Mechanical Engineer II

Thorlabs· US - MBU/Mechanical Business Unit
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📍 Newton, New Jersey, United StatesFull time💰 USD 76K–110K

About this role

At Thorlabs, we design and manufacture components, instruments, and systems that transform the world by identifying, enabling, and accelerating key photonics (i.e., light-based) technologies. Backed by a dedicated workforce of more than 3,000 employees worldwide, Thorlabs contributes to cutting-edge research and real-world innovation.

Whether you're early in your career or bringing years of experience, you’ll find opportunities to grow, take ownership, and make meaningful contributions from day one. We know every employee brings unique talents and perspectives that fuel our success, and we seek driven individuals who are excited to make an impact in a fun, fast-moving culture.

This position requires comprehensive knowledge of Mechanical components and systems. The Engineer II is responsible for researching, planning, and designing mechanical products and systems. This position directs and coordinates activities involved in fabrication, operation, application, and repair of mechanical products and systems. 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:

  • Designs Opto-Mechanical products to be used in instruments, controls, machines, and mechanical systems.
  • Analyzes and researches design requirements and specifications to determine feasibility of design or application.
  • Plans/directs engineering personnel in method of fabrication for designs based on expected manufacturing quantity usage.
  • Directs and coordinates fabrication and installation activities to ensure products and systems conform to engineering design and customer specifications.
  • Responsible for data entry, document revision and control in the Thorlabs ERP system.
  • Design of complicated projects
  • R&D of new engineering efforts to expand business
  • Influences/plans product test procedures to ensure each design meets its target specifications.
  • Mentoring of Peers, Technicians, or New Hires
  • Design custom products (specials) and work with planning, manufacturing, and assembly to ensure the customer’s requirements are met

In addition to the essential functions and duties listed above, all positions are also responsible for:

  • Meeting company standards pertaining to quantity and quality of work performed on an ongoing basis, performing all work-related tasks in a manner that is in compliance with all Company policies and procedures.
  • Adhering to Company policies, procedures, and directives regarding standards of workplace behavior in completing job duties and assignments.

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

Physical Activities:

Work may be active, could stand or sit for long durations and/or perform repetitious work at times. The employee may lift or move objects up to 20 pounds. Employees must grasp, manipulate, or assemble parts and components that are often very small. The noise level in the work environment is usually moderate, however, may be noisy at times. Must be able to wear appropriate clothing and personal protective equipment such as but not limited to masks, glasses, gloves, and specialty garments. The required PPE and training allow for the safe handling and processing of chemicals like adhesives, lubricants and solvents, and safe operation of job-related equipment and tools.

Experience:

  • Minimum 4 years of experience in mechanical engineering design
  • Designed Products that Achieved Commercial Success

Education:

  • Bachelor’s degree in mechanical engineering or related field

Specialized Knowledge and Skills:

  • Excellent statistical data analysis and problem-solving abilities.
  • Working knowledge on SolidWorks or similar 3D modeling software.
  • Strong innovation skill.
  • Effectively reports progress and problems through written or oral reports.
  • Demonstrated ability to work in a team environment
  • Flexibility/adaptability in a fast-paced & dynamic environment.
  • Strong knowledge of optomechanical design and implementation practices
  • Strong proficiency in MS office and communication tools is a plus

Pay range for this position is $76,000 - $110,000 depending on experience

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 identify 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.

 

 

Frequently Asked Questions

What is the salary for the Mechanical Engineer II role at Thorlabs?
The listed salary for this Mechanical Engineer II position at Thorlabs is USD 76K–110K. This is an Full time role.
Where is the Mechanical Engineer II position at Thorlabs located?
This Mechanical Engineer II role at Thorlabs is based in Newton, New Jersey, United States. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Mechanical Engineer II role at Thorlabs full-time or part-time?
This is listed as a Full time position. It is posted as a Mechanical Engineer II role in the US - MBU/Mechanical Business Unit department at Thorlabs.
Which team or department does the Mechanical Engineer II at Thorlabs belong to?
This Mechanical Engineer II position is part of the US - MBU/Mechanical Business Unit department at Thorlabs. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Mechanical Engineer II position at Thorlabs?
Click the "Apply Now" button on this page. You will be redirected to Thorlabs's official application portal hosted on workable where you can submit your application directly.
When was the Mechanical Engineer II job at Thorlabs posted?
This Mechanical Engineer II position at Thorlabs was posted on Jul 31, 2026. Apply as soon as possible — early applications are often reviewed first.
Mechanical Engineer II
Thorlabs · 💰 USD 76K–110K
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You'll be redirected to Thorlabs's official application page on workable.