Electromagnetic Modeling

Introduction

A career at Anderon provides the rare opportunity to help define a new industry. We’re a wafer foundry that’s commercializing semiconductor manufacturing for quantum chips. You’ll partner with innovative clients and leading researchers to develop the technology needed to build the coming quantum economy.

*Please note: Anderon uses IBM's recruitment platform for candidate applications and hiring workflows. While this role is with Anderon, all applications will be submitted and processed through IBM's careers system.

Your role and responsibilities

The Modeling Engineer develops, calibrates, and maintains the physics-based models that predict how superconducting quantum devices behave. These models span electromagnetic, circuit, thermal, and materials domains. The engineer turns device layouts and process parameters into predictive, validated models that designers and process teams can rely on.

Core responsibilities

• Electromagnetic and multiphysics simulation. Build and run full-wave EM, finite-element, and quasi-static simulations of qubits, resonators, couplers, readout structures, and packaging. Extract capacitance, inductance, mode frequencies, coupling strengths, and loss participation ratios.
• Device and circuit modeling. Develop compact and lumped-element models for Josephson junctions, qubits, resonators, couplers, and parametric amplifiers (e.g., TWPAs). Make sure they are usable in circuit simulation and design flows.
• Model calibration and validation. Work with test and measurement teams to define test structures and measurement plans. Fit model parameters to measured data, quantify uncertainty, and document where models are and aren’t valid.
• Process-aware modeling. Capture the effect of fabrication variation (junction critical current, film thickness, linewidth, material properties) on device performance. Support statistical and corner-based models. Where available, use process simulation to inform these models.
• PDK and design-flow support. Deliver models, parameterized cells, and documentation in forms that fit the PDK and EDA toolchain. Support model versioning and maturity tracking across releases.
• Cross-functional collaboration. Partner with device designers, process integration, materials, test engineering, and EDA/CAD teams. Translate between design intent and physical behavior.
• Methodology and automation. Develop scripts and workflows (Python, scripting APIs for EM/EDA tools) that make simulation repeatable, scalable, and traceable. Maintain version control and reproducibility.
• Documentation and communication. Write model documentation, application notes, and design guidelines. Present results and tradeoffs to technical and non-technical stakeholders.

Required technical and professional expertise

• MS or PhD in physics, electrical engineering, applied physics, or a related field.
• Hands-on experience with EM and multiphysics simulation tools (e.g., Ansys HFSS/Q3D, COMSOL, Sonnet, or similar) and circuit simulators.
• Working knowledge of circuit QED, Josephson junction physics, and microwave engineering.
• Strong Python or similar scripting skills, plus data analysis and parameter-fitting experience.

Preferred technical and professional experience

• Experience with superconducting circuits or quantum devices.
• Experience with TCAD tools (e.g., Synopsys Sentaurus or similar).
• Familiarity with cryogenic measurement and device characterization.
• Familiarity with PDK or EDA design flows.

IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.