruning, model optimization, and deployment of AI-based video/image processing algorithms on chipset.
Machine vision-oriented video/image enhancement algorithm research and development.
C-model simulation for image/video signal processing algorithm development and verification.
Ability to express ideas and communicate effectively.
Any of the following skills and experiences would be an added advantage:
Video algorithms for pre-processing, post-processing, video sharpening, temporal/spatial noise reduction, color consistency, etc.
Key image processing algorithms for Camera Signal Processing cores.
Qualifications :
PhD relevant experiences (fresh PhD graduates) are welcome to apply.
Basic knowledge in digital signal processing and AI based low-level computer vision approaches.
For deep learning projects, familiar with at least one deep learning framework such as TensorFlow, PyTorch, etc.
Working knowledge of C/C++ and/or OpenCV.
Familiarity with ASIC design approach and environment will be an advantage.
Seniority level
Mid-Senior level
Employment type
Full-time
Job function
Signal Processing / Algorithm Engineering
Industries
IT Services and IT Consulting
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We invite result oriented, independent, and self-motivated professionals to join our team.
Job Description
Design and develop RF and Baseband electronic circuit for wireless and networking product.
Design including Schematic, PCB and new components selection for wireless product.
Leads in prototyping built, evaluation and verification.
Create and maintain design document
Provide technical support and transfer product for manufacturing during pilot run and existing product.
Provide customer RMA support.
In-charge of Product Regulatory Certifications
Perform field trial for new products
Support product trial at customer site
Project Management
Liaise with suppliers and internal team during product development stage
Liaise with customers on aftermarket feedback and improvement
Job Requirements
Degree/Diploma in Electronic Engineering.
Experience in radio or microwave circuit design
Experience in CAD tools.
Experience in product design and regulatory certification
Minimum 3 years’ experience in respective areas.
Fresh graduate with high interest in RF circuitry and relevant background are welcome.
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Overview
About ST Engineering
is a global technology, defence, and engineering group with offices across Asia, Europe, the Middle East, and the U.S., serving customers in more than 100 countries. The Group uses technology and innovation to solve real-world problems and improve lives through its diverse portfolio of businesses across the aerospace, smart city, defence, and public security segments. Headquartered in Singapore, ST Engineering ranks among the largest companies listed on the Singapore Exchange.
Our history spans more than 50 years, and our strategy is underpinned by our core values – Integrity, Value Creation, Courage, Commitment and Compassion. These 5 core values guide every aspect of our business and are embedded in our ST Engineering culture – from the people we hire, to working with each other, to our partners and customers.
About our Business – Advanced Networks & Sensors
Our
Advanced Networks & Sensors
business specializes in platform digitalization, advanced connectivity, and cutting-edge manufacturing. This diversity of capabilities presents a range of roles through which you can contribute to the development of innovative, secure, and patented products. Join our team and play a crucial role in developing tomorrow’s technology and connectivity solutions and services to sectors spanning defence, public security, government, and the commercial realm. Your work will have a global impact as we empower customers through advanced communications, intelligent sensors, and the deployment of AI-enabled Edge applications for mission-critical roles.
Together, We Can Make A Significant Impact
The
RF / Microwave Engineer
will focus on the design, testing, and integration of RF/Microwave systems and components, ensuring they meet performance and functionality standards. The role involves collaborating with vendors, troubleshooting, and contributing to system documentation. You will also support system qualification and delivery, with potential for on-site customer involvement over an extended period
Be Part of Our Success
Responsibilities
Involved in the design, analysis and testing of RF/Microwave components and systems to support the functionality of the main System for the Customer.
Work with various subcontractors and vendors to source for the required COTS components to build and test the RF/ Microwave subsystems.
Conduct performance testing, measurement and troubleshooting of the RF/ Microwave components and systems in lab and field environments.
Develop the test plans, procedures and reports to validate the RF/ Microwave components and subsystems.
Contribute to the preparation of technical documentation, reports and design specifications and drawings.
Involved in the System installation, checkout, integration and testing activities leading to System Qualification testing and delivery to the Customer.
Qualifications
Knowledge in Electrical and Electronics Engineering, or RF/ Microwave Engineering or equivalent.
Minimum 2 years of relevant experience
Good knowledge of RF/ Microwave circuits and components. These components may include pulsed power amplifiers, circulator, isolator, waveguides and antennas.
Competency in RF/ Microwave simulation software and tools e.g. CST Microwave Studio, ANSYS High Frequency System Simulator or Keysight ADS, will be an advantage.
Hands-on experience with RF/ Microwave measurement equipment e.g. Spectrum Analyzer, Power Meter, Vector Network Analyzer, Digital Oscilloscope.
Strong problem solving, analytical and troubleshooting skills.
Able to be hands on and work as a team player. Some of the work may be done outdoors and at Customer site.
Willing to be attached to the Customer’s premises for at least 24 months.
Singaporean only
Benefits
An environment where you will be working on cutting-edge technologies and architectures.
Safe space where diverse perspectives are valued, and everyone’s unique contributions are celebrated.
Meaningful work and projects that make a difference in people’s lives.
A fun, passionate and collaborative workplace.
Competitive remuneration and comprehensive benefits.
Location: Jurong East / Ang Mo Kio
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Job Description
Industry/ Organization Type: Biomedical / R&D
Position Title:
RF / Microwave Engineer (Biomedical Applications)
Working Location: West - Boon Lay
Working Hours: 5 days / Mon to Fri: 9AM - 6PM
Salary Package:
Up to $6,000
Duration: Permanent
Key Responsibilities
Create and engineer microwave sensors and RF components tailored for biomedical applications.
Use electromagnetic simulation tools to model and refine antenna designs and microwave components.
Perform experimental testing and validation to ensure designs meet specifications and performance criteria.
Work closely with cross-functional teams to incorporate RF solutions into biomedical device systems.
Evaluate measurement data and offer technical suggestions to enhance design performance.
Maintain thorough documentation of design workflows, testing protocols, and results to comply with regulatory standards.
Keep abreast of the latest industry developments and emerging technologies in RF/microwave engineering and biomedical fields.
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