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At Avaron, you get the security of permanent employment combined with the variety of working at different customers. We place specialists across everything from tech, IT and industry to project management and business support – and whatever the assignment, you have a consultant manager who is there for you and your development.

You will take a key role in shaping future concepts for ECU Software and HV/LV Electronics in an engineering environment focused on sustainable mobility. This is an early-phase role where technical direction matters: you will evaluate possibilities, define feasible concepts, and help turn new ideas into robust solutions that can move toward production.

As the technical authority in your area, you will work across engineering disciplines and connect concept development with product development, systems architecture, quality, cost, and timing. You will not only explore what is technically possible, but also help define what is worth pursuing and how it should be realized in practice.

You will collaborate closely with suppliers, R&D teams, and stakeholders who depend on clear technical guidance from the start. This is a strong opportunity for you if you enjoy combining deep technical knowledge with broad influence over future electronics solutions.

• You will lead the creation and validation of concepts for ECU Software and HV/LV electronics systems.
• You will work with cross-functional teams to define requirements, assess feasibility, and align solutions with quality, cost, and time objectives.
• You will drive technology development within High Voltage and Low Voltage electronics, with a focus on sustainability and efficiency.
• You will act as a technical focal point for defining ECU Software solutions that meet future demands for performance, scalability, and environmental standards.
• You will coordinate with suppliers, R&D teams, and other stakeholders to support smooth integration into production environments.
• You will contribute to technology strategies and template generation processes within your area of expertise.
• You will provide guidance on systems architecture, safety regulations, and relevant engineering standards.
• You will support analysis and verification to help ensure robust and reliable solutions.

• B.Sc. or M.Sc. in Electrical Engineering, Electronics, Mechatronics, or a related field.
• Proven expertise in ECU Software development.
• Strong hands-on experience in High Voltage and Low Voltage electronics in industrial applications.
• Excellent understanding of Product Development and Concept Development Processes.
• Around 7–10 years of relevant engineering experience, with a strong track record in concept development, analysis, and verification of electronics systems.
• Fluency in English, written and spoken.

• Swedish language proficiency.

• Permanent employment at Avaron AB
• Occupational pension
• Wellness allowance of SEK 5,000 per year

Selections are made on an ongoing basis – apply as soon as you can.

Sweden Quantum develops and manufactures cryogenic microwave hardware for quantum computing. Our products are used by quantum computing companies and Nobel Prize winning research groups. We design world-class hardware that enables world-class performance.

We're now looking for a Junior RF Engineer to help develop the next generation of our HERD filter technology. If you have a background in RF or microwave engineering and want to work at the forefront of quantum technology, we'd like to hear from you.

About the Role

You'll work with our HERD filter technology, designing, simulating, and validating cryogenic microwave filters and related components for quantum computing systems, taking into account the environment they operate in. This is a hands-on engineering position where curiosity, precision, and ownership is important.

What you'll work on

- Developing the next generation of HERD filters, from simulation to measured product

- Understanding customer and system requirements and turning them into filter designs

- Measuring and characterising filters and comparing the results with simulation

- Supporting production testing together with our production team and manufacturing partners

- Helping customers integrate our filters into their setups

Academic background

Master's degree in Electrical Engineering, Engineering Physics, or a related field with a focus on high-frequency electronics, or close to completing one.

Technical experience

- RF and microwave fundamentals, such as S-parameters, transmission lines and impedance matching

- Microwave circuit or passive-device design and EM simulation (CST/HFSS or equivalent)

- Hands-on VNA measurements and S-parameter analysis

Nice to have

- CAD design for manufacturability

- Experience with cryogenics or superconducting circuits

- Python for test and automation

Tools used

COMSOL, Fusion 360, VNA, QUCS, Bluefors DR, Python

About You

You're hands-on, self-driven, and eager to learn. You take ownership and care about quality. You're curious about quantum technologies and want your work to directly advance real, deployable quantum systems.

At Sweden Quantum, you'll work with experienced engineers, have direct influence on design decisions, and access modern lab facilities and equipment. We provide mentorship, autonomy, and the opportunity to leave a lasting mark on how quantum hardware is built.

What We Offer

You'll join a small, skilled team working with leading international partners across the quantum industry. Our customers range from major quantum computing companies to academic labs at the forefront of science. You'll gain deep experience in both RF and cryogenic engineering and see your designs deployed in world-class quantum systems.