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Careers at
4D Technology

4D Technology is a leading optics employer in Tucson Arizona. Our unique dynamic metrology products measure surface quality and surface defects on precision surfaces, as well as the surface and wavefront quality of optics.

As a vertically integrated company, we employ a multidisciplinary staff, including assembly and manufacturing technicians, plus optical, mechanical, electrical and software engineers, as well as staff for product support, administration, sales and marketing. 

As a 4D employee, you’ll enjoy a benefits package befitting a publicly traded company, wrapped in a close-knit and friendly Tucson office.

4D Technology has been an Onto Innovation subsidiary since November, 2019.

Job Openings

Marketing Assistant 

Develops, enhances or revises marketing collateral for web, print or other media channels. Participates in media placement. Processes leads, and reviews marketing data, for trends and reporting. Prepares exhibit properties for industry events. May function as editor for formal business communications. May design and implement measurements to analyze messaging program effectiveness and quantify revenue generated from executed programs. This is a full-time contractor position. On the job training for marketing communications skills is provided.


Some college in business, marketing, or communications. Strong writing or design skills. Workaday experience with Microsoft Office products, particularly Outlook, Excel, Word, and Powerpoint.

Apply by email to

Posted: 11 April 2022

Electrical Engineering Intern

This intern position provides strategic and tactical support to mid-level employees. The student will contribute to routine engineering work requiring the application of standard techniques, procedures, and criteria in carrying out a variety of electrical engineering tasks. The student will work on discipline-focused projects and tasks to enhance their collegiate learning experience, while providing meaningful contributions to the 4D Technology Electrical Engineering Team.


  • Contribute to the preparation and execution of key electrical engineering tasks at 4D
  • Provide technical support to engineers, as needed
  • Work experience will include, preparation of cable drawings, embedded C programming and engineering support for production.
  • Provide input on project processes, strategies, and execution.


Basic Requirements

  • Enrolled in an Electrical Engineering Bachelor’s or Master’s Degree program, at an accredited university
  • Completion of Circuits I and II
  • GPA of 3.5, or higher 
  • Knowledge of embedded C programming, XML, JSON, JSON-RPC and javascript. Preferred Requirements
  • Currently a 3rd year student or higher
  • Knowledge of ARM microprocessor processor architecture and HTML5.

Does this interest you? Review the full listing is at Onto Innovation’s careers site to apply.

Posted: 24 June 2021

Don’t see anything for your skill set and aspirations?

That’s okay. Let us know you’re interested, because we’re growing fast and we love to find and work with good talent. Who knows, something might crop up? Please send your résumé to:

Director, Human Resources
4D Technology Corporation
3280 E. Hemisphere Loop, Suite 146
Tucson, AZ 85706
FAX: 520-294-5601

Get In Touch

(520) 294-5600


3280 E Hemisphere Loop, Ste 146
Tucson, AZ 85706


Office Hours (Arizona Time)

Mon: 8am - 5pm
Tue: 8am - 5pm
Wed: 8am - 5pm
Thur: 8am - 5pm
Fri: 8am - 5pm
Sat: Closed
Sun: Closed

Send a Message

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