Postdoc in High-Precision Tuning of Quantum Devices

Karlstad University; Göteborgs kommun; On-site; SEK 300,000 - 400,000; Full time

Benefits offered by this job

Employee benefits

Dynamic working environment

Swedish integration courses

Job summary

Karlstad University is seeking a Postdoctoral researcher focused on High-Precision Tuning of Quantum Devices. This role is based at the Wallenberg Centre for Quantum Technology in Gothenburg and offers the opportunity to work on pioneering experimental quantum computing.

Successful candidates must have a PhD in a relevant field and substantial research experience. The contract is full-time for two years with benefits including Swedish courses to help newcomers.

Qualifications

• PhD in related field is mandatory.
• Strong experience in superconducting devices expected.
• Familiarity with programming for data analysis is essential.

Responsibilities

• Design and execute experiments on superconducting quantum devices.
• Analyze complex experimental datasets.
• Collaborate with senior researchers on experimental programs.

Skills

Experimental research experience in superconducting devices

Programming in Python or MATLAB for data analysis

Low-temperature physics knowledge

Education

PhD in Physics, Applied Physics, Materials Science, Electrical Engineering

Tools

Measurement techniques (DC, AC, RF)

Job description

Postdoc in High-Precision Tuning of Quantum Devices

Our goal is to focus on competence, knowledge and collaboration in order to play an important, demonstrable role in social development.

Are you excited about pioneering experimental quantum computing? Do you want to be part of a world‑class research environment developing the next generation of superconducting quantum processors?

We are seeking a Postdoctoral researcher to join our ambitious team at the Wallenberg Centre for Quantum Technology (WACQT), based at the Department of Microtechnology and Nanoscience (MC2).

About the research project

This project is a proof‑of‑concept effort aimed at demonstrating a reliable post‑fabrication trimming process for Josephson junctions in superconducting qubits.
Unlike open‑ended exploratory research, this project is goal‑oriented and experimentally driven. It requires both careful physical interpretation and structured technical validation.

You will take primary responsibility for planning and executing the experimental program in collaboration with senior researchers. While the role does not include formal personnel management, scientific initiative and independence are highly expected.

Key responsibilities

• Designing and executing cryogenic experiments.
• Characterizing Josephson junctions and superconducting circuits.
• Analyzing device behavior and degradation mechanisms.
• Correlating electrical performance with material properties (aging, interfaces, coherence).
• Contributing to reproducible superconducting qubit fabrication workflows within WACQT.

Who we are looking for

Mandatory requirements

• A PhD in Physics, Applied Physics, Materials Science, Electrical Engineering, or a closely related field.
• Strong experimental research experience in superconducting devices, quantum devices, low‑temperature physics, nanoscience, or related areas.
• Experience with at least one of the following: programming in Python, MATLAB or similar tools for data analysis and experiment automation.

You are expected to be somewhat accustomed to teaching, and to demonstrate good potential within research and education.

Beneficial but not required experiences

• Microwave control and readout.
• Quantum coherence measurements.
• Thin‑film characterization.
• Tunnel junction fabrication.
• Cleanroom micro/nanofabrication.
• Device simulation or modelling.

What you will do

• Design and execute experiments on superconducting quantum devices.
• Develop and validate electrical trimming methods for Josephson junctions.

Device characterization and analysis

• Characterize superconducting circuits using DC, AC, and RF measurement techniques.
• Analyze complex experimental datasets and develop physical interpretations of device behavior.
• Investigate relationships between fabrication processes, material properties, and device performance.

Collaboration and scientific communication

• Work closely with researchers in superconducting qubit development, nanofabrication, and materials characterization.
• Present results internally and externally through publications, reports, and conference presentations.

Contract terms

The position is a temporary full‑time employment for two years with the possibility of a one‑year extension. The position requires physical presence throughout the entire employment. A valid residence permit must be presented by the start date.

What we offer

• As a postdoc at Chalmers, you are an employee and enjoy all employee benefits.
• A dynamic and inspiring working environment in the coastal city of Gothenburg.
• Swedish courses to help you settle in.

Application procedure

The application should be written in English, attached as PDF files, each not exceeding 40 MB. Please note that the system does not support ZIP files.

CV

• A comprehensive CV, including a complete list of publications.
• Details of previous teaching and pedagogical experience.

Personal letter

• A brief introduction about yourself.
• A summary of your previous research fields and key research outcomes.
• An outline of your future goals and research focus.

Please note: The applicant is responsible for ensuring that the application is complete. Incomplete applications and applications sent by email will not be considered. Contact details to references will be requested after the interview.

We welcome your application no later than August 2 2026.

Job details

Postdoc in High‑Precision Tuning of Quantum Devices
Closing on: 2026‑08‑16 (Europe/Stockholm)