Senior RF Engineer – Chelmsford, MA

Salary Range: $115,000 – $135,000

Description Of Duties

The Senior RF Engineer will be a key contributor in developing the next generation 5G small cell radio points.  He/she will develop 5G automated RF testing capability from the existing 4G automated RF test platform. The Senior RF Engineer will also be a key contributor for the 5G radio development including RF design/analysis, schematic capture, layout support, and radio bring-up, de-bug, and qualification testing.

Duties and Responsibilities

  • In conjunction with SW/HW, integration testing of radio with system hardware, FPGA and Software
  • High level 4G and 5G radio design (RF line-up, simulation, etc.) and implementation including: schematic, component selection, detailed performance (RF line-up, simulation, etc.), tolerance analysis, etc.
  • Design Verification Test (DVT) RF test automation development for 4G LTE & 5G NR small cell hardware radio evaluations
  • Maintenance and Support of multiple Radio DVT test platforms, some located off-site
  • Upgrade the DVT test platform to 5G NR capability, new RFIC components, and new 5G test waveforms
  • Specifying and evaluating specialized FPGA images required for DVT test platform upgrades
  • Specifying and evaluating standards-based LTE waveforms
  • Manage small network of PCs and test equipment
  • Support manufacturing RF test development

 

Education and Experience

Bachelors in a related curriculum such as Electrical Engineering with 8+ years experience

Masters in a related curriculum such as Electrical Engineering with 5+ years experience

Skills Required

  • Working knowledge of 4G and 5G base station conformance Testing (3GPP 136.141 and 138.141)
  • Working knowledge of LTE transmitter and receiver testing using vector signal generators and analyzers
  • Excellent knowledge of RF measurement theory
  • Experience with Python, SCPI, CLI, Excel pivot chart, matlab and git repositories 
  • Proficiency in automated programming of modern RF test equipment including spectrum analyzers, signal generators, network analyzers, thermal chambers, etc

 

Skills Desired

  • Knowledge of modern digital communication system designs including familiarity with complex RF waveforms.
  • MatLab LTE toolbox, Linux shell environment, and Linux programming via CLI and network interfaces
  • Familiarity with LTE

Must-Haves

  • 4 year Bachelors Degree
  • RF Radio Design
  • Working knowledge of 4G and 5G base station conformance Testing (3GPP 136.141 and 138.141
  • Working knowledge of LTE transmitter and receiver testing using vector signal generators and analyzers
  • Experience with Python SCPI, CLI, Excel pivot chart, Matlab and git repositories
  • Proficiency in automated programming of modern RF test equipment including spectrum analyzers, signal generators, network analyzers, thermal chambers, etc

Nice-To-Haves

  • Knowledge of modern digital communication system designs including familiarity with complex RF waveforms.
  • MatLab LTE toolbox, Linux shell environment, and Linux programming via CLI and network interfaces
  • Familiarity with LTE is highly desirable

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