What are the responsibilities and job description for the Digital electronics engineer SY-RF-LLGRAP position at CERN?

Your responsibilities

Are you an Electronics Engineer passionate about developing cuttingedge acquisition and control systems Join us in advancing readout systems for superconducting RF (SRF) cavities focusing on a lownoise system for axion dark matter searches. Youll implement an ultralownoise control framework for a novel SRF cavity performing highsensitivity exclusion scans for dark matter scenarios.

Working with digital electronics experts youll enhance the SRF measurement framework over a 3year term culminating in commissioning and a dedicated datataking run. This project is part of CERNs Quantum Technology Initiative (QTI) and Physics Beyond Colliders (PBC) programme within the LLRF section of the RF Group. Youll collaborate closely with SRF cavity experts and the wider QTI community.

Your role involves rolling out an FPGAbased digital lowlevel RF (LLRF) system for SRF cavity readout. Youll refine the existing LLRF framework integrate control and measurement algorithms and lead insitu commissioning. Additionally youll design and implement enhanced noise suppression methods using Carrier Suppression Interferometry (CSI) for the QTI dark matter initiative.

Functions :

Validate and release the LLRF framework for SRF cavity measurements.
Implement CSI for ultralownoise signals in exclusion search measurements.
Roll out and commission dedicated SRF LLRF systems.
Develop and refine algorithms for CERN QTI use cases.

Your profile

Skills

This position is looking for someone with established experience in signal processing and accelerator physics particularly in the area of RF cavities. As such your technical competencies should include at least 3 of the following :

Established experience in LLRF systems for RF cavities;

Established experience with development of complex FPGA designs (ideally with VHDL experience)

Experience with test bench validation of analysis and debugging techniques for FPGA designs;

Knowledge of Python for hardware testing;

Development and review of measurement / DAQ systems used in related R&D fields.

Technical competencies :

Design and analysis of RF systems

Design construction and testing of lowlevel RF components and systems

Knowledge and application of RF techniques

Operation and maintenance of RF components and systems

Fluent in English the ability to work in French would be an advantage.

Eligibility criteria :

You are a national of a CERN Member or Associate Member State.

You have a professional background in Electronics Engineering (or a related field) and have either :

a Masters degree with 2 to 6 years of postgraduation professional experience;

or a PhD with no more than 3 years of postgraduation professional experience.

You have never had a CERN fellow or graduate contract before.

Additional Information :

Job closing date : 9th March 2025 at 23 : 59 hrs CET.

Contract duration : 24 months with a possible extension up to 36 months maximum.

Working hours : 40 hours per week

Target start date : 01Apr2025

This position involves :

Work in Radiation Areas.

Interventions in underground installations.

Residence in the immediate vicinity of the Organizations installations.

A valid driving licence.

Job reference : SYRFLL202517GRAP

Field of work : Electrical or Electronics Engineering

What we offer

A monthly stipend ranging between 6287 and 6911 Swiss Francs per month (net of tax) .

Coverage by CERNs comprehensive health scheme (for yourself your spouse and children) and membership of the CERN Pension Fund .

Depending on your individual circumstances : installation grant; family child and infant allowances; payment of travel expenses at the beginning and end of contract.

30 days of paid leave per year .

Onthejob and formal training at CERN as well as inhouse language courses for English and / or French.

About us

At CERN the European Organization for Nuclear Research physicists and engineers are probing the fundamental structure of the universe. Using the worlds largest and most complex scientific instruments they study the basic constituents of matter fundamental particles that are made to collide together at close to the speed of light. The process gives physicists clues about how particles interact and provides insights into the fundamental laws of nature. Find out more on

We are on a Quest. A Journey into discovery like no other. Bring your expertise to our unique work and develop your knowledge and skills at pace. Join worldclass subject matter experts on unique projects in a Quest for greater knowledge and deeper understanding.

Begin your CERN Quest. Take Part!

Diversity has been an integral part of CERNs mission since its foundation and is an established value of the Organization. Employing a diverse workforce is central to our success.

Remote Work : Employment Type :

Fulltime

Key Skills

Embedded Software,Electrical Engineering,System Design,Firmware,C / C ,LabView,PCB,Sensors,Signal Processing,Matlab,Fpga,Assembly

Vacancy : 1

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Digital electronics engineer SY-RF-LLGRAP

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