Opto-Mechanical Engineer | Quadratic 3D

Date Posted: 
Wednesday, May 4, 2022
Position Location: 
Charlestown, MA
Job Description: 


Quadratic 3D is a well-funded startup revolutionizing the concept of 3D printing to open new applications. This is no-supports, high speed volumetric printing. Veteran entrepreneurs and engineers guide the company with a deep commitment to transparency in a high-trust environment. We focus relentlessly on rapid results with fast customer feedback loops. Make a broad impact as an early team member!


We are seeking an opto-mechanical engineer for key roles in the conceptualization, design, and development of optical systems for next-generation 3D printers in a fast-paced multidisciplinary environment. Successful candidates will be passionate about opto-mechanical system design and analysis, 3D printing, building machines, and working on complex problems that involve advanced materials, optics, and systems. Good news: it’s serious fun!


  • Perform a wide range of mechanical engineering tasks at the system and subsystem levels, for example: defining mechanical system requirements, designing a wide range of mechanical assemblies (for example: enclosures, component mounts, test fixtures, calibration fixtures, etc), building and aligning mechanical systems, mechanical testing
  • Specify and build, or externally source, specified opto-mechanical components
  • Brainstorm new system architectures and converge on feasible optical and opto-mechanical designs
  • Build, test, and refine prototypes alongside optical engineering team
  • Comply with EH&S requirements and promote safety in the work environment.

Minimum Qualifications:

  • BS degree in Mechanical Engineering or a related technical discipline 
  • Highly motivated and enthusiastic with a track record of innovative design work
  • 5+ years experience designing and developing opto-mechanical systems in an industrial setting
  • Broad mechanical engineering design skill set, including experience with optical components (light sources, imaging systems, illumination systems, detectors), stages, enclosures, fixtures
  • Significant hands-on experience with specifying, building, aligning, and testing mechanical systems
  • Experience with mechanical test equipment, tools, and techniques
  • Proficient in SolidWorks 
  • Excellent communication and organizational skills 
  • Ability to work independently as well as part of team
  • Great documentation, experimental design, data analysis, and result recording skills

Preferred Qualifications:

  • MS degree of 10+ years of industry experience in mechanical engineering or closely related field
  • Strong ability for hands-on troubleshooting
  • Experience in working closely with an optical engineer to design and develop optomechanical assemblies
  • Experience with design verification and validation, stage gate process, full life cycle product launch
  • Experience in design for manufacturability
  • Experience in bringing an idea from initial concept to prototype to customer ready product
  • Experience in collaborating with external stakeholders
  • Experience in calibration methods, statistical methods, and data analysis methods
  • Experience in working as part of an interdisciplinary team
  • Experience in coding for instrument control or scripting (C / C++) and data analysis using MATLAB, Python or similar
  • Experience with and strong interest in additive manufacturing
  • Advanced knowledge of materials and structural modeling/optimization


  • We offer competitive compensation packages in our VC-backed startup
  • Benefits include a full suite of offerings covering medical, dental, vision and 401k plan.
  • Beautiful setting looking out over a river and seaport; outdoor seating and picnic areas.
  • Highly collaborative work environment.

Additional Information:

Travel: Occasional travel may be required from time to time

Location: Charlestown, Massachusetts

We value diversity in our company and are an Equal Opportunity Employer.


Please email your resume to 3Dcareers@quadratic3d.com with a cover letter explaining why you are an A+ star contributor.