Skip to main content
Logo for Mettler Toledo

Our Commitment
Your Talent

Search Jobs

Electro-Optical Intern

Location Princeton, New Jersey, United States Date posted April 21, 2026 Job ID 21827 Pay Range $22 - $25 per hour
Apply Now Save Job
Our Opening and Your Responsibilities
Join our team as a motivated and detail-oriented college student intern to gain hands-on experience with a market leader in single-use sensors for biopharma process analytics. Key responsibilities:
  • Collaborate with fellow interns to develop a UV photometer prototype measuring protein concentration in biopharma fluids. 
  • Provide engineering support for existing UV photometer products. 
  • Work closely with R&D, quality assurance, and product marketing teams. 
  • Accurately document circuit designs, experiments, and test results. 
  • Participate in troubleshooting and continuous product improvement. 
  • Ensure compliance with safety and regulatory standards.
What You Need to Succeed
  • Enrolled in a Bachelor’s or Master’s program in Electrical Engineering or related field. 
  • Experience or coursework in opto-electronic design; spectroscopy or biopharma process analysis experience is a plus. 
  • Strong analytical, problem-solving, and data analysis skills. 
  • Excellent communication, teamwork, and organizational abilities.
Our Offer to You
  • A quality internship experience filled with impactful assignments and group projects, and ample networking, social, and volunteering opportunities with other interns and leaders across our company 
  • Comprehensive in-person orientation. 
  • A brand name that is identified worldwide with precision, quality, and innovation 
  • Competitive hourly wage for the summer 
  • Casual "dress for the day" policy
About Mettler Toledo
Who is PendoTECH? We are a Strategic Business Unit within Mettler-Toledo Process Analytics. Innovation is at the core of all pharmaceutical, biopharma and bioprocess applications. With extensive experience in the biopharmaceutical industry — and particular expertise in single-use bio-pharmaceutical equipment — PendoTECH delivers a line of pressure sensors, control systems and software for measuring, monitoring and data collection in bioprocess applications and other areas where the products provide a unique process solution. We offer a great compensation and benefits package, and a small company work environment. We are located in Princeton, New Jersey.
Equal Opportunity Employment
We are an equal opportunity employer and value diversity at our company. We give consideration for employment without regard to race, color, religion, sex, age, national origin, disability, sexual orientation, gender identity, genetic information, protected veteran status, or any other protected classification. Mettler-Toledo endeavors to make www.mt.com accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at EEO@mt.com.
Apply Now Save Job
Working at Mettler Toledo Video

Get to Know METTLER TOLEDO

Take a look at a “day in the life” of a METTLER TOLEDO employee. No matter where you work in this company, the team atmosphere comes through. METTLER TOLEDO may be precisely where you belong.

Explore this Location
A Fresh Approach to Lab Automation
Our Innovative Laboratory Solutions
To the Moon and Back - Weighing for NASA
The Sound of Climate Change

Let’s Connect

Join our Talent Community and receive personalized updates about our opportunities.

Sign Up

We are an equal opportunity employer and value diversity at our company. We give consideration for employment without regard to race, color, religion, sex, age, national origin, disability, sexual orientation, gender identity, genetic information, protected veteran status, or any other protected classification. Learn your EEO rights as an applicant under the law.

METTLER TOLEDO endeavors to make www.mt.com accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at Contact Us EEO@mt.com.