Data Centre Engineer

What you'll do

You will join the IT Department’s Fabric and Communication Systems (FCS) Group within the Data Centres (DC) Section, where you will contribute to the operation and support of CERN’s Data Centres and associated computing facilities. The section is responsible for managing the full lifecycle of computing equipment, as well as developing, maintaining, and integrating software applications with existing facility monitoring systems.

During CERN’s Accelerator Long Shutdown 3 (LS3) and beyond, you will support major data centre expansion and upgrade projects aimed at almost tripling the current hosting capacity, which is required to support future LHC runs and their increasing computing demands. Your role will involve assisting with infrastructure deployment, system integration, and operational readiness to support future computing requirements.

Your responsibilities

Support data centre expansion and upgrade projects during Long Shutdown 3 (LS3).
Collaborate with IT teams, facilities engineers, and external partners to deliver infrastructure improvements and provide operational support.
Design and implement the next-generation computing hardware monitoring system.
Maintain and improve existing data centre management tools.
Assist with the installation, configuration, and lifecycle management of computing, storage, and networking equipment.
Monitor data centre systems, infrastructure performance, and environmental conditions to ensure high availability and reliability.
Maintain and update operational procedures and contribute to the continuous expansion of the knowledge base to support effective data centre management.

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Your profile

Solid understanding of data centre architecture and systems including power distribution and cooling.
Comprehensive knowledge of server hardware, Linux operating system and essential networking concepts.
Strong programming skills, experience in Python and shell scripting to develop automation tools and support diagnostics. Familiarity with full stack technologies and web based front-end frameworks would be an asset.
Excellent communication skills with the ability to work effectively in a collaborative team environment, demonstrating strong interpersonal and problem-solving abilities.
Hands-on experience in data centre environments, automation frameworks, or computing systems monitoring will be considered a strong advantage.
Master's degree or equivalent relevant experience in the field of Computer Science, Information Technology or a related field.

Your skills

Knowledge of programming techniques and languages.
Knowledge and deployment of computing hardware.
Installation, operation and maintenance (preventive and corrective) of computing systems.
Cooperates constructively with others in the pursuit of team goals; balances personal goals with team goals.
Delivers high quality work on time and fulfils expectations.
Tests solutions for long-term suitability, cross-checking with all concerned before implementation.
Spoken and written English, with a commitment to learn French.

Ideal start date: 01/07/2026

Contract duration (in months): 60

Grade range: 6

Benchmark job: 200020 - Computing Engineer

Job flexibility: Hybrid

Employment conditions

A valid driving licence.
Stand-by duty, when required by the needs of the Organisation.
Work during nights, Sundays and official holidays, when required by the needs of the Organisation.

Global Benefits at CERN

A minimum entry-salary of 9236 Swiss Francs per month (tax free), increasing in line with your years of relevant experience.
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, removal, travel expenses) depending on your individual circumstances.
Possibility to extend your contract up to 8 years + eligibility for indefinite contract tenure.

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.
You have relevant qualifications and professional experience.
If you have previously held a Staff contract at CERN, you will not be eligible for these positions.
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

Your CERNDepartment

The IT Department designs, operates, and evolves CERN’s core computing and digital infrastructure. It provides the large-scale data processing, storage, networking, and collaboration services that enable CERN’s scientific programme. The Department supports the LHC and non-LHC experiments, accelerator systems, and the wider CERN community, while advancing new computing technologies through research, development, and strategic partnerships.

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.