
Radio HW Design Power Amplifier
About the role
Join our Team
About this opportunity
Ericsson is establishing a new state-of-the-art R&D center in Yokohama focused on Radio and Software development for next-generation mobile networks. The role is for an Intermediate to Senior Power Amplifier (PA) Designer / Radio Hardware Integration Engineer working on future radio systems across the full product lifecycle, from early development and research to product deployment and field support.
What you will do
- Contribute to the design and development of Ericsson’s future radio systems, including Power Amplifier (PA) design and RF performance optimization
- Perform RF simulations, schematic-level design, testing, and performance analysis
- Work hands-on in the laboratory using advanced RF measurement equipment
- Integrate radio hardware boards, modules, and systems into complete radio units
- Ensure proper interaction between RF chains, ASICs, FPGAs, software, and mechanical components
- Execute system-level verification, troubleshooting, and performance optimization
- Support lab setup, system integration, and test environment readiness
- Collaborate with system architects, software teams, vendors, and customers
- Participate in cross-functional Agile teams and contribute to continuous improvement
- Support knowledge sharing and mentor junior engineers when applicable
The skills you bring
- Strong background in RF engineering and wireless communication systems (LTE / NR / 3GPP)
- Solid experience in Power Amplifier (PA) design, including architectures, operating modes, and linearization techniques (e.g., DPD)
- Hands-on experience with RF measurements and laboratory equipment
- Understanding of radio hardware and software architecture and system-level interactions
- Knowledge of transistor technologies such as LDMOS and GaN
- Experience with system integration, validation, and troubleshooting of complex RF systems
- Programming or scripting skills (C#, MATLAB, VEE or similar) is an advantage
- Familiarity with telecom standards (3GPP, ETSI, FCC, CE, etc.)
- Understanding of radio product lifecycle from development to production support
- Strong problem-solving mindset with structured troubleshooting capability
- Strong communication and collaboration skills in cross-functional and global teams
- Fluent in English; Japanese is a strong advantage
- Curiosity, self-drive, and motivation to continuously learn and improve
Why join Ericsson?At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.
What happens once you apply?Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.
Primary country and city: Japan (JP) || Yokohama
Req ID: 785886
Benefits and perks
•Learning Budget
Required skills
RF design
Power amplifier design
RF measurements
Signal linearization
System integration
Troubleshooting
About Ericsson
Yokohama
Headquarters