Principal Engineer, Electrical Engineer

Job Description

The Principal Electrical Engineer is a senior technical leader responsible for developing Butterfly’s industry‑leading ultrasound products from concept to commercial launch and production scale‑up. They define electrical architectures, set engineering standards, and solve complex technical challenges across products and systems. This role combines deep hands‑on expertise with technical leadership, mentorship, regulatory rigor, and cross‑functional influence. The Principal Electrical Engineer operates with a high degree of autonomy and is recognized as a subject‑matter expert within the organization.

• Lead electrical architecture and design for medical devices across the full product lifecycle, from early feasibility and risk analysis through design transfer, manufacturing, and post‑market support.
• Investigate and resolve complex technical issues arising during development, verification, manufacturing, and field use.
• Collaborate closely with mechanical, firmware, software, systems, quality, regulatory, manufacturing, and clinical teams.
• Serve as the technical authority for critical design decisions, trade studies, and risk management activities.
• Evaluate and introduce new technologies, components, and design methodologies to improve safety, reliability, and manufacturability.
• Partner with contractors and external partners on development of novel medical and non‑medical ultrasound‑based systems to be used in a variety of settings and industries.
• Define and maintain electrical engineering standards, best practices, and design controls aligned with medical device quality systems.
• Drive system‑level requirements decomposition and ensure traceability between user needs, design inputs, and electrical design outputs.
• Author, review, and approve schematics, PCB layouts, analyses, and verification/validation plans.
• Ensure electrical designs comply with applicable medical device standards and regulations, including IEC 60601, ISO 14971, IEC 62304 (as applicable), FDA 21 CFR Part 820, and MDR/IVDR where relevant.
• Lead and support electrical risk management activities, including hazard analysis, FMEA, and fault tree analysis.
• Support supplier selection, component qualification, and technical audits for critical electrical components and subsystems.
• Mentor and coach engineers on technical execution, design controls, and regulatory expectations.

• A minimum of a BS in Electrical Engineering or related technical disciplines;
  Master or Ph.D. preferred.
• 10+ years of electrical system design / development for medical devices.
• Expert‑level knowledge of analog and digital circuit design, power management, and system integration for medical devices.
• In‑depth knowledge of and experience with medical device development across the entire product development lifecycle from concept to commercialization, Class II/III medical device experience under IEC 60601.
• Extensive experience with schematic capture, PCB design and review, and design for manufacturability (DFM) and testing (DFT).
• Strong understanding of electrical safety, EMC/EMI, signal integrity, power integrity, and reliability in medical environments.
• Demonstrated experience working within design control and quality management systems.
• Proven ability to provide technical leadership without direct authority and influence cross‑functional teams.
• Excellent written and verbal communication skills, including technical documentation for regulatory submissions.
• Experience working with global or cross‑cultural engineering teams.

• Patient‑Centric Innovators:
  Our mission is the mission.
• Empowered to Impact:
  Every voice matters.
• One Team, One Goal:
  Unity fuels progress.
• Growth Champions:
  We embrace challenges.
• Action‑Oriented Achievers:
  We follow through, every time.

Butterfly offers a hybrid work model for most positions, with team members spending two or more days a week in the office. The position will be based out of our office in either the Greater SF Bay Area or Burlington, MA.

• Comprehensive health insurance, encompassing dental and vision coverage, with a 100% coverage base plan and optional Buy‑Up Plans.
• Health Savings…