Sr. Human Factors Engineer I
Posted on 3/22/2024
iRhythm Technologies

1,001-5,000 employees

Digital healthcare solutions for disease detection and prevention
Company Overview
iRhythm Technologies, Inc. stands out as a leader in digital healthcare, utilizing wearable biosensors and cloud-based analytics to transform vast amounts of data into actionable clinical insights. Their patient-centric approach is evident in their product design, such as their breathable, waterproof monitor, which has achieved an impressive 99% patient compliance rate. This focus on patient care, combined with their proprietary algorithms, positions iRhythm as a competitive force in disease detection, prediction, and prevention.
Data & Analytics

Company Stage


Total Funding





San Francisco, California

Growth & Insights

6 month growth


1 year growth


2 year growth

San Francisco, CA, USA
Experience Level
QA & Testing
Quality Assurance
  • BS/MS in Human Factors, or in a science/engineering discipline with relevant experience.
  • 3-5 years of Human Factors experience in design-controlled processes, especially in regulated domains like medical devices.
  • Understanding of regulatory requirements, strong knowledge of medical device design and FDA guidelines, familiarity with HE75 and IEC 62366-1, -2.
  • Cross-functional experience in risk management activities, including FMEA expertise.
  • Proficiency in leading Human Factors processes, including study design, moderation, and execution.
  • Exceptional technical problem-solving, interpersonal, and communication skills (verbal and written).
  • Experience managing 3rd party vendors.
  • Willingness to work on-site at the San Francisco office (2-3 days a week) and be available for up to 25% travel, including domestic and international trips.
  • Strategize, execute, and document usability engineering evaluations, including task analyses and human factors studies.
  • Author formative and summative usability study protocols, and plan, coordinate, and moderate usability studies.
  • Perform root cause analysis of use errors and aggregate data for presentations and formal reports.
  • Author and update usability risk analyses in collaboration with cross-functional stakeholders.
  • Collaborate with Verification & Validation (V&V) teams during Design Validation and Summative Human Factors Validation.
  • Partner with Quality teams to address complaints related to usability on-market products.
  • Work with design teams to create patient-centric and compliant designs.
  • Assist in developing usability engineering processes for Quality system improvements.
  • Support inquiries, audits, and discussions with regulatory agencies.