eleqtron~22d ago

Modeling & Simulation Physicist – Quantum Hardware (f/m/d)

Germany·Hamburgmid

OtherModeling & Simulation EngineerPhysicist

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Quick Summary

Overview

eleQtron develops and operates full-stack quantum computers based on trapped-ion technology. Quantum computing is a new computing paradigm rapidly approaching commercial viability. Our unique approach combines laser-cooled trapped ions with microwave control and tailored magnetic fields.

Technical Tools

python

Responsibilities

~1 min read

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Model static and time-dependent electrostatic potentials of segmented ion traps
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Simulate RF (Paul trap) fields and derive effective (pseudopotential) trapping potentials
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Compute magnetic field distributions, including gradients and field stability

Simulate microwave field distributions for qubit control and coupling
Ion Dynamics & Transport

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Simulate single- and multi-ion dynamics in time-dependent potentials
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Analyze ion shuttling protocols, including transport speed, motional excitation, and heating
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Evaluate stability regions, secular frequencies, and micromotion effects

Develop parameterized COMSOL models to explore design trade-offs
Extract physical quantities (trap depths, frequencies, field homogeneity)
Validate simulation results against analytical models and experimental data
Automate simulation workflows where appropriate (e.g. via COMSOL LiveLink)

Interface with experimental and theoretical teams to refine trap designs
Clearly document simulation assumptions, methods, and results
Provide actionable design recommendations based on simulation outcomes

MSc or PhD in Physics, Electrical Engineering, or a related field
Experience in trapped ions or atomic physics
Strong foundation in classical electromagnetism and classical mechanics
Experience simulating electrostatic, RF, magnetic, and microwave fields
Familiarity with time-dependent simulations and particle tracing/analysis
Experience with numerical and FEM-based simulation tools, such as COMSOL Multiphysics (AC/DC and RF Modules preferred)
Scripting experience (e.g. Python, MATLAB or COMSOL LiveLink); version control(e.g.Git) is a plus
Ability to critically assess scientific literature and technical reports, define validation strategies, and report R&D results in a structured and traceable manner

Knowledge of heating mechanisms, motional decoherence, or noise sources
Exposure to experimental ion trap setups or hardware constraints
Practical understanding of microwave engineering or RF electronics

Competitive salary: We value our team members and therefore provide remunerations that reflect this, additionally rewarding achievements.

Flexible working hours: We offer personal freedom through a variety of flexible work schedules.

Team spirit: In our international and diverse team, and with our regular team events, having fun at work is simply part of the game.

Further development: We want to grow together and so we offer our team members’ needs-based, individualized further training as well as plenty of room for personal development.

Wellness Package: We offer health-promoting benefits such as fitness programs like UrbanSportsClub to support your well-being.

Moving Benefits: A warm welcome! We are happy to support employees who move for us with a bonus.

At the forefront: Work at the forefront of technology, where academic research meets commercial applications.

Modern workplace: We have a high-quality infrastructure with laboratory space, offices, and meeting rooms.