Come and join the Mechanical Engineering team of the Cryogenics Group, you will have a unique opportunity to participate in the development and consolidation of cryogenic equipment for CERN accelerators, detectors and test areas.
As a member of the Mechanical Engineering team of the Cryogenics Group you will :

• Contribute to the study and design of cryogenic equipment, produce drawings (integration assembly and detailed drawings), define the layout of services (e.g. piping) and the layout/routing of cryogenic circuits;
• Contribute to the definition of modifications of existing cryogenic systems;
• Follow the production and procurement of components and organize the installation of cryogenic equipment;
• Contribute to the associated technical documentation.

The skills and/or technologies you should have and/or know:   

• Mechanical design, modelling (2D&3D), integration of mechanical system;
• Production & installation of mechanical assemblies;
• Quality control, writing procedures & test reports.

Re-engineering the configuration model of the framework for real-time device control

Join a team of experienced software engineers in the Controls Software and Services group and contribute to the re-engineering of the core control system framework used to control equipment in the whole accelerator complex.

• Participate in the review, design and implementation (C++) of configuration model used by the framework, to streamline integration of new device types in the control system.
• Develop bindings for the model API in Python and Java. You will learn about real-time concepts, low-level and system programming, communication protocols, and gain a valuable experience in C++, Java and Python.
• Take part and enjoy working in our enthusiastic and friendly team.

The skills and/or technologies you should have and/or know:   

• Experience with C++ is required.
• Experience with Linux, Java and Python is welcome.

Development and extension of tooling for the accelerator control system Python platform.

Join a team of expert Python software engineers in the Controls Software and Services Group working on the core Python platform for the accelerator control system. Your work will involve development and extension of tools and services which support the Python platform, allowing it to meet the needs of the software developers, equipment specialists and operations teams who maintain and operate CERN's particle accelerators, while following the evolution of Python and its associated technologies. This position will offer you the opportunity to interact with, learn from and contribute to that community, bringing your expertise in modern software development, Continuous Integration (CI) and deployment to activities at the heart of CERN's mission.

The skills and/or technologies you should have and/or know:                                                             

• Experience with Python and Gitlab is required.
• Experience with containerised deployment and Kubernetes container orchestration would be beneficial.

The Controls Software & Services (CSS) group of the Beams Department has developed over the past 10 years many critical web applications to configure, operate and control the accelerators complex. These applications will be selectively upgraded and renovated. This is something synonomous with the needs of a majority of companies around the world, this an opportunity to gain valuable experience and transferrable skills, in the unique and exciting environment that is CERN.

You will work with a young team of developers and take part in the complete development lifecycle (design, implementation, operation) of advanced web applications. Technologies in use include Typescript, Angular, Angular Material, Java and Spring Boot. 

The skills and/or technologies you should have and/or know:                                                                       

• Practical knowledge of one major Web frameworks (Angular, VueJS, React).
• Experience with Java, Spring and Hibernate ORM is a plus, as is basic knowledge of UI design and/or relational DBs and SQL.

The TE-VSC-ICM section is responsible for the software infrastructure that allows the supervisory control of accelerator vacuum systems at CERN. This infrastructure allows the monitoring of over 12 000 pieces of control equipment and relies on a software infrastructure with multitude of technologies, ranging from industrial control applications (SCADA) with customized C++ libraries for graphical rendering, to web applications based on microservices
You will perform new developments, support, and maintenance for vacuum software applications by:

• Implementing new features on the vacuum SCADA and supporting web applications;
• Developing new user interfaces and improving the existing ones;
• Upgrading existing applications to modern technologies to mitigate software obsolescence;
• Monitoring application behaviour and proactively fixing issues;
• Maintaining clear and thorough documentation;
• Providing code and documentation reviews;
• Providing user support.

The skills and/or technologies you should have and/or know:                

• Good knowledge of Modern C++;
• Knowledge in Java Spring;
• Knowledge in ES6 and React;
• Knowledge in SQL;
• Good knowledge in GIT;
• Excellent documentation skills.

You will join the Gas team in the EP-DT-FS section responsible for the maintenance, operation and developments of the gas systems for the LHC experiments.

The CERN EP-DT-FS Gas Systems Team is responsible for about 40 gas systems (≈300 euroracks) delivering the required mixture to the particle detectors of all CERN experiments.

You will be involved in the development of new control systems from the PLC layer to the SCADA application and web-based tools. You will also test new gas system components and develop the necessary software and hardware tools needed for their integration in the LHC gas systems.
CERN is nowadays strongly committed to reduce greenhouse gases (GHGs) emissions from particle detector operation. The EP-DT-FS Gas team has identified different strategies to optimize the GHGs usage. You will be involved and take responsibilities in the developments of new gas recirculation systems for medium-small laboratory applications.

The skills and/or technologies you should have and/or know:  

• Software programming knowledge (python, C/C++, web technologies);
• Knowledge of gas systems components;
• Hardware skills (assembly of gas connectors, cabling of gas sensors, ...).

White Rabbit Switch v4 software developer:
We are looking for an embedded software developer to join the White Rabbit project, a CERN-born technology and now an industry-standard that provides sub-nanosecond synchronisation and deterministic data transfer over a distributed network.

The White Rabbit Switch is the core component of a WR network and now a new, higher performance version of it is being developed.

Join us and take an active role in the design of this fully open-sourced Ethernet switch! The work includes software architecture definition, Linux device drivers, development of embedded software for Zynq Ultrascale+.

The skills and/or technologies you should have and/or know:                

• Programming: C, C++, Python, Shell scripts;
• Electronics/Embedded Design: Vivado, Embedded Linux;
• DevOps: Gitlab CI/CD.

Soft skills:  

• Working in teams;
• Demonstrating accountability;
• Achieving results.

In the scope of the insulation vacuum system for the HL-LHC project (https://cernbox.cern.ch/index.php/s/Cf2wwutnM8I7Cvz) you will be involved in the following activities:

• Follow-up and issue of 3D models and drawings of vacuum instrumentation assemblies;
• Integration follow-up and procurement of vacuum instrumentation for the insulation vacuum system (including the contribution to the cold powering system);
• Follow-up and issue of vacuum instrumentation layout drawings;
• Design conformity assurance towards insulation vacuum of the cryogenic distribution system, the magnet system and the cold powering system;
• Contribution to definition of leak test strategy and methodology;
• Staging and quality assurance of leak testing activities;
• Support to leak test execution;
• Leak test result validation.

The skills and/or technologies you should have and/or know: 

• Experience with joining techniques and project management for mechanical installations are assets;
• Specific knowledge of vacuum technology is desirable.

The Accelerator Testing framework (AccTesting) is a critical software system for the commissioning of the LHC, responsible for planning, scheduling, tracking the execution and analysis of tests on numerous accelerator components related to the powering and protection of the superconducting circuits. 

Acknowledging the advantages of using AccTesting, the accelerator equiment and operators would like to extend the use of the framework to more systems, and notably the Beam Interlock System (BIS) and the Warm Interlock Controller (WIC) machine protection systems.

You will join the software engineering team of the TE-MPE group and work together to:

• Design and develop new commissioning test execution services and supervision GUIs;
• Design and develop new analysis procedures, services and GUIs;
• Design Application Programming Interfaces (API) to enable the communication between AccTesting and these frameworks;
• Integrate the solutions together.

Your tasks will notably be to:

• Collect and analyse the requirements from the stakeholders of the BIS, WIC and operation crews;
• Design and develop the software solutions following the CERN quality standards;
• Regularly present the solutions to users and to collect feedback.

The skills and/or technologies you should have and/or know: 

• Java, Python3, API design, Spark, Jupyter, Distributed Services, Git;
• Experience with RDBMS, Spring;
• Ability to work in a team and to participate in design discussions;
• Scrum/Kanban.
   

The Beam Interlock System (BIS) is a critical machine protection system of CERN's accelerator chain, from the initial linear accelerator to the Large Hadron Collider. A new version of the BIS hardware system is under development.

You will join the software engineering team of the TE-MPE group and work together to provide new supervision software:

• Low level device drivers and real time procedures to access the BIS hardware;
• A data service exposing a clear API for users;
• High level supervision and monitoring applications to present the system and its data;
• Data analysis, to understand the performance of the system.

Your tasks will notably be to:

• Collect and analyse the requirements from the diverse stakeholders of the BIS;
• Design and develop the software solutions following the CERN quality standards;
• Regularly present the solutions to users and to collect feedback.

The skills and/or technologies you should have and/or know: 

• C++, Python3, PyQt, API design, Spark, Jupyter, Git;
• Java would be an asset;
• Ability to work in a team and to participate in design discussions;
• Scrum/Kanban would be an asset.