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Design Engineer III, Optical Design

Purpose of the Position

This senior level position is responsible for the optical design, tolerancing, and characterization of high-end color corrected diffraction limited microscope objectives and imaging lenses.  An understanding of lens manufacturability, alignment, and assembly of tightly-toleranced lens systems is required, along with the ability to work on optical designs with limited guidance in a fast-paced environment.  As a senior member of the engineering team, you may be called on to mentor and guide less experienced engineers with projects and technical challenges, and to provide longer term guidance on new product areas to pursue.  Although the location of the position is in Newton, NJ, from time to time it may be required to undertake duties at other Thorlabs locations.

Essential Job Functions include the following, but are not limited to:

 

  • Develops and characterizes high-end color corrected diffraction limited microscope objectives and imaging lenses.
  • Works closely with mechanical engineers to ensure that mechanical designs meet required system tolerances
  • Documents project work and, at times, leads project and technical discussions
  • Monitors and studies the latest trends and technological advancements in the field of optical design and high-resolution imaging, as they relate to new product ideas
  • Works closely with manufacturing on prototypes, and takes ownership of the characterization of lens systems
  • Develops, monitors, and maintains product development schedules
  • Creates specifications and technical documentation
  • Create and present effective technical presentations for product development or training purposes
  • Mentor less experienced engineers/draftsman to assure their knowledge and skills provide them the experience they need to complete assigned projects independently, efficiently, and safely.
  • Complies with safety regulations and maintains clean and orderly work areas

 

The Company retains the right to change or assign other duties to this position.

Qualifications

Experience:

  • Minimum 10 years of demonstrated experience designing and characterizing diffraction limited multi-element lens system

Education:

  • Minimum of a bachelor’s degree in Optical Engineering, or a related discipline

Specialized Knowledge and Skills:

  • Knowledge of current lens fabrication, alignment, and assembly techniques
  • Experience working with, and guiding mechanical engineers towards efficient mechanical lens system designs
  • Experience with interferometric testing of diffraction limited lens systems
  • Working knowledge of 3D modeling software such as SolidWorks
  • Advanced knowledge of Zemax Optical Modeling Software or equivalent
  • Strong sense of ownership and work ethic, written and verbal communication skills
  • Strong ability to work well in a group atmosphere, and comply with high quality standards
  • Strong ability to shift from one task to another to address changing priorities

Direct Reports:

This position has no direct supervisory responsibilities but does serve as a coach and mentor for other positions in the department.

Thorlabs values its diverse environment and is proud to be an Equal Employment Opportunity/Affirmative Action employer.  All qualified individuals will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age or veteran status. Job descriptions are not intended as and do not create employment contracts.  The organization maintains its status as an at-will employer.  Employees can be terminated for any reason not prohibited by law.

Thorlabs offers a complete benefits package that includes medical, dental and vision insurance, company paid life insurance, a generous PTO package, a 401(k) plan, and tuition reimbursement just to name a few.

Average salary estimate

$105000 / YEARLY (est.)
min
max
$90000K
$120000K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

What You Should Know About Design Engineer III, Optical Design, Thorlabs

Thorlabs is on the lookout for an innovative and driven Design Engineer III specializing in Optical Design. In this senior-level role, you'll be diving deep into the optical design, tolerancing, and characterization of premium color corrected diffraction limited microscope objectives and imaging lenses. Your expertise will guide our engineering team as you work on cutting-edge products, fostering collaboration with mechanical engineers to ensure that all designs meet stringent system tolerances. If you're passionate about contributing to high-resolution imaging technology, this may be the place for you! We're not just about individual contributions; as a Design Engineer III, you will mentor budding engineers, sharing your knowledge and guiding them to tackle complex projects. Whether developing new ideas or refining existing designs, you'll be making a notable impact on our product development process while also keeping pace with the latest trends in the optical field. The role requires a minimum of 10 years' experience in designing diffraction limited multi-element lens systems, paired with a bachelor’s degree in Optical Engineering or a related field. Proficiency in Zemax Optical Modeling Software and 3D modeling tools such as SolidWorks will be key in your journey with us. While the role's primary location is in Newton, NJ, occasional travel to other Thorlabs sites may be necessary. Join us at Thorlabs and be a vital part of our mission to drive innovation in optical design!

Frequently Asked Questions (FAQs) for Design Engineer III, Optical Design Role at Thorlabs
What are the main responsibilities of a Design Engineer III at Thorlabs?

As a Design Engineer III at Thorlabs, your primary responsibilities include designing and characterizing high-end color corrected diffraction limited microscope objectives and imaging lenses. You will collaborate closely with mechanical engineers to ensure designs adhere to system tolerances, document project work, and lead project discussions. Your role also involves mentoring less experienced engineers and keeping abreast of the latest trends in optical design technology.

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What qualifications do I need to apply for the Design Engineer III position at Thorlabs?

To apply for the Design Engineer III position at Thorlabs, you should possess a minimum of 10 years of experience in designing diffraction limited multi-element lens systems and hold at least a bachelor’s degree in Optical Engineering or a related discipline. Additionally, expertise in Zemax Optical Modeling Software and familiarity with 3D modeling software like SolidWorks are highly desirable.

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What skills are essential for a Design Engineer III at Thorlabs?

Essential skills for a Design Engineer III at Thorlabs include advanced knowledge of lens fabrication, alignment, and assembly techniques, experience in interferometric testing of diffraction limited systems, and strong verbal and written communication skills. You should also demonstrate the ability to collaborate with mechanical engineers and possess a strong sense of ownership and work ethic.

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Does the Design Engineer III position at Thorlabs require mentoring experience?

Yes, the Design Engineer III position at Thorlabs encourages mentoring, as you will be expected to guide and coach less experienced engineers and draftsmen. Your role is pivotal in ensuring that they develop the skills and knowledge necessary to manage their projects independently and effectively.

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Is the Design Engineer III role at Thorlabs remote or does it require travel?

While the Design Engineer III position at Thorlabs is primarily based in Newton, NJ, it may sometimes require travel to other Thorlabs locations for collaboration and project-related duties.

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Common Interview Questions for Design Engineer III, Optical Design
Can you describe your experience with optical design and how it relates to the Design Engineer III role?

When answering this question, highlight your previous positions focused on optical design, emphasizing specific projects where you developed high-end lens systems. Discuss the tools and methodologies you used, such as Zemax software, and how these experiences will enrich your contributions to Thorlabs.

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What techniques have you employed in characterizing diffraction limited lens systems?

In your response, provide specific examples of techniques you've used, like interferometric testing, detailing how you applied these techniques to evaluate lens performance. This showcases your technical expertise and problem-solving abilities crucial for the Design Engineer III role.

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How do you approach collaboration with mechanical engineers in optical design projects?

Discuss your collaborative strategies, such as open communication and establishing mutual goals. Mention past experiences where you successfully worked with mechanical engineers to resolve conflicts or optimize designs to meet mechanical tolerances, demonstrating your team spirit.

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What trends in optical design do you think will shape the future of high-resolution imaging?

Identify current trends you follow, such as advancements in materials or innovative design methodologies. Articulate how you think these trends might influence product development at Thorlabs, showing your forward-thinking approach to optical design.

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Describe a challenging optical design problem you've faced and how you solved it?

Provide a specific anecdote where you confronted a significant challenge in optical design, detailing your thought process, the steps you took to troubleshoot the issue, and the final outcome. This illustrates your analytical skills and perseverance.

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How do you prioritize and manage multiple projects simultaneously?

Explain your project management approach, perhaps discussing tools or methods you use for tracking progress and deadlines. Provide examples illustrating your ability to shift priorities without compromising quality, demonstrating your organizational skills and adaptability.

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In what ways have you mentored less experienced engineers in your previous roles?

Share instances where you took on a mentorship role, detailing how you guided newer engineers through complex tasks. Emphasizing your commitment to team development can underscore your leadership qualities that Thorlabs values.

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What safety regulations are important in optical design and engineering?

Discuss key safety regulations pertinent to optical design, such as those concerning lab safety and equipment handling. This displays your awareness of the importance of maintaining a safe work environment at Thorlabs.

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How do you stay updated with advancements in optical engineering technology?

Mention resources like professional journals, conferences, networks, and online courses you engage with to stay informed about the optical engineering field. This reflects your commitment to continuous learning and professional development.

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Can you give an example of how you've created technical documentation for optical designs?

Provide examples of types of documentation you’ve created, such as specifications or technical manuals. Detail your process of ensuring accuracy and clarity in documentation, underlining the significance of this skill for the Design Engineer III role at Thorlabs.

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Thorlabs, founded in 1989 and headquartered in Newton, New Jersey, designs, develops, and manufactures photonics and optoelectronics products and systems. The Company offers imaging systems, electrophysiology, scientific cameras, optical tables a...

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Full-time, on-site
DATE POSTED
March 26, 2025

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