Data Engineer

What you'll do

Are you an experienced and motivated data engineer with a passion for data modeling and modern data architectures? We are currently rebuilding our data platform from the ground up, and we’re looking for someone who can help shape its future. If you’re at ease designing and implementing robust data pipelines, optimizing database queries, integrating diverse data sources, and configuring messaging/event-driven systems, then this is your opportunity. Join an agile team of talented software developers and contribute to application software for CERN’s Corporate Information Systems.

Your responsibilities

Collaborate in the design and implementation of a data hub using modern open-source technologies
Be responsible for data hub development work packages from design to implementation
Design, implement and test data pipelines for data ingestion and data transformation across streaming and batch data flows.
Develop data models and architectures; convert data into relevant datamarts.
Participate in and lead cross-team technical initiatives and deliver proof of concepts demonstrating product feasibility.
Maintain and improve group-wide high standards and guidelines of software engineering practices.
Identify areas of improvement in the technology landscape of the group and recommend solutions.

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Your profile

Demonstrated experience in working with complex data ecosystems
Experience in implementation of data pipelines and ETL processes
Hands-on experience with SQL and at least one relational database
Familiarity with data integration tools such as Airflow and dbt
Experience with Git and CI/CD workflows
Understanding of data modelling concepts such as normalisation, star schema, etc
Some experience with streaming data
Your studies focused on Computing Engineer

Your skills

Proficiency in SQL, PL/SQL
Solid Python programming skills, particularly in data processing.
Knowledge of data pipeline architecture and orchestration.
Ability to write clean, modular and efficient code
Ability to work autonomously
Spoken and written English, with a commitment to learn French

Ideal start date: 01/03/2026

Contract duration: 24 month contract

Job flexibility: Hybrid

Employment conditions

Work during nights, Sundays and official holidays, when required by the needs of the Organization.

Global Benefits at CERN

A monthly stipend between 6287-6911 Swiss Francs per month (tax free) 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.
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)
Any document you consider relevant to your application
A copy of your most relevant diploma or a certificate of achievement from your school (if you don't yet have your paper diploma)

Your CERNDepartment

The FAP department ensures the effective management of CERN’s financial resources, maintains accurate financial data, and provides reliable information systems to support the organisation’s business processes and project management.

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.