Job Description

Power amplifier Engineer

Ericsson China Access Network R&D Center is looking for Power Amplifier Engineers for base station radio unit development. 

Location: Beijing


You will be responsible for Ericsson RBS product PA design, verification, and maintenance

  • Design/maintain work to meet project requirement  
  • Follow Ericsson design and daily work process/procedure
  • To carry out effectively and efficiently for all the activities
  • Keep study continuously to maintain competition level
  • Support production when needed
  • Support manager’s work

Your responsibilities will include but not be limited to

  • Theory analysis and simulation for radio design.
  • Verify radio performance
  • Tuning and optimize PA performance
  • Study and propose 5G PA solution


Basic Requirement

  • M.S degree or above, major in Microwave, wireless communication, or equivalent
  • Working on Radio HW design more than 3 years
  • With strong ability to learn new technique and willing to research up-to-date technique.
  • Skillfully use test instruments, including vector network, spectrum analyzer and power meter.
  • Familiar with CAD tools, such as Mentor or Cadence. Familiar with ADS and HFSS simulation tool.
  • Good listening, writing, reading and oral English ability.

Preferred Experience on

  • Familiar with PA theory and state-of-the-art PA technique used in mobile communication instrument, including PA linearization and efficiency improvement technique.
  • Provide reasonable PA proposal according to system requirement, including link budget, power budget and line-up. Finish PA key components evaluation and select suitable PA solution
  • Solid analytical and problem solving skills
  • Familiar with GaN material and transistor characteristics or have chip design experience
  • Familiar with GaN PA application circuit design and trouble shooting.
  • System integration knowledge with DPD for fine tuning overall.

Additional Requirements: (Recruiter to supply or delete category)

Why is Ericsson a great place to work?

Ericsson enables communications service providers to capture the full value of connectivity. The company’s portfolio spans Networks, Digital Services, Managed Services, and Emerging Business and is designed to help our customers go digital, increase efficiency, find new revenue streams, and create new user experiences. Ericsson’s investments in innovation have delivered the benefits of telephony and mobile broadband to billions of people around the world ensuring our solutions – and our customers – are at the forefront of innovation.   We support networks that connect more than 2.5 billion subscribers. With over 100,000 employees and customers in 180 countries, we combine global scale with technology and service leadership.  40 percent of the world’s mobile traffic is carried over an Ericsson network.  And, our Technology for Good and Connect to Learn programs include creating technology that makes it easier to save lives, feed societies, bring technology to emerging markets and connectivity to remote areas, and grow businesses and prosperity.

At Ericsson, we give our employees the freedom to think big and navigate their career, on a global scale.  We create technology that helps others, from helping people enjoy their favourite content to helping people recover from natural disasters by enabling better communications between rescue workers. Your ideas and innovations can turn into achievements that impact society and change the world, creating new connections, new possibilities, and new capabilities.  We find that Ericsson is at its best when we bring together the diverse skills of our people. Working across business areas, across cultures, across geographical borders, across technical disciplines. More often than not, across ground-breaking solutions. Next generation technology can be staggeringly complex. But the simpler it is to use; the more people benefit from it. Join us and help build technology that makes it simple to connect with information, business, societies, and each other.

Ericsson provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, marital status, pregnancy, parental status, national origin, ethnic background, age, disability, political opinion, social status, veteran status, union membership or genetics.

Ericsson complies with applicable country, state and all local laws governing nondiscrimination in employment in every location acro


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