Staff Engineer, Human Factors, Product Development

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At Exact Sciences, we’re helping change how the world prevents, detects and guides treatment for cancer. We give patients and clinicians the clarity needed to make confident decisions when they matter most. Join our team to find a purpose‑driven career, an inclusive culture, and robust benefits to support your life while you’re working to help others.

The Staff Engineer, Human Factors, Product Development is a key problem solver and core team leader involved in cross‑functional product development projects for In Vitro Diagnostics (IVD) medical devices from product concept to launch. This position will use expert technical skills to conceive, plan and lead R&D product development usability activities to achieve project goals. It will leverage an understanding of usability engineering and human factors engineering methods and principles to influence the course of product development activities.

The candidate shall have extensive knowledge about human behavior, abilities, limitations, and other characteristics to apply to the design of medical devices.

• Leads planning, execution, and documentation of human factors engineering (HFE) and usability studies for IVD medical devices, ensuring compliance with IED 62366 and FDA human factors guidance.
• Conducts formative and summative usability testing, user research, and cognitive task analysis to assess user‑device interaction, identify use errors, and inform design improvements.
• Manages usability and human factors requirements, including creation, decomposition, traceability, and validation of requirements derived from user needs and voice of customer.
• Leads use‑related risk management activities, including Use Failure Modes and Effects Analysis (uFMEA), Hazard Analysis related to use errors, and risk mitigation strategies.
• Ensures comprehensive HFE documentation in Design History File (DHF); collaborates with Quality and Regulatory teams to support premarket submissions and compliance with usability engineering standards.
• Drives cross‑functional collaboration with hardware, software, reagent, manufacturing, and quality teams, providing HFE expertise, technical leadership, and influence on product design and user experience.
• Upholds company mission and values through accountability, innovation, integrity, quality, and teamwork.
• Supports and complies with the company’s Quality Management System policies and procedures.
• Maintains regular and reliable attendance.
• Ability to act with an inclusion mindset and model these behaviors for the organization.
• Ability to work nights and/or weekends, as needed.
• Ability to work on a mobile device, tablet, or in front of a computer screen and/or perform typing for approximately 90 % of a typical working day.
• Ability to grasp with both hands; pinch with thumb and forefinger; turn with hand/arm; reach above shoulder height.
• Ability to comply with any applicable personal protective equipment requirements.
• Ability and means to travel 5 % between Exact Sciences locations.
• Ability to travel 5 % of working time away from work location, may include overnight/weekend travel.

• Bachelor’s degree in a field related to the essential duties.
• 8+ years of relevant experience in human factors engineering, usability engineering, or product development for medical devices, IVD diagnostics, biotechnology, pharmaceutical, or regulated clinical environments.
• Demonstrated experience leading usability studies, user research, and compliance activities for complex medical devices or user‑facing regulated systems.
• Demonstrated ability to perform the Essential Duties of the position with or without accommodation.

• Bachelor’s degree in Usability/Human Factors Engineering.
• Advanced degree (Masters / PhD).
• Experience with international standard IEC 62366‑1 (Application of usability engineering to medical devices).
• Experience with next generation sequencing, immuno‑histochemistry, in‑situ hybridization, PCR, methylation.
• Experience with instrument automation or scientific instrumentation.
• Experience with system analysis, model‑based system engineering, and system…