Network Administrator in ATLAS DAQ (EP-ATL-DAQ-2026-228-GRAE)

### Company Description ### Job Description Join the ATLAS Data Acquisition (DAQ) team and contribute to the modernisation of one of the world's most advanced scientific computing networks. Working alongside experienced network engineers, you will gain hands-on experience in the deployment, testing, operation, and monitoring of a high-availability, multi-terabit-per-second network that underpins the ATLAS experiment, while helping to develop future-proof monitoring and alerting solutions in collaboration with experts across CERN and the LHC experiments. Your responsibilities - Participate in the installation, commissioning, testing, and operation of network infrastructure supporting the ATLAS Data Acquisition (DAQ) system. - Deploy and maintain a production-ready network monitoring and alerting solution for critical DAQ services and equipment. - Collaborate with experts from other LHC experiments to identify common requirements and contribute to the development of scalable, future-proof monitoring solutions. - Support the operation and upkeep of the ATLAS TDAQ laboratory, including infrastructure, equipment, and resource management activities. - Contribute to the maintenance and evolution of the ATLAS DAQ hardware infrastructure, including server deployment, hardware interventions, and related technical support. Your profile - Basic experience as Sysadmin or Netadmin. - Hands-on experience with server and/or switch installations in professional environment. Skills - Basic knowledge of TCP/IP stack and Ethernet networks. - Basic programming skills in Python and Bash. - General knowledge of Linux systems. - Ability to work in teams. - Spoken and written English, with a commitment to learn French. Eligibility criteria: - You are a national of aCERN Member or Associate Member State. - By the application deadline,you have amaximum of two years of professional experience since graduationin Computing Infrastructures (or a related field)and your highest educational qualification is a general secondary education diploma. - You have never had a CERN fellow or graduate contract before. - Applicants with a Bachelor's, Master's or PhD degree are not eligible. ### Qualifications ### Additional Information Job closing date:13.10.2026 at 23:59 CEST. Contract duration: 24 months, with a possible extension up to 36 months maximum. Working hours: 40 hours per week Job flexibility: Fully Onsite Target start date: 01-January-2027 This position involves: - Work in Radiation Areas. - Interventions in underground installations. - Stand-by duty, when required by the needs of the Organization. - Work during nights, Sundays and official holidays, when required by the needs of the Organization. Job reference: EP-ATL-DAQ-2026-228-GRAE Field of work: Information Technologies Benchmark job: 300030 - Computing Technician Global Benefits - A monthly stipend of 4687 Swiss Francs per month (tax free). - 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. 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! More information about us, here:careers.cern Before applying, please make sure that you have read the requirements for the position and that you qualify. Applications from non-qualifying applicants will most likely be discarded by the recruiting manager.