This website uses cookies to help provide a better user experience.

By checking this box, you consent to that use and our Privacy Policy.

Principal Design Quality Assurance 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:

This position reports to the Manager, Design Quality Assurance (DOA) and provides technical leadership and technical oversight to the validation test development and execution work in R&D. The Principal DOA Engineer will also be a hands-on participant in his/her assigned product development projects meaning he/she will also conduct functional testing as needed.

As an integral development team member, the Principal DOA Engineer will be an active participant in, and in some cases lead Test Plan reviews with others in R&D. He/she will provide test recommendations to others in DOA and to the development team as needed; especially to other members of the DOA group.

The Principal DQA Engineer will also be an active participant in product and subsystem requirements development ensuring that all product requirements are testable and correct.

Essential Functions:

  • Mentoring less experienced DQA Engineers as needed to teach them how the products work and the proper way to test them
  • Implementing, reviewing and creating validation/verification test cases and test plans, both for DOA and the development teams.
  • Work with the product development teams to isolate failure modes and capture methods to reproduce product problems
  • Reviewing and creating new/enhanced product requirements to ensure that the products are testable and meet both written and implied requirements
  • Perform all testing as assigned
  • Identifying, reporting, and following up on test failures and observed defects

Skill Requirements:

  • Clear and complete understanding of effective software test design especially as it relates to system level testing of embedded systems
  • Sound knowledge of all relevant Medical Device industry standards
  • Demonstrated accomplishments in the development of software and hardware testing processes and programs
  • Detailed understanding of the underlying biomedical principles and clinical applications of the products under test and appreciation for the end user clinical needs and practices
  • Proficient with MS/Office, demonstrated ability to learn and use software engineering tools and applications in MS Windows and Linux environments
  • Excellent written, verbal and interpersonal skills

Required/ Preferred Education and Experience:

  • BS, Software Engineering, Electrical Engineering, Biomedical Engineering or equivalent, Advanced Degree Preferred.
  • 7+ years' experience testing software in a product development environment, at least 5 years testing in the Medical Device industry

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