Computational Electromagnetics Engineer (Semiconductor)

Location: Palo Alto HQ; hybrid work

Salary: $180K–$210K per year plus equity

Company

hirify.global develops multi-physics simulation software for semiconductor and electronics applications, combining electromagnetic, thermal, fluid, and structural analysis in one platform.

What you will do

• Design and implement frequency-domain and time-domain full-wave EM solvers for IC packages, vias, connectors, and PCB interconnects at GHz frequencies.
• Build S-parameter extraction workflows with waveport and lumped-port excitations, Fourier analysis, and Touchstone-format output.
• Develop signal integrity capabilities including transmission-line characterization, via resonance prediction, crosstalk analysis, and eye-diagram generation.
• Implement FDTD methods with PML absorbing boundaries for broadband signal integrity and EMI analysis.
• Develop quasi-static resistive, capacitive, and inductive parasitic extraction with skin-effect corrections and RLGC outputs.
• Integrate EM-to-thermal coupling and maintain validation infrastructure with convergence tests, golden outputs, and comparisons against HFSS, CST, and SIwave.

Requirements

• Deep knowledge of computational electromagnetics, including FDTD, FDFD, and quasi-static methods.
• Hands-on experience with signal integrity simulation for semiconductor packaging, PCB design, or high-speed electronics.
• Experience implementing FDTD solvers, including Yee-cell updates, CFL stability, PML or absorbing boundaries, and port-based S-parameter extraction.
• Experience with frequency-domain EM, sparse complex linear systems, quasi-static parasitic extraction, and frequency-dependent skin-effect modeling.
• Proficiency in C++ and/or Python for performance-critical scientific computing, plus Git, code review, automated testing, CI/CD, and regression testing.
• 4–8 years of industry or research experience and a record of delivering validated, production-quality solver code or extraction tools.

Nice to have

• GPU acceleration, CUDA, batched sparse solvers, or matrix-free Krylov methods.
• Domain decomposition, Method of Moments, boundary-integral formulations, or model-order reduction for EM.
• Power integrity, co-packaged optics, photonic integration, or RF-photonic signal integrity experience.
• Graduate degree in electrical engineering, applied mathematics, computational physics, or a related field with a CEM or SI focus.

Culture & Benefits

• Work on challenging problems at the intersection of electromagnetic, thermal, and multi-physics simulation.
• Join a small, technically deep team where contributions influence the product and architecture.
• Receive competitive compensation with equity participation.
• Flexible work environment.
• Build new simulation capabilities from scratch for next-generation electronics design.