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CE
CERN
7d ago

Data Reduction Physicist(m/w/x)

Genf
from CHF 6,372 - 7,004 / month
Full-timeOn-siteExperienced

Description

You will lead the design of innovative data tiers for the CMS High-Level Trigger, balancing high-throughput GPU processing with advanced AI techniques to revolutionize real-time reconstruction.

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Requirements

  • •Contributions to trigger or reconstruction in HEP
  • •Understanding of end-to-end HEP experiment operations
  • •Experience in international collaborations (Advantageous)
  • •Knowledge of LHC experiments (Advantageous)
  • •Expertise in data compression techniques (Advantageous)
  • •Experience applying AI/ML methods (Advantageous)
  • •Proficiency in GPU programming (Advantageous)
  • •High proficiency in C++, Python, and ROOT
  • •Understanding of event reconstruction and HEP formats
  • •Spoken and written English
  • •Commitment to learn French
  • •National of CERN Member or Associate State
  • •Background in Physics or related field
  • •Master's with 2-6 years or PhD with 0-3 years experience
  • •No previous CERN fellow or graduate contract

Education

Master's degree
OR
Doctoral / PhD

Work Experience

2 - 6 years

Tasks

  • •Design next-generation data structures for maximum reduction
  • •Preserve physics performance and analysis flexibility
  • •Develop accelerator-native formats optimized for GPU processing
  • •Build frameworks to quantify lossy compression impact
  • •Establish clear metrics and automated regression tests
  • •Benchmark compression performance under realistic workloads
  • •Advance lossless compression using AI and ML techniques
  • •Improve raw data structures for faster access

Tools & Technologies

C++PythonROOTGPUCI/CDAI/ML

Languages

English – Business Fluent

French – Basic

Benefits

More Vacation Days

  • •30 days of paid leave
  • •2 weeks annual closure

Healthcare & Fitness

  • •Comprehensive health insurance scheme

Retirement Plans

  • •CERN Pension Fund membership

Family Support

  • •Family monthly allowances

Additional Allowances

  • •Child monthly allowances
  • •Infant monthly allowances
  • •Installation grant
  • •Travel expenses reimbursement

Other Benefits

  • •Relocation package

Job Security

  • •Contract extension possibility

Learning & Development

  • •On-the-job training
  • •Formal training
  • •Language classes
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