ATLAS Forward Detector DAQ Developments

What you'll do

Are you a hands-on physicist with a strong interest in advanced detector technologies and software development? Join CERN’s Experimental Physics (EP) Department and contribute to the next generation of instrumentation for the ATLAS experiment at the High-Luminosity LHC.

You will work in close collaboration with international teams contributing to the LUminosity Cherenkov Integrating Detector (LUCID-3) and the High-Luminosity Zero Degree Calorimeter (HL-ZDC).

This position offers a unique opportunity to work at the forefront of experimental particle physics, combining hardware, firmware and software development in a highly collaborative and international environment.

Your responsibilities

Contribute to the the testing and validation of components for the ATLAS Forward Detector upgrade.
Development and maintenance of software for data acquisition electronics.
Design and support of online monitoring tools.
Play an active role in laboratory-based activities at CERN, including the testing of individual electronics components and the validation of the full detector readout chain within the Forward Detectors laboratories.

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Your profile

Proven experience with data acquisition systems in high-energy physics experiments, including detector readout and integration.
Familiarity with firmware (e.g. FPGA-based systems) and hardware-software integration is highly desirable.
Experience with online monitoring systems and real-time data quality assessment is an asset.
Understanding of trigger systems (in particular Level-1) and detector control/operation concepts is advantageous.
Practical experience in laboratory work, including testing and validation of electronics components and readout chains.
Your studies focused on Physics or a related field.

Your skills

Strong programming skills in C++ and Python, with solid experience in UNIX/Linux environments.
Experience with ROOT-based data handling, analysis, and visualisation.
Demonstrated problem-solving ability and a proactive, "can-do" attitude, with willingness to contribute to detector operation and on-call activities.
Rigorous and well-organised approach to work, with attention to detail and ability to deliver high-quality results.
Ability to work effectively both independently and within an international, collaborative team environment.
Spoken and written English, with a commitment to learn French.

Ideal start date: 01/10/2026

Contract duration (in months): 24

Job flexibility: Fully Onsite

Medical hazard

Exposure to risk of falling from heights during scaffolding assembly and dismantling operations.

Given the occupational health risks associated with this position, the selected candidate must obtain medical clearance before a contract offer is confirmed.

Employment conditions

Work in Radiation Areas.
Interventions in underground installations.

Global Benefits at CERN

A monthly net stipend between 6372-7004 Swiss Francs per month depending on your degree.
30 days of paid leave per year plus 2 weeks annual closure.
Coverage by CERN’s comprehensive health insurance scheme (for yourself, your spouse and children), and membership of the CERN Pension Fund.
Family, child and infant monthly allowances depending on your individual circumstances.
A relocation package (installation grant and travel expenses) depending on your individual circumstances.
Possibility to extend your contract up to 36 months.
On-the-job and formal training including language classes.

Let's get you ready

Be sure to meet the eligibility criteria

You are a national of a CERN Member State or Associate Member State. Currently, we cannot consider applications from Pakistani and Lithuanian nationals for positions with a 2026 start date, as the ceiling defined under Article II.5 of the Associate Membership Agreement has been reached.
By the application deadline, you have a master’s degree with 2 to 6 years of professional experience since graduation or a PhD with a maximum of 3 years of professional experience since graduation. You are not eligible with only a bachelor’s degree.
You have never had a CERN fellow or graduate contract before.
Please pay attention to the additional criteria and requirements for this specific position and mentioned above.

You will need these documents to complete your application

Your CV (English or French)
A copy of your most relevant diploma or a certificate of achievement from your school (if you don't yet have your paper diploma)
Any document you consider relevant to your application

Your CERNDepartment

The EP department conducts research in experimental particle physics in close collaboration with and supporting the wider scientific community working at CERN. This includes designing and operating experiments, developing and constructing detectors, acquiring and analysing physics data.

Overview of CERN

Discover a world where the impossible is made possible!

At CERN, the European Organization for Nuclear Research, we are pushing the frontiers of science and technology. Our groundbreaking work brings together not only physicists but also a diverse range of professionals from engineering, technical, scientific, and administrative fields. Together, we foster an environment where innovation and collaboration thrive.

Every day, we face exciting new challenges and opportunities to contribute to cutting-edge research that shapes our understanding of the universe. We meet these challenges through the diverse perspectives within our teams, ensuring every contribution is valued and driving our shared sense of inclusion and purpose. Diversity is a core value of CERN since its foundation, and it remains central to our mission and continued success.

If you are ready to be part of a dynamic, inclusive community pushing the boundaries of knowledge, CERN is the place where your curiosity and skills can thrive. Be part of our mission to uncover what lies at the heart of the universe! TAKE PART!

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Still have a doubt ? Here are the most frequently asked questions

What should I expect during my first week at CERN?

Your onboarding at CERN includes a comprehensive induction programme, which starts with an official welcome session at the beginning of each month. In addition, you will receive important information both before and after your arrival to ensure a smooth transition into your new role. This process is designed to help you get acquainted with CERN’s environment, your team, and the tools and systems you’ll be using.
How big would the team be?

The size of the team you'll be working with at CERN depends on the specific role and department. Some teams are small and highly specialized, while others are larger and more interdisciplinary. During the interview process, you'll have the opportunity to learn more about the team structure for the position you are applying for.
What is the working language at CERN?

The working languages at CERN are English and French. However, it is not always mandatory to speak both languages to work at CERN. We offer language training to help you acquiring the other language.
What support does CERN provide for relocation?

CERN does not offer direct assistance with relocation. However, depending on your role and specific criteria, you may be eligible for certain benefits such as an installation allowance and coverage of travel expenses to join CERN. These benefits are designed to help ease the transition when relocating to the Geneva area. For more information, please consult the “Salary, Benefits and Support“ page.
Do I need a visa to work at CERN?

Whether you need a visa to work at CERN depends on your nationality and the duration of your stay. CERN assists with the necessary visa and work permit processes for its employees and visitors. The specific requirements will be communicated to you during the recruitment process.
What would my salary be?

Salaries at CERN are determined by a structured scale. Salaries are based on your role, qualifications, and experience, and are not subject to negotiation. Specific details will be provided as your application progresses. For more information, please refer to the dedicated page.