Geneva, Switzerland What you'll do
Are you passionate about data, problem-solving, and turning complex information into clear insights? Do you enjoy maintaining and improving data systems, from legacy databases to modern reporting platforms? Join our agile, self-organised team of engineers to help maintain and develop CERN’s Corporate Information Systems! Take Part! You’ll be part of the Business Computing (BC) group, supporting Finance and Procurement.
Your mission: analyse, improve, and help modernise reporting and data solutions, while supporting the transformation of CERN’s enterprise systems and ensuring that future analytics needs are properly understood and addressed.
Your responsibilities
- Extract, transform, model, and visualise data in reports, dashboards, and analytics platforms.
- Interact with relational databases, mainly Oracle, using SQL and PL/SQL.
- Develop, maintain, and test reporting data models and semantic models supporting CERN's Finance and Procurement systems.
- Maintain, support, and enhance existing reporting and data solutions while helping define and implement their future evolution.
- Contribute to data profiling, mapping, quality checks, validation, and reconciliation activities during migration and transition phases.
- Contribute to the development and maintenance of ETL/ELT pipelines and other data-processing activities where required.
- Collaborate with business users, functional experts, architects, and developers to ensure data consistency, usability, and technical feasibility.
- Support testing, troubleshooting, documentation, maintenance, and third-level support for reporting and data solutions.
Still here? Let's make a quick check about
Your profile
- Experience in SQL (writing, optimising, debugging complex queries).
- Familiarity with data visualisation or analytics tools such as Power BI, R, or Python-based dashboards.
- Understanding of data modelling principles (dimensional/star schema design, semantic models, data warehouses).
- Experience analysing data structures, flows, and dependencies in complex enterprise systems.
- Exposure to data pipeline concepts and tools such as SQL, dbt, Airflow, or Python for data processing.
- Interest in maintaining and modernising reporting and data solutions during a systems transformation.
- Interest in providing end-user support, troubleshooting, escalation, and issue resolution.
- Awareness of Finance and Procurement processes or interest in learning about business domains.
- Experience working in group projects, ideally in collaborative or Agile environments.
- Your studies focused on Computer Science.
Your skills
- Excellent knowledge of SQL and relational databases.
- Knowledge of data visualisation and analytics tools, particularly Power BI.
- Ability to contribute to the design and maintenance of data models for reporting and analytics.
- Ability to understand and document complex data structures, data flows, dependencies, and transformation logic.
- Awareness of data quality, security, and governance concepts.
- Attention to detail and commitment to data accuracy.
- Knowledge of version control systems and basic interaction with Linux servers via the command line.
- Knowledge of Agile practices and experience maintaining reporting solutions and data pipelines in an agile environment.
- Comfortable in working with both new and legacy systems.
- Excellent communication skills and the ability to present complex information effectively.
- Spoken and written English, with a commitment to learn French.
Employment conditions
- Work during nights, Sundays and official holidays, when required by the needs of the Organization.
Global Benefits at CERN
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, Lithuanian, Latvian, Cypriot and Croatian nationals, as the ceiling defined under Article II.5 of the Associate Membership Agreement has been reached.
- By the application deadline, you have a maximum of 2 years of professional experience since graduation in the respective field and your highest educational qualification is either a bachelor’s or master’s degree. You must have a university degree and can’t hold a PhD.
- 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
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!
Ready To apply?
Be prepared with our resources and tips
All good?
Still have a doubt ? Here are the most frequently asked questions
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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.
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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.