Cryo RFIC Design Engineer, Quantum

About GlobalFoundries:

GlobalFoundries is a leading full-service semiconductor foundry providing a unique combination of design development and fabrication services to some of the worlds most inspired technology companies. With a global manufacturing footprint spanning three continents GlobalFoundries makes possible the technologies and systems that transform industries and give customers the power to shape their markets. For more information visit .

Summary of Role:

GlobalFoundries is seeking a Senior RF IC Design Engineer to develop high-performance RF and microwave integrated circuits and reusable IP for advanced semiconductor applications including cryogenic CMOS and quantum systems. This role will drive RFIC designs from architecture through electromagnetic-aware layout tapeout and silicon characterization while partnering closely with technology PDK modeling packaging and test teams.

Essential Responsibilities:

Design and develop RF and microwave integrated circuits and reusable IP including low-noise amplifiers power amplifiers mixers oscillators VCOs frequency synthesizers RF switches phase shifters and impedance-matching networks.

Own RFIC development from architecture and transistor-level design through schematic simulation electromagnetic-aware layout physical verification tapeout and silicon characterization.

Perform comprehensive RF circuit analysis across process voltage and temperature including S-parameters noise figure gain linearity stability phase noise power impedance matching and post-layout parasitic effects.

Perform or drive electromagnetic simulation and modeling of RF passive structures interconnects transmission lines inductors transformers matching networks and critical layout structures.

Optimize RF circuit performance for power bandwidth noise linearity area process variation package/interconnect parasitics and operating temperature including cryogenic conditions where applicable.

Collaborate with device modeling PDK technology packaging and test teams to assess RF model accuracy identify model or design-rule gaps and improve RF and cryogenic design enablement.

Define RF silicon test structures and characterization plans analyze measured data debug performance issues and correlate hardware results with circuit and electromagnetic simulations.

Lead technical design reviews document design methodology and results mentor engineers and collaborate with cross-functional internal and external teams to enable customer and technology solutions.

Other Responsibilities:

Perform all activities in a safe and responsible manner and support all Environmental Health Safety & Security requirements and programs.

Required Qualifications:

Education - Bachelors degree in Electrical Engineering Microelectronics Applied Physics or a related field.

Experience - Minimum 5 years of relevant RF microwave or analog integrated circuit design experience.

Skills - Demonstrated experience taking RF or microwave integrated circuits through schematic design simulation layout DRC/LVS parasitic extraction tapeout and silicon validation.

Skills - Strong knowledge of RF design fundamentals including impedance matching S-parameters stability noise linearity phase noise RF power passive networks and transmission-line effects.

Skills - Proficiency with industry-standard RFIC design circuit simulation electromagnetic simulation layout physical verification and post-layout extraction environments.

Skills - Experience with RF measurement concepts and test equipment such as vector network analyzers spectrum analyzers signal generators noise-figure measurement and RF probing.

Travel - Up to 10%.

Fluency in English Language - written & verbal.

Preferred Qualifications:

Education - Masters degree or PhD in Electrical Engineering Microelectronics RF/Microwave Engineering or a related field.

Experience - Experience with cryogenic RFICs quantum readout/control electronics millimeter-wave circuits wireless/RF front ends or other advanced RF applications.

Skills - Familiarity with CMOS device and passive-component behavior compact-model limitations and interconnect effects at RF microwave or cryogenic operating conditions.

Skills - Experience designing advanced RF blocks such as LNAs PAs mixers VCOs PLLs/frequency synthesizers RF switches phase shifters or integrated matching networks.

Skills - Experience with on-wafer RF characterization and correlation of measured results to circuit device EM and package models.

Skills - Familiarity with design or characterization automation using Python SKILL Tcl MATLAB or equivalent scripting environments.

Project management skills - i.e. the ability to innovate and execute on solutions that matter; the ability to navigate ambiguity.

Strong written and verbal communication skills.

Strong planning & organizational skills.

Expected Salary Range

The exact Salary will be determined based on qualifications experience and location.