Senior RF Engineer - Electromagnetic Design & Simulation

About the role

We are looking for a Senior RF Engineer to join our hardware team and own the electromagnetic design, simulation, and validation of on-chip and chip-scale RF structures that deliver control signals to quantum devices operating at cryogenic temperatures.

In this role, you will drive measurable improvements in RF performance and power efficiency, taking designs from first-principles analysis through simulation, fabrication, and cryogenic measurement. This position is ideal for an engineer who enjoys hands-on EM design, thrives on hard physics problems, and wants to work closely with device, fabrication, packaging, and systems teams.

Please include a cover letter with your resume (in one file) describing how you would be a great fit at Photonic and what attributes you could bring to our growing team.

• Design and optimize on-chip and chip-scale RF structures, including transmission lines, resonators, and passive coupling structures
•  Perform full-wave EM modeling (HFSS / CST / COMSOL or similar), including near-field analysis of fields delivered to target devices
• Improve RF power efficiency of control structures, balancing performance against fabrication constraints and yield
• Evaluate alternative architectures and heat-load tradeoffs at the chip, package, and cryogenic system level 
• Own simulation-to-measurement correlation, including cryogenic characterization, and iterate designs accordingly 
• Support impedance control, matching, and RF loss analysis at the chip and package level 
• Lead design reviews and produce clear technical documentation

• M.Sc. or Ph.D. in Electrical Engineering, Physics, or related field with ~5+ years of RF or EM design experience (or B.Sc. with equivalent industry experience) 
• Strong fundamentals in electromagnetics, transmission line theory, and impedance matching 
• Deep hands-on experience with full-wave EM simulation (e.g., Ansys HFSS, CST, COMSOL) 
• Experience designing RF structures on silicon, interposers, or thin-film substrates 
• Hands-on RF measurement and characterization (VNA, spectrum analyzer, S-parameter de-embedding) 
• Proven track record correlating simulation with measurement and closing the gap through design iteration 
• Scripting in Python or MATLAB for simulation automation and data analysis 
• Strong written and verbal communication skills
  
  

An exceptional candidate will bring:

• Experience with cryogenic or low-temperature RF systems 
• Familiarity with superconducting or low-loss thin films and multilayer substrates 
• Experience with quantum devices or spin/qubit control hardware 
• Awareness of microfabrication processes and design-for-manufacturability 
• Exposure to startup or research-driven environments
  
  

Source: Photonic Inc.'s careers page via Pinpoint. Read by TQI on 1 Nov 2026.