Senior RF Data Scientist / Research Engineer

Location: Saffron Walden

Job Type: Permanent

Salary: Competitive

Job Reference: 35947

Polytec are seeking a Senior RF Data Scientist / Research Engineer to develop signal‑processing and machine learning solutions using RF data from software‑defined radios for our Saffron Walden based client. This hands‑on role sits at the intersection of RF hardware, DSP and applied ML in a fast‑paced RandD environment.

• 
  
• Analyse and characterise IQ data from SDR platforms
  
• Build RF signal analysis and visualisation tools
  
• Design RF data‑processing pipelines accounting for real‑world hardware effects
  
• Develop ML and statistical models for RF classification and detection
  
• Prototype batch and real‑time processing systems in Python and integrate with GNU Radio or C++ backends
  
• Support RF data collection and over‑the‑air testing
  

• 
  
• Strong Python skills for data analysis and prototyping
  
• Solid understanding of digital signal processing fundamentals
  
• Experience with SDR frameworks such as GNU Radio or similar
  
• Understanding of RF hardware chains and their impact on baseband data
  
• Experience analysing wireless protocols or physical‑layer behaviour
  
• Comfortable working in iterative, experimental RandD environments
  

• 
  
• Hands‑on SDR and RF lab experience
  
• Exposure to techniques such as direction finding, Doppler, or beamforming
  
• Experience beyond Python (e.g. C++, MATLAB)
  
• Knowledge of RF circuits or antenna systems
  
• Publications, patents, or open‑source contributions
  

Please contact us as soon as possible for more details or apply below