Staff Mechanical Engineer

Butterfly Network•Burlington, MA
•$150,000•Hybrid

About The Position

As a member of Butterfly Network’s mechanical product development team, the Staff Mechanical Engineer will use mechanical design experience and creativity to help develop ultrasound technology and clinically impactful imaging solutions. Working independently as part of a cross-functional team, this role drives the design, analysis, and prototyping of new concepts, proves out designs, and scales them for volume manufacturing. The role focuses on high-quality, complex medical imaging products and accessories, from requirements and feasibility through detailed design, verification, and manufacturing documentation. This is a hybrid position based at the company’s office in Burlington, Massachusetts. Domestic travel to New York City and San Francisco, and international travel mainly to China and Thailand, may be required up to 10%.

Requirements

  • 10+ years of experience designing precision, reliable, high-quality mechanical systems for high-volume manufacturing.
  • Ability to apply first-order engineering principles to design, including statics, dynamics, and thermal systems.
  • Strong familiarity with design-for-X competencies, including manufacturing, test, assembly, and reliability, and experience working with local and global suppliers and manufacturing partners.
  • Expertise in tolerance analysis and its statistical application, including GD&T, RSS, SPC, Cp, and CpK.
  • High proficiency in SolidWorks and PLM systems.
  • Track record developing complex electromechanical systems at scale, with a solid understanding of thermal management solutions.
  • Excellent communication, organization, and presentation skills.
  • Ability to travel domestically and internationally up to 10%.
  • Legally authorized to work in the United States without requiring employment visa sponsorship now or in the future.

Nice To Haves

  • Experience with verification and validation procedures and development gates for 510(k) medical products.
  • Familiarity with advanced chip packaging techniques and their impact on mechanical systems and architectures.
  • Familiarity with a variety of 3D printing methodologies and solutions for prototyping components and fixtures.
  • Experience working with cross-functional teams including Electrical Engineering, Industrial Design, Embedded Software, Reliability, and Operations.

Responsibilities

  • Lead development and definition of core mechanical systems for complex medical imaging products and accessories, working across functions to gather requirements, evaluate feasibility, perform detailed design and analysis, and create manufacturing release documentation.
  • Champion continuous improvement, mechanical and system design best practices, and improvements to internal tools and standards.
  • Translate top-level product and engineering requirements into detailed mechanical engineering hardware specifications.
  • Analyze mechanical architecture and design trade-offs and provide final design recommendations.
  • Design, simulate, and verify mechanical, thermal, and assembly performance of components, subassemblies, finished devices, and accessories.
  • Design and produce or outsource fixtures and jigs to support prototyping, debugging, and characterization.
  • Collaborate with Electrical Engineering to test and verify EMI, EMC, and ESD performance.
  • Incorporate design-for-X, design-for-manufacturing, and design-for-assembly practices, selecting materials and designs that optimize manufacturability and assembly.
  • Perform hardware failure analysis and root-cause diagnosis, and implement and validate corrective actions.
  • Author clear, comprehensive hardware specifications and engineering build documentation.
  • Collaborate with internal cross-functional teams to resolve complex technical issues.
  • Present technical issues in multidisciplinary settings and communicate issue status and resolution plans.
  • Participate in R&D efforts to evaluate new technology solutions.
  • Perform a broad variety of tasks in support of the role and responsibilities.

Benefits

  • Comprehensive health insurance, including dental and vision coverage.
  • Annual company contributions to Health Savings Accounts for enrolled employees.
  • Employee Assistance Program with resources for emotional health and day-to-day needs.
  • 401(k) plan with matching contributions.
  • Eligible employees may participate in the Employee Stock Purchase Plan (ESPP).
  • Unlimited paid time off and 10 holiday days per year.
  • Parental leave, with additional support for primary caregivers transitioning back to work.
  • Competitive salaried compensation, bonus, equity, and benefits.
  • Equity participation for employees.
  • Opportunity to work on a healthcare product intended to save lives.
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