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Modeler/Data Scientist I (Epidemiology)

Johns Hopkins University
United States, Maryland, Baltimore
Mar 10, 2026

We are looking to hire a talented and team-orientedModeler/Data Scientist Ito lead modeling efforts related to population-level spread of infectious diseases, specifically tuberculosis. This Data Scientist/Modeler will work with Dr. David Dowdy and the JHU Center for Tuberculosis Research at JHU on two projects that aim to forecast the population-level impact of TB vaccines and demand-generation interventions, respectively. This position is ideal for candidates looking to boost their academic productivity and reputation (e.g., through first-author manuscripts and collaborations with content experts) over a 1.5-year timeframe.

The Data Scientist I will support the management of complex databases as well as develop, maintain, and document code. The Data Scientist will collect and extract data using a variety of data extraction tools and carry out data management, visualization, and analysis tasks.

Specific Duties & Responsibilities

  • Support the development of calculations and reports, which will require programming.
  • Support the development and tuning of epidemiological models, which will require programming.
  • Support the development of infrastructure for cleaning and processing data and running experiments to evaluate system performance.
  • Mine various data resources for development of key metrics, calibration targets, and general data useful for planning and research study design.
  • Perform error analysis and model calibration; suggest and implement improvements.
  • Other duties as assigned.

In addition to the duties described above

  • Develop epidemiological models and calibrate those models to available data.
  • Participate in the development of data tools and resources for these analyses.
  • Conduct calculations and analyses to support the use of data (including in the scientific literature).


Minimum Qualifications
  • Bachelor's Degree.
  • Four years of relevant quantitative research and analytics experience, with at least two of those years including complex programming experience.
  • Additional education may substitute for required experience and additional related experience may substitute for required education beyond a high school diploma/graduation equivalent, to the extent permitted by the JHU equivalency formula.


Preferred Qualifications
  • Master's or Doctoral Degree in Epidemiology or related field.
  • Experience with coding in R (or python), including the use of generative AI tools and best practices for data reproducibility (e.g., tidyverse), visualization (e.g., ggplot), and version control (e.g., git).
  • Experience in developing mechanistic models for infectious diseases.

Technical Skills & Expected Level of Proficiency

  • Continuous Improvement - Developing
  • Data Architecture - Developing
  • Data Management and Analysis - Developing
  • Data Tools and Platforms - Developing
  • Data Validation and Quality Assurance - Developing
  • Data Visualization - Developing
  • Machine Learning - Developing
  • Oral and written communications - Developing
  • Programming Languages - Developing

The core technical skills listed are most essential; additional technical skills may be required based on specific division or department needs.

Classified Title: Data Scientist I
Job Posting Title (Working Title):Modeler/Data Scientist I (Epidemiology)
Role/Level/Range: ATP/04/PH
Starting Salary Range: $99,800 - $175,000 Annually (Commensurate w/exp.)
Employee group: Full Time
Schedule: Monday to Friday: 9:00am - 5:00pm
FLSA Status:Exempt
Location: Hybrid/School of Public Health
Department name: Epidemiology
Personnel area: School of Public Health

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