Quantum Gate Engineer (f/m/d)

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. Our next-generation computing machines under development will be able to find solutions to problems that are out of reach today, thus enabling new innovative products and services for a brighter future.

We are looking for a Quantum Gate Engineer (f/m/d).

Responsibilities:

As a Quantum Gate Engineer (f/m/d), you will analyze quantum gates for ion trap quantum computing platforms at the Hamiltonian level, focusing on systems utilizing microwave-based control. You will contribute to the theoretical development of high-fidelity quantum gates, optimizing operations within ion trap systems. This role is pivotal in advancing the state-of-the-art in scalable quantum computing using trapped ion technologies. Depending on your level of experience, you will work on one or more of the following tasks:

  • Quantum Gate Analysis
    • Model and analyze microwave-driven quantum gates in ion trap systems at the Hamiltonian level
    • Investigate the effects of noise, decoherence, and motional modes on gate performance
    • Develop and simulate protocols for improving gate fidelity and robustness within our experimental tolerance
  • Microwave Control Optimization
    • Design and optimize Hamiltonian engineering methods for microwave-driven quantum gates
    • Develop advanced pulse sequences and modulation techniques for precise quantum state manipulation
    • Explore crosstalk and stray field mitigation strategies
  • Experimental Integration
    • Work closely with experimental teams to implement and validate theoretical protocols on ion trap systems
  • Research and Development
    • Innovate and propose new methods for implementing and scaling quantum gates using microwave controls
    • Contribute to publications and presentations showcasing advancements in ion trap quantum computing
  • Cross-Disciplinary Collaboration
    • Collaborate with hardware engineers, experimental physicists, and software developers to integrate gate designs into scalable quantum systems
    • Provide mentorship and knowledge transfer to team members

Required skills:

  • PhD in Physics, Quantum Computing, Applied Mathematics, or related fields (or demonstrated industrial experiences)
  • Deep theoretical understanding of ion trap systems and microwave-driven quantum gate mechanisms
  • Strong expertise in quantum mechanics and Hamiltonian-based modeling
  • Hands-on experience with numerical simulation tools (e.g., Python, QuTiP)
  • Familiarity with motional state dynamics and error sources in trapped ion systems
  • Fluency in English with strong presentation skills
  • Proactive and organized approach to managing projects

We Value:

  • Experience with pulse-shaping techniques for microwave controls (e.g., GRAPE, optimal control theory)
  • Knowledge of experimental ion trap systems, including microwave and RF hardware setups
  • Proficiency with quantum software frameworks (e.g., Qiskit, Cirq, TKET) and system-specific libraries
  • Publications in areas related to ion trap quantum computing or microwave quantum control

Compensation & Benefits:

  • Competitive salary: We value our team members and therefore provide remunerations that reflect this, additionally rewarding achievements.
  • Employee participation: Our team can share in the company’s success through an attractive Virtual Stock Option Plan (VSOP).
  • 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 and EGYM Wellpass 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.

What you can expect from eleQtron:

  • eleQtron is a young startup with a unique and flexible working style through our adoption of the agile methodology. We encourage our team to think outside the box and provide access to high quality infrastructure, lab space, offices, and meeting rooms. We strive for an open atmosphere in which developing and commercializing world leading ion-trap-based quantum computers is not only possible, but fun.
  • As a young organization, eleQtron has a flat hierarchy which provides excellent opportunities for self-development and room for growth. Our employees have a high degree of freedom and encouragement to contribute ideas and strategies.