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Mechanical Inspector, 2nd Shift 

EOE Statement Thorlabs values its diverse environment and is proud to be an equal opportunity employer. All qualified applicants 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.  
About the Organization THORLABS is a broad based photonics technologies company offering an extensive array of products ranging from optical and mechanical components to integrated test and measurement systems. Thorlabs' catalog products are produced in manufacturing centers in the USA, Germany, Sweden, United Kingdom and Japan. Our company has a long-standing customer base with significant growth potential and an excellent reputation for quality, customer service and dependability. It is our mission to supply the photonics market with the tools to ensure the ultimate success of our customers.

THORLABS designs and manufactures over 15,000 scientific products and instruments for the optics and laser research industry. As we continue to grow, we are seeking talented individuals to join our team that have a strong desire to succeed. Ideal candidates will be highly motivated with a strong entrepreneurial spirit. THORLABS Headquarters are located in Sussex County, New Jersey, USA, THORLABS also has facilities in Maryland, Virginia, Texas and Michigan, and is established in 8 other countries. THORLABS is a privately held company established in 1989 which now employs over 1400 people.
Category Mechanics  
Location Corporate Headquarters - Newton  
Full-Time/Part-Time Full-Time  

The position effectively assures vendor & manufacturing compliance to Thorlabs ISO9001 quality standards protecting customers. Inspectors perform visual and dimensional inspection of precision parts and make quick, accurate pass/fail decisions. The majority of this person’s time should be spent inspecting Thorlabs components coming off the CNC machines and manually equipment to guarantee the accuracy of the CNC machine set up and to ensure that the internal machine shop is producing quality components. 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. Working hours are from 4pm - 2:30am.

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

  • Inspect, test, or measure materials, products, installations, or work for conformance to specifications.
  • First article inspection of all internal changes and new products.
  • Measure dimensions of products to verify conformance to specifications, using measuring instruments such as rulers, calipers, gauges, or micrometers.
  • Read blueprints, data, manuals, or other materials to determine specifications, inspection and testing procedures, adjustment methods, certification processes, formulas, or measuring instruments required.
  • Document control of processes that have been validated.
  • Record inspection or test data, such as weights, temperatures, grades, or moisture content, and quantities inspected or graded.
  • Mark items with details such as grade or acceptance-rejection status.
  • Reconcile final inspection documentation for shipments.
  • Handle issues pertaining to outside processes performed by vendors for the shop.
  • Assist with product flow through the department.



  • Minimum 2 years of experience in quality control function in manufacturing environment preferred
  • Mechanical manufacturing inspection experience preferred.


  • High School Diploma or equivalent or equivalent work experience

Specialized Knowledge and Skills:

  • Ability to learn, understand, and effectively apply sampling plans.
  • Good verbal and written communication skills to operate in both individual and team environments.
  • Capable of reading mechanical drawings and interpret dimensional tolerances. Knowledge of mechanical measurement and machining as well as an understanding of ISO9001 as it applies to inspection and non-conformance.
  • Must understand, use and be able to explain sample plans (AQL…)
  • Adaptable to process and procedure changes.
  • Capacity to convert from imperial to metric measurements.
  • Ability to meet department standards for productivity and quality.
  • Computer literacy using MS Office, Outlook and ERP software is mandatory.
  • Must know how to use common mechanical test equipment including calipers, micrometers, gauges, pins and vision systems for mechanical measurement.
  • High attention to detail.
  • Keep abreast of topics in their field as well as be excited about continual training and growth in their area

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.


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