Cryogenic and Quantum Devices R&D Engineer

SemiQon; Helsinki; On-site; EUR 70,000 - 110,000; Full time

Job summary

SemiQon invites a Cryogenic and Quantum Devices R&D Engineer to advance cryogenic electro‑thermal and quantum devices from concept to working components. You will perform low-temperature measurements, analyze data, and guide experimental development in close collaboration with design and fabrication teams.

Ideal candidates hold a PhD or equivalent and have hands‑on cryogenic instrumentation experience, as well as a solid grounding in solid‑state physics and device behavior at cryogenic

Qualifications

• PhD or equivalent in a related field with strong experimental physics background.
• Hands-on experience with electronic transport and cryogenic setups.
• Solid understanding of device physics and materials at cryogenic temperatures.

Responsibilities

• Perform cryogenic electrical measurements of electro-thermal and quantum devices.
• Model and design devices to guide experiments and optimization.
• Plan and execute experiments with R&D and fabrication teams.
• Analyze measurement data and communicate findings for improvements.
• Collaborate with fabrication to connect design, processes, and feedback.

Skills

Electronic transport measurements

Cryogenic experimental setups

Solid-state physics and device physics

Education

Ph.D. in physics / electrical engineering / nanotechnology / semiconductor devices / quantum technology

Tools

Cryogenic measurement equipment

Device modeling/simulation tools

Job description

Are you driven to build the hardware that will power the next generation of quantum technologies? Do you enjoy hands‑on experimental work, turning measurement data into insights, and collaborating closely with device design and fabrication? Join SemiQon as a Cryogenic and Quantum Devices R&D Engineer and help advance cryogenic electro‑thermal and quantum devices from concept to working components.

Role overview

As a Cryogenic and Quantum Devices R&D Engineer at SemiQon, you will contribute to the development, measurement, and optimization of cryogenic electro‑thermal and quantum devices. In this role, you will plan and perform low‑temperature electrical measurements, analyze device data, and use modeling and design work to guide experimental development. You will work closely with researchers, engineers, and the fabrication team to connect device concepts, fabrication processes, measurement feedback, and performance improvements.

Key responsibilities

• Perform cryogenic electrical measurements of electro‑thermal and quantum devices
• Model and design devices to guide experiments and support performance optimization
• Plan and execute experiments in collaboration with the R&D and fabrication teams
• Analyze measurement data and communicate findings to guide device and process improvements
• Work closely with the fabrication team to connect device design, process development, and measurement feedback

Qualifications

Must have

• Ph.D. degree, or equivalent experience, in physics, electrical engineering, nanotechnology, semiconductor devices, quantum technology or a related field
• Hands‑on experience with electronic transport measurements
• Hands‑on experience with cryogenic experimental setups, especially in the sub-1 K temperature range
• Strong understanding of solid‑state physics, electrical transport, and device physics

Additional assets

• Understanding of component fabrication, with hands‑on fabrication experience considered a strong advantage
• Experience in modeling, simulation, or theoretical analysis of semiconductor, thermal, electro‑thermal, or quantum devices
• Experience in characterizing electro‑thermal devices, such as Peltier devices or NIS‑junction-based components
• Experience with custom thermometry, such as on-chip thermometry

Note: Security clearance vetting may be required for this position.

Join us in shaping the quantum future

At SemiQon, you will join a fast‑growing deep‑tech company building the hardware to scale up quantum computing. If you are motivated by hardware R&D and want to contribute to device development at the intersection of physics, engineering, and manufacturing, we encourage you to apply for the Cryogenic and Quantum Devices R&D Engineer role.

About us

SemiQon’s mission is to realize the promise of quantum computing by delivering scalability through powerful, resilient, and cost‑effective silicon‑based quantum hardware. Its technology builds upon decades of development and know‑how from the semiconductor industry, making its cryo‑optimized CMOS electronics commercially competitive and well‑suited for mass‑manufacturing. SemiQon’s first‑in‑the‑world cryo‑optimized CMOS electronics deliver scalability and power efficiency to wide‑ranging applications in quantum, space, and beyond.