iRobot Corporation

Principal Opto-Mechanical Engineer

Product Development/Engineering
Requisition ID
Job Post Information* : Posted Date
1 week ago(1/9/2018 3:56 PM)


Further develop and challenge your career with one of the world’s foremost leaders in diverse consumer robotics.  We are continually creating robotic products that improve and enhance lives.


iRobot Corporation, founded in 1990 by three MIT associates, with a mission of “empowering people to do more” is at the forefront of the development of robotics and artificial intelligence technologies.  iRobot has a global presence and has become one of the world’s preeminent designers, and builders of consumer robots.  iRobot invests in the development and growth of its people, as well as a culture of empowerment, innovation and fun. Come work with some of the most talented and influential people in the robotics field, utilizing cutting edge technologies in an exciting and emerging industry.  Our employees not only enjoy our competitive health and wellness benefits, but also iRobot perks such as summer hours, robot discounts, and  “have fun” activities and events.


We are currently seeking a Principal Opto-Mechanical Engineer focused on the design, development, test, and qualification of optical components and assemblies.  The ideal candidate has expertise in ray-tracing, lensing, refraction and diffusion, and light path design over the visible and infrared spectrum.  Coupling that with a deep knowledge database in injection molded plastics and plastic optical component design will enable the candidate to deliver robust solutions for our challenging high volume, low cost product advancements.

Essential Functions/ Job Duties

  • Design and evaluate optical pathing in IR and visible light structures (lenses, light pipes, and windows) for performance, aesthetics, and clarity
  • Detailed optical component design and manufacturing requirements specification for as-molded plastic components and assemblies
  • Design for variation, tolerancing, and root cause evaluation
  • Design of componentry for mounting and lensing imaging systems in mobile applications
  • Integrate seamlessly across mechanical, electrical, and software engineering disciplines
  • Build optics toolset and develop/mentor other engineers in the practice of optics design


  • BS in Mechanical, Electrical Engineering or Physics (Masters of Science in Electrical, Mechanical Engineering or Physics, preferred)
  • 8+ years of experience in opto-mechanical design
  • 5+ years of experience in injection molded plastics part and mechanical systems design, preferred)
  • Deep knowledge in visible and IR spectrum optics (visual imaging is a plus)
  • Working analytical optics design knowledge / ray tracing (Zemax OpticStudio or Code V, preferred)
  • Deep body of knowledge in injection molded parts design
  • Strong 3-D CAD skillset (Pro-E/Creo, preferred)
  • Strong engineering first principles understanding and detailed product design using ANSI Y14.5, GD&T
  • Leadership, organizational, and communication skills
  • Understanding of DOE, design for variation
  • Experience in optics testing, and component validation preferred
  • Working knowledge of high volume manufacturing practices preferred
  • Fluency in finite element analysis and knowledge of FEM tools (ANSYS) preferred 


 Work Environment

  • High energy, technically challenging, and rewarding team environment
  • Modern office, with cafeteria, gym, and free electric car charging.
  • State-of-the-art on-site rapid prototyping, machine shop and test lab capabilities.
  • Minimal domestic travel required.  Overseas travel to Hong Kong and adjacent China mainland occasionally (one to three times per year, typically one week at a time), with more frequent travel to Far East required when approaching a complex production start. 

iRobot is an “Equal Opportunity Employer, Minority / Female / Veteran / Disabled

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