Principal Data Scientist

Location: Chelmsford, MA, United States of America


ZOLL Medical is a growing, innovation-driven company on the forefront of delivering medical devices to save lives, and software solutions to improve efficiency. With customers in more than 140 countries, we continue to expand our reach, as well as our product offerings. Hospitals, emergency medical services (EMS), and others trust us to provide high-quality products and exceptional customer service. ZOLL products are used every day across the globe to save the lives of people who suffer sudden cardiac arrest and other critical illnesses. From Real CPR Help® technology—an industry first—to the world’s only wearable defibrillator, our capabilities and features set us apart. But none of this would be possible without the motivation and dedication of ZOLL employees, and we’re invested in their success.

We offer competitive salaries and a comprehensive benefits package. Join our team. It’s a great time to be a part of ZOLL!

The Principal Data Scientist is responsible for developing signal processing algorithms, pre-clinical and clinical data pipelines, and automated analytics in a largely self-directed manner. The Principal Data Scientist will serve as a mentor to Research and Data Scientists and will assist Scientific Affairs in the supervision and training of Research and Data Scientists, with a focus on data analysis efforts. The Principal Scientist will establish and maintain relationships with KOL’s and cooperate with the Clinical Affairs department to maintain and evolve clinical data pipelines. The individual will be a key participant on clinical trial development teams and will support other departments within the company as needed.

Essential Functions:

Data Analysis

  • Develop algorithms and analyze preclinical and clinical data sets

  • Develop stochastic and deterministic models of pathophysiology and patient treatment

  • Prepare abstracts, presentations, and manuscripts and present research at scientific meetings and to customers

  • Facilitate data collection, data storage and data auditing for preclinical and clinical data sets.

  • Develop and maintain code repository for Scientific Affairs department.

Project Management

  • Lead ongoing database development and computational modeling projects

  • Coordinate data development efforts with internal and external stakeholders

  • Develop and maintain KOL relationships


  • Mentor and supervise Research and Data Scientists

  • Develop and train team on data analysis methods and best practices

  • Participate in clinical development teams, and support Clinical Affairs with site management, as needed

Skill Requirements:

  • Demonstrated expertise in organizing, processing, analyzing, and presenting physiological data, including statistical analyses.

  • Demonstrated interest in developing data analysis expertise in others

  • Excellent written and verbal communication skills as demonstrated through presentations and publications

  • Demonstrated expertise in data modeling and relational database development is preferred.

  • Strong programming experience with STATA, Python, and/or MATLAB is preferred.

Required/ Preferred Education and Experience:

  • PhD in a Data Science related field (e.g. Computer Science, Statistics, Mathematics, Bioinformatics, etc)

  • 6+ years of relevant experience

  • Background in physiology and/or medicine, either through education or professional experience. Experience with prehospital medicine (e.g. emergency medicine, military medicine, trauma) or cardiology is preferred.

Other Duties:

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities that are required of the employee for this job.  Duties, responsibilities, and activities will be reviewed periodically as duties and responsibilities change with business necessity.  Essential and marginal job functions are subject to modification.


ZOLL Medical Corporation appreciates and values diversity.  We are an Equal Opportunity Employer M/F/D/V. 


ADA:  The employer will make reasonable accommodations in compliance with the Americans with Disabilities Act of 1990