RF (Radio Frequency) Test Engineer (f/m/d)

eleQtron

eleQtron

Quality Assurance

Siegen, Germany

Posted on Jun 3, 2026

Job description

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 an RF Test Engineer (m/f/d) for our Siegen location to test, characterise, and validate RF and microwave systems that enable the operation of our next-generation trapped-ion quantum computing platforms.

Responsibilities:

As an RF Test Engineer in the Electronic Engineering Team, you will play a key role in testing, validating, and integrating the RF systems which support our next-generation quantum computing platforms. In this role, you will be part of an international team of physicists and engineers to develop, characterise, debug, and optimise high-frequency hardware systems in advanced laboratory environments.

  • Execute and develop validation & characterisation protocols for RF systems

  • Take ownership of RF testing and validation activities, supporting the prototyping, integration, debugging, and validation of RF components and subsystems

  • Contribute technical expertise and validation insights toward the development of

    next-generation quantum computing platforms

  • Contribute to improving lab infrastructure, RF testing methodologies, and automation workflows

  • Support the operation team during validation & characterization of our quantum computing platform with hands-on expertise of RF systems

Job requirements

Required Skills:

  • Bachelor’s or master's degree in Electrical or Electronic Engineering or a related technical field

  • Hands-on experience with RF measurement equipment (VNA, Spectrum Analyser, Oscilloscope, Signal generator)

  • Strong understanding of RF testing, validation, characterisation, and debugging methodologies for electronic systems

  • Excellent organizational skills

  • Structured, analytical working style with strong ownership and execution focus

  • Fluent English

We value:

  • Experience with Python or a similar high-level scripting language for data analysis

  • Experience with RF Design


What you can expect from eleQtron:

  • 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 culture

  • 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

  • Bike Leasing: Stay Mobile and Sustainable with Our Company Bike Leasing Program

  • 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

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