15 Radio Frequency Engineer jobs in Singapore

• Design, analyze, and simulate RF circuits and systems for communication applications such as cellular, satellite, radar, Wi-Fi, IoT etc
• Develop and integrate RF subsystems such as filters, antennas, amplifiers, mixers, and transceivers.
• Work on link budget analysis and RF propagation modeling to support communication system design.
• Conduct laboratory testing using spectrum analyzers, network analyzers, signal generators, and oscilloscopes.
• Optimize system performance by evaluating signal integrity, interference, and power efficiency.
• Support regulatory compliance efforts (e.g., FCC, ETSI, ITU) and documentations for certification.
• Provide technical support during system integration and field-testing phases.

• Relevant experience in RF engineering
• Experience with satellite or radar communication systems.
• Familiarity with software-defined radio (SDR) platforms.
• Knowledge of embedded systems and firmware for RF control.
• Understanding of RF theory, electromagnetic wave propagation, modulation techniques, and wireless protocols.
• Proficiency with simulation tools (e.g., CST, HFSS, ADS, MATLAB) and RF testing equipment.
• Experience with PCB layout for RF circuits and familiarity with design tools like Altium or Cadence.
• Knowledge of communication standards (e.g., LTE, 5G, Bluetooth, Zigbee, WLAN, GPS).

What You’ll Do

You will lead the design, testing, and production handover of advanced RF, digital, and analog hardware systems. Success means delivering fully functional, high-performance products — on time and to spec — while mentoring and guiding your team.

In Your First Year, You Will:

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 defence 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

Systems Engineer / Level 1

Skillset Category Common

Mandatory Skills Radio Frequency Engineering,

Preferred Skills 5G based Access Network,

Brief Job Description Job Scope

1. Perform RAN Preventive / Corrective maintenance work such as;

• Managing the daily operations and upkeep of RAN equipment.

• Diagnosing and resolving network issues to maintain performance.

• Implementing updates and upgrades for RAN components.

• Monitoring and enhancing the RAN's efficiency and effectiveness.

2. Perform RF Testing & Troubleshooting such as;

• Perform RF testing and optimization for Outdoor 4G and in future 5G in-building projects.

• Troubleshoot, design and plan of RF network coverage using of RF test tools e.g. Spectrum Analyzer etc.

3. Perform SYSCON operation

• Monitor and identify network failures, execute corrective actions, report and update customers, liaise with maintenance agencies and building owners, and assist in log retrieval.

• Service new UEs, update software, confirm failures, assist in tracking and remote wipe of lost UEs.

• Provide software support, basic troubleshooting, and escalate to application vendors when necessary.

4. General

• Support Project Team to meet project delivery milestone.

• Work with sub-contractors to ensure work quality & timely delivery.

• Prepare technical documentation and reports.

Qualification

• ITE, Diploma or equivalent academic qualification

• Positive work attitude and self-motivated, with a customer first mindset

• Good communicate skill

• Strong team player to work in a dynamic, fast-paced environment.

• Must-have

• Possess 3-years working experience in out-field operations, with at least 1-year relevant experience in the mobile network industry

• Possess experience in commissioning / maintaining of BTS equipment

• Possess Class 3 driving license

• Good to have

• Experience in RF Testing for indoor or outdoor is an advantage

• Experience working in Network Operation Centre (NOC)

We are seeking a skilled Electronics Engineer to join our team. The ideal candidate will have a strong foundation in analog and digital electronics, with the ability to design and develop innovative electronic circuits and modules.

The successful candidate will be responsible for:

• Designing and developing electronic circuits and modules for our products
• Developing firmware and software for embedded systems
• Collaborating with cross-functional teams to ensure seamless integration of components
• Conducting testing and analysis to optimize product performance

Requirements:

• Bachelor's degree or above in Electronic Engineering, Microelectronics, Automation Control, or related fields
• Strong foundation in analog and digital electronics
• Proficient in using electronic design software
• Excellent problem-solving skills and ability to innovate
• Experience in electronic design competitions or sensor-related projects is a plus

This is an exciting opportunity to shape the future of audio technology and improve lives through innovative engineering solutions.

Key skills required for this role include:

• Electronic circuit design
• Embedded systems development
• Team collaboration
• Problem-solving and innovation

We are seeking a highly skilled Electrical Engineer to join our team. The ideal candidate will have expertise in signal processing and wireless communication systems.

The successful candidate will be responsible for designing and developing advanced signal processing algorithms for use in land, maritime, defense, satellite and space applications.

Key Responsibilities:

• Designing and developing signal processing algorithms for wireless communication systems
• Conducting simulations on end-to-end system with various RF impairments and channel fading conditions
• System integration, implementation on FPGA, prototype bring-up, performance characterization and optimization
• Physical layer validation, field testing, debugging and troubleshooting

Requirements:

• Bachelor/Master/PhD in Electrical Engineering or similar field of studies with relevance to Info communication
• Good understanding of wireless communications system, signal processing techniques or RF system
• Experience in simulation tools, programming and scripting languages is a plus
• Thorough, disciplined, methodical, and good documentation habits

Benefits:

• Opportunity to work on exciting, demanding, and rewarding projects
• Chance to learn and grow on the job
• Collaborative and dynamic work environment

Additional Information:

• Excellent written and verbal communications skills
• Able to work independently as well as within a multi-cultural team
• Good analytical and problem-solving skills

Job Description

We are seeking a skilled DSP Engineer with an Embedded focus to join our team. The ideal candidate will have a strong understanding of DSP hardware, including memory management and processor pipeline optimization.

This role involves designing, developing, and validating DSP software, encompassing requirements analysis for algorithm implementation and supporting patent applications related to these algorithms.

The successful candidate will also collaborate with our Audio Research team to evaluate and benchmark advanced, proprietary speech/hearing algorithms developed in-house.

You will be responsible for:

• Converting signal processing concepts (theory or prototypes in MATLAB or C-Language) into algorithms to be implemented in embedded DSP or ARM processors.

• Understanding DSP hardware structures such as memory management and processor pipelines.

• DSP software development and validation, including requirements analysis for algorithm implementation, support for patent applications, and support for internal or external customers development.

You will work closely with members of the Audio Research team to evaluate and benchmark cutting-edge proprietary speech/hearing algorithms developed in-house that will be implemented across a range of our customers' high-volume audio product lines.

Job Description:

• Design, document and implement DSP audio software modules according to specified requirements of the DSP architecture

• Develop novel DSP based algorithms for embedded audio systems

• Collaborate with research team members and participate in research activities for speech/hearing algorithm implementation

• Work with sales/engineering teams in productization, verification, testing and patent application of newly developed algorithms

• Conduct design and code reviews with development team members

• Perform defect analysis and eliminate defects in developed solutions

• Adhere to the software development process defined for the development team

• Enhance or update existing software algorithms or effective algorithm feature improvements as needed

• Work well with company partners and vendors

Job Requirements:

• At least an engineering degree with exposure to signal processing applications

• Preferably 5 years of experience in embedded real-time firmware development with an emphasis on computational complexity

• Candidates with DSP development and implementation experience (focus on audio implementation) will be preferred

• Proficient in C/C++ and Shell scripting

**We are not using recruitment agencies. Please do not call.

Communications And Signal Processing Engineer
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Communications And Signal Processing Engineer
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DSO National Laboratories
Communications And Signal Processing Engineer
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Communications And Signal Processing Engineer
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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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You will be responsible for:
Converting signal processing concepts (theory or prototypes in MATLAB or C-Language) into algorithms to be implemented in embedded DSP or ARM processors.
Understanding DSP hardware structures such as memory management and processor pipelines.
DSP software development and validation, including requirements analysis for algorithm implementation, support for patent applications, and support for internal or external customers development.
You will work closely with members of the Audio Research team to evaluate and benchmark cutting-edge proprietary speech/hearing algorithms developed in-house that will be implemented across a range of our customers' high-volume audio product lines.
Job Description:
Design, document and implement DSP audio software modules according to specified requirements of the DSP architecture
Develop novel DSP based algorithms for embedded audio systems
Collaborate with research team members and participate in research activities for speech/hearing algorithm implementation
Work with sales/engineering teams in productization, verification, testing and patent application of newly developed algorithms
Conduct design and code reviews with development team members
Perform defect analysis and eliminate defects in developed solutions
Adhere to the software development process defined for the development team
Enhance or update existing software algorithms or effective algorithm feature improvements as needed
Work well with company partners and vendors
Job Requirements:
At least an engineering degree with exposure to signal processing applications
Preferably 5 years of experience in embedded real-time firmware development with an emphasis on computational complexity
Candidates with DSP development and implementation experience (focus on audio implementation) will be preferred
Proficient in C/C++ and Shell scripting
**We are not using recruitment agencies. Please do not call.
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