Near-Real-Time HLT Calibration Scientist

CERN; Genf; Hybrid; CHF 71,000 - 78,000; Full time

Benefits offered by this job

Net monthly stipend CHF 6,372–CHF 7,J0

30 days leave + 2 weeks annual closure

Health insurance ( CERN Pension Fund )

Family allowances

Relocation package

Contract extension up to 36 months

On-the-job and formal training

Job summary

CERN in Geneva invites applications for a High-Level Trigger Calibration Scientist (EP-CMS-TDQ-2026-150-GRAP). The position is full-time with a hybrid work model, 40 hours per week, 24 months with possible extension.

You will develop calibration workflows, work with CMS DPGs/POGs, maintain the NGT Demonstrator, design production-grade systems, test integrations, and contribute to reports on online calibrations' impact on physics performance.

Qualifications

• Experience in the design, development, and validation of calibration workflows for high-energy physics experiments.
• Knowledge of Python and C++ programming, and database management systems.
• Experience with Trigger and Data Acquisition (TDAQ) systems and associated hardware.
• Practical experience developing software algorithms within an integrated framework.
• Proficient use of GitHub, GitLab and CI practices.

Responsibilities

• Work with CMS DPGs and POGs to develop and improve calibration algorithms.
• Maintain the NGT Demonstrator System and ensure operability in replay mode.
• Contribute to the design of production-grade NGT Data Acquisition and Calibration System.
• Integrate and test the system within the CMS online infrastructure.
• Conduct thorough testing of the NGT system across operational scenarios.
• Produce reports evaluating the impact of online calibrations on physics performance.
• This role includes team supervision responsibilities.

Skills

Calibration workflows

Python

C++

TDAQ systems

GitHub/GitLab

CI/CD practices

Distributed computing

Education

Master's degree in Applied Physics

PhD in a related field

Tools

GitHub

GitLab

CI/CD pipelines

Databases

Job description

CERN in Geneva invites applications for a High-Level Trigger Calibration Scientist (EP-CMS-TDQ-2026-150-GRAP). The position is full-time with a hybrid work model, 40 hours per week, 24 months with possible extension.

You will develop calibration workflows, work with CMS DPGs/POGs, maintain the NGT Demonstrator, design production-grade systems, test integrations, and contribute to reports on online calibrations' impact on physics performance.