RF​/Microwave Engineer

The Role  As a RF / Microwave Engineer you will bring deep signal-integrity and high-frequency design expertise into our Product Development team. You will own the microwave performance of our products from concept through validation, combining simulation, measurement and product development.
You will work in a tight development loop where simulation, manufacturing and measurements continuously improve product performance. Experience in quantum computing is not required.
About Delft Circuits  Delft Circuits develops and manufactures advanced cryogenic I/O solutions that enable the next generation of quantum computing systems. Working at Delft Circuits means contributing to cutting-edge technology alongside leading quantum computing companies and research institutes worldwide.
Your key responsibilities will include:  RF Design & Simulation
Perform 3D EM simulations of next-generation interconnects and transitions
Design microwave filters and attenuators
Perform microwave budget and cascade analysis
Validate simulations against measurements
Shape RF architecture of next-generation products
Technical Ownership & Collaboration
Review third-party simulation models and measurement data
Support customer projects with RF expertise
Actively collect, analyze and translate feedback from customers, partners and suppliers, inside and outside of Europe
Define product roadmaps and specifications
Contribute to product documentation
Cross-functional collaboration
What you bring   5-10 years of working experience of which at least 4+ years working as RF / microwave expert
Knowledge of transmission lines, S-parameters, matching, filters and attenuators

Experience with HFSS, CST or similar 3D EM tools
Experience correlating simulations with RF measurements
Collaborative mindset and good English
Bonus points for   Cryogenic or low-temperature RF
Quantum computing signal chains
Flexible circuits or RF connectors
Personal Attributes  We are looking for someone who:
Works analytically
Shares knowledge
Takes ownership
Communicates effectively
Working Environment  You will work from Delft Circuits’ headquarters in Delft, collaborating with R&D, Product Management, Manufacturing and laboratory teams.
Why join Delft Circuits?  As part of our multidisciplinary environment you will find:
A 1-year contract with intention to extend
Fulltime position (36 hours per week)
A competitive salary based on experience € 69.375 – € 82.231 per year, including 8% annual holiday allowance in May)
CAO Metalektro
Pension scheme (PME)
Travel reimbursement (choose between €0.23/km or public transport subscription)
30 vacation days per year
You’ll be working from our headquarters at the Kabeldistrict in Delft, featuring a 200 m² lab, a workshop, dedicated assembly and testing areas, and a modern office space.
Ready to help build the future of cryogenic electronics and thrive where research meets production?
Delft Circuits is an equal opportunity employer. We are committed to creating an inclusive environment for all employees.
Acquisition in response to this vacancy is not appreciated.

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