RF Application Engineer (f/m/d)

eleQtron; Nordrhein-Westfalen; On-site; EUR 65,000 - 90,000; Full time

Job summary

eleQtron in Siegen, Germany is seeking an RF Application Engineer (m/f/d) to test, validate, and optimize RF subsystems on our trapped-ion quantum computing platform. You will join the Electronics team and work with international physicists and engineers to develop, characterize, debug, and integrate high-frequency electronic hardware.

The role emphasizes hands-on testing, validation, and collaboration across software and hardware teams, with a focus on developing new validation protocols and

Qualifications

• Bachelor’s or Master’s degree in Electrical Engineering, Electronics, RF/Microwave Engineering, Physics, or a related field.
• 3–5 years of professional experience in electronics engineering or related technical roles.
• Hands-on experience with high-speed digital and RF hardware systems.
• Strong RF system understanding including measurements, debugging, and validation.
• Experience with laboratory RF hardware integration and subsystems.
• Experience with lab equipment such as VNAs, spectrum analysers, oscilloscopes, and signal generators.
• Excellent organisational skills and a structured, analytical working style.
• Fluent English.

Responsibilities

• Set up, integrate, configure, and validate low-noise DC and RF hardware components and subsystems within our quantum computing platforms.
• Support system operation, bring-up, commissioning, and troubleshooting of electronic subassemblies and lab equipment.
• Collaborate with engineering and firmware teams to develop and integrate RF subsystems for next-generation quantum technologies.
• Develop and define validation protocols and characterization standards.

Skills

High-frequency system design

Python scripting

Fluent English

Education

Bachelor’s or Master’s degree in Electrical Engineering, Electronics, RF/Microwave Engineering, Physics, or related field

Tools

VNAs

Spectrum Analyzers

Oscilloscopes

Signal Generators

Job description

RF Application Engineer (f/m/d) at eleQtron, Siegen, Nordrhein-Westfalen, Germany. A mid-level full time position in the Electronics team, listed under hardware engineering.

We are looking for an RF Application Engineer (m/f/d) to test, validate, and optimize RF subsystems at the core of our trapped-ion quantum computing platform in Siegen.

Responsibilities

As a RF application engineer in the Electronic Engineering Team, you will play a key role in testing, characterizing, validating, and integrating RF systems that support our next-generation quantum computing platforms. In this role, you will work closely with our international team of physicists and engineers to develop, characterize, debug, and optimize high-frequency electronic hardware systems in advanced laboratory environments.

• Setting up, integrate, configure, and validate low-noise DC and RF electronic hardware components and subsystems within our quantum computing platforms.
• Support system operation, bring-up, commissioning, and troubleshooting of electronic subassemblies, control systems, and laboratory equipment.
• Collaborate closely with engineering and firmware teams to develop and integrate RF subsystems for next-generation quantum technologies.
• Take ownership of developing new validation protocols and defining characterization standards.

We value

• Experience with high-frequency system design.
• Experience with Python or a similar scripting language for data analysis

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

Requirements

• Bachelor’s or master's degree in Electrical Engineering, Electronics, RF/Microwave Engineering, Physics, or a related field
• 3–5 years of professional experience in electronics engineering, application engineering, hardware integration, or a comparable technical role.
• Hands-on experience with high-speed digital and RF hardware systems.
• Strong understanding of RF systems, including RF measurements, debugging, and hardware validation.
• Experience in installing, integrating, and validating RF hardware subsystems in laboratory environments.
• Experience with laboratory equipment such as VNAs, spectrum analysers, oscilloscopes, and signal generators.
• Excellent organisational skills.
• Structured, analytical working style with strong ownership and execution focus.
• Fluent English.