Calorimeter Detector Physicist

Vor 5 Tagen

Genf, Genf, Schweiz myScience Vollzeit
Calorimeter Detector Physicist (EP-ADE-CA-2025-52-LD)

CERN
Published 24 March 2025
Workplace Geneva, Lake Geneva region, Switzerland
Category Physics
Position Regular Employment / Collaborator
Company Description

At CERN, the European Organization for Nuclear Research, physicists and engineers are probing the fundamental structure of the universe. Using the world's largest and most complex scientific instruments, they study the basic constituents of matter - fundamental particles that are made to collide together at close to the speed of light. The process gives physicists clues about how particles interact, and provides insights into the fundamental laws of nature. Find out more on http://home.cern.

Job Description

Introduction

As an Applied Physicist specialised in particle detectors, you will join the Experimental Physics (EP) department, specifically the CERN Detector Group of the ATLAS experiment, a general-purpose detector exploiting the unique physics potential of the LHC as it concludes its Run 3 and enters its High-Luminosity phase. The Calorimeter section of the Detector Group has a leading role in the operation of the Liquid Argon (LAr) Calorimeter, the installation and commissioning of its Phase-II upgrade for HL-LHC as well as R&D activities for new calorimeter developments to be used in future accelerators. CERN, Take part

The responsibilities within the LAr calorimeter project of ATLAS will mainly be:

- The operation of the LAr calorimeter, especially its electronics, trigger electronics and associated software and firmware, for the remainder of Run-3.
- The on-site preparations for the Phase-II Upgrade of the LAr electronics at CERN as host lab and in the ATLAS cavern.
- The installation and commissioning of the LAr Calorimeter precision readout as well as the LAr Trigger electronics for Run-4.

Functions

You will:

- Take a leading role in the operation of the LAr calorimeter. This includes the supervision of a CERN-based team of technicians, students and scientists covering all aspects of the LAr calorimeter operation.
- Coordinate the efforts at CERN for all tests, including reception of deliverables and system tests, needed for the construction of the new LAr electronics for HL-LHC assisting the LAr community at large.
- Take a leading role in the preparations for installation and commissioning of the new LAr electronics on the ATLAS detector as well as prepare and lead a team to transition the current software and firmware integrated in the ATLAS environment to the one needed for the upgraded electronics.
- Contribute to the simulation, design and development efforts in the context of CERN's R&D activities related to Noble Liquid Calorimeters for future detectors.

In due time you will be one of the leading physicists within the team for the installation, commissioning and operation of the upgraded LAr Calorimeter.

Qualifications

PhD or equivalent relevant experience in the field of Physics, with specialization in particle detectors or a related field.

Experience:

- Proven post-doctoral experience in the development and operation of particle physics detectors in general and calorimeters in particular.
- Experience with installing and commissioning new subdetector electronics and integrating a system within a particle collider experiment.
- Demonstrated experience with carrying out particle detector data analysis, especially in terms of detector operation and performance.
- Hands-on experience with hardware firmware and software for detectors, detector control and readout.
- Proven experience in coordinating multi-disciplinary teams of physicists, engineers and technicians.
- Demonstrated experience in developing data acquisition, data handling and analysis for detector and electronics tests.

Technical competencies:

- Knowledge and application of calorimetry methods and techniques.
- Assembly and integration of detectors.
- Simulation, design and development of (parts of) detectors.
- Analysis and optimization of detector performance.
- Development of data acquisition, data handling and analysis for detector operation and readout.

Behavioral competencies:

- Working in Teams: cooperating constructively with others in the pursuit of team goals; balancing personal goals with team goals. Contributing to promoting a positive atmosphere in the team through an optimistic and constructive attitude; addressing issues.
- Achieving Results: driving work / projects along and seeing them through to their conclusion Dividing extensive work / projects into manageable sub-tasks with clearly defined milestones. Taking appropriate corrective actions and adapting work / project plans if necessary.
- Managing Self: demonstrating a receptive approach to feedback; being open to criticism and reconsidering position accordingly. Remaining objective, focused and productive in a stressful environment; focusing on solutions rather than problems. Taking initiative beyond regular tasks and making things happen.
- Communicating Effectively: delivering presentations in a structured and clear way; adjusting style and content to the audience; responding calmly and confidently to questions leveraging support networks across the organization.
- Solving Problems: assimilating large quantities of information, identifying key issues and formulating conclusions clearly and concisely. Identifying, defining and assessing problems, taking action to address them. Recognizing what is essential; discriminating between important and peripheral information and being able to see the whole picture

Language skills:

Spoken and written English: ability to understand and speak in professional contexts. Ability to draw up technical specifications and/or scientific reports and to make oral presentations. Ability to understand and speak, or willingness to learn and improve French.

Additional Information

Eligibility and closing date:

Diversity has been an integral part of CERN's mission since its foundation and is an established value of the Organization. Employing a diverse workforce is central to our success. We welcome applications from all Member States and Associate Member States .

This vacancy will be filled as soon as possible, and applications should normally reach us no later than 21 April 2025 at 23:59 CET.

Employment Conditions

Contract type: Limited duration contract (4 years). Subject to certain conditions, holders of limited-duration contracts may apply for an indefinite position.

Working Hours: 40 hours per week

This position involves:

- Work in Radiation Areas.
- Interventions in underground installations.
- Work during nights, Sundays and official holidays, when required by the needs of the Organization.
- Given the occupational health risks associated with this position, the selected candidate must obtain medical clearance before a contract offer is confirmed.

Job grade: 6-7

Job reference: EP-ADE-CA-2025-52-LD

Benchmark Job Title: Applied Physicist

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