Usability and Human Factors Engineer

Location: Chelmsford, MA


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. 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!

Job Summary:

As a Usability Engineer in the Chelmsford MA R&D department, you will have an opportunity to provide human factors and usability engineering support to a variety of new product development and enhancement projects in the Resuscitation division. You will be part of a growing usability team whose activities include understanding users, developing usability plans and protocols, performing use-related hazards analysis, participating in design and making recommendations, executing formative and summative studies and providing usability support for regulatory submissions. Key to your success will be your ability to communicate effectively and to work well with teams. Occasional travel required.

Essential Functions:

  • Develop usability documentation for design history files, including usability plans, use specifications, task analysis, usability assessments of feature modifications, usability engineering files and reports

  • Drive the early identification of user needs and potential use hazards, collaborate with development teams to define design solutions

  • Conduct regular usability testing to gather feedback from users throughout the development cycle and perform usability validations

  • Understand user workflows through interviews, field observations and usability testing

  • Keep pace with national and international Human Factors guidance’s and know how to apply them

  • Contribute to internal usability best-practices

Skills Requirements:

  • Experience moderating usability tests for medical devices is preferred

  • Excellent writing skills, experience authoring usability test reports is preferred

  • Strong communication skills, must be able to communicate effectively with internal stakeholders and users

  • Can work on concurrent projects with minimal supervision, delivers on commitments

Required/Preferred Education and Experience:

  • BS or MS in Human Factors Engineering, Biomedical Engineering, or other engineering discipline preferred (software, mechanical, etc.)

  • 0 – 2+ years of usability engineering work experience in medical devices

  • Working knowledge of the FDA Usability Engineering Guidance, IEC 62366, 60601-1-6, MDR, and HE75 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