Manufacturing Test Automation Engineer (Software Engineering or Electrical Engineering)

Our Opening and Your Responsibilities

METTLER TOLEDO is the worldwide leading manufacturer of real-time process control instrumentation and services.   METTLER TOLEDO Thornton, located in Billerica, MA, is a leading supplier for on-line liquid process measurement solutions for pure and ultrapure water applications.  

We are looking for a detailed, project-driven software engineer to design and create new test/calibration software for analytical measurement systems, sensors and services. 

Coding in C# and LabView, you will create automated test scripts for product verification. Additionally, you will maintain and improve robustness for existing test/calibration programs and related software tools/fixtures. With experience in software engineering and electronics you will develop test programs and software tools used in the manufacturing environment.

This role is part of an interdisciplinary team working on product development and manufacturing improvements to create efficient methods to verify product performance and measurement accuracy, while working within production to maintain good DFM and DFT practices.

  • Write scripts and software for automating tests, programming, updates, unit tracking, and calibration. Create new test SW modules based on calibration and test methodologies defined by development team.
  • Design and develop test programs and software tools that integrate with electromechanical test fixtures and systems.
  • Work within the manufacturing engineering team to design and build test stations, improve existing test systems for efficiency and reliability, and manage data visualization/reporting.
  • Participate and contribute as part of a cross-functional manufacturing and product development teams for bringing a product from concept into production.
  • Maintain and optimize existing test programs to reduce test times, increase reliability and reporting metrics.
  • Participate in manufacturing team to deploy repeatable tests, and to help debug hardware and software issues on the production floor. 
  • Write excellent code documentation and keeping our codebase and hardware design repositories organized and manageable
  • Delivers effective and efficient testing solutions by meeting key project milestones and overall project deliverable on time, and adhering to development and quality standards. 
  • Understands and implements measurement systems with traceability to NIST and other national standards to assure that analytical product specifications are met.
  • Write and maintain test procedures for new and existing products/processes.  Write and update test procedures for existing operations as needed.

What You Need to Succeed

  • Bachelor Degree in Engineering, Computer Science or Operations
  • Software/Electrical Engineer background with minimum of 2-5 year of work relevant experience.
  • Programming experience with NI LabVIEW and TestStand required.
  • Proficiency with scripting languages such as C++, C#, Python etc. preferred.
  • Demonstrated ability to quickly pick-up other test frameworks and development languages.
  • Proficient in the use of standard Microsoft Office tools, MS Access and SQL databases.
  • Knowledge of embedded programming and microcontrollers.

Our Offer to You

  • Medical, dental and vision care coverage and a 401(k) savings plan with company matching – all starting on date of hire 
  • Tuition reimbursement, employee wellness programs, plus other perks and discounts 
  • Parental and caregiver leave policies
  • All the usual benefits such as paid time off, flexible spending, short-and long-term disability, basic life insurance, business travel insurance, Employee Assistance Program, and domestic partner benefits 
  • Global market strength and worldwide leadership in weighing
  • A brand name that is identified worldwide with precision, quality, and innovation 
  • Thousands of patents, design and innovation awards A commitment to extraordinary service on our state-of-the-art equipment

About Mettler Toledo

Working at Mettler Toledo means you are impacting the world in important ways. Our precision measuring devices span the world's laboratories, production facilities, and retail stores. We manufacture, sell, and service instruments that detect, measure, and weigh - from the infinitely small to the largest of vehicles or airplanes. 
  • We help feed the world. We impact how food is produced, packaged and made safe.
  • We help keep you healthy. Our instruments make it possible for scientists to develop new drugs and bring life-saving medicines to the world.
  • Mettler Toledo products are important to the production and consistent quality of every kind of consumer product.
No matter how far human kind goes to explore new frontiers, Mettler Toledo is there to help make it happen.

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. If you’d like more information about your EEO rights as an applicant under the law, please click here

Mettler Toledo endeavors to make 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

For those who prioritize precision, Mettler Toledo is precisely where you belong.

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Mettler-Toledo Thornton Inc. [Massachusetts]

900 Middlesex Turnpike Billerica, MA 01821 United States

+1 (781) 301-8600