Chemist (R&D)

Our Opening and Your Responsibilities

METTLER TOLEDO Process Analytics (MTPRO) is a leading supplier to end-users and system integrators for liquid analytical measurement solutions to control production processes. METTLER TOLEDO Thornton, a Strategic Business Unit within MTPRO, is the leader in pure and ultrapure industrial water monitoring instrumentation used in semiconductor, microelectronics, power generation, pharmaceutical, and biotech applications. Our core competence is the in-line measurement of conductivity, resistivity, TOC, dissolved oxygen, dissolved ozone and related parameters in determining and controlling water purity.

The Mettler Toledo - Thornton R&D team develops and supports analytical measuring instrumentation that delivers robust, online, real-time, and continuous performance for process control and/or absolute measurements for pure and ultrapure water applications in the semiconductor, power, and pharmaceutical industries.

The Senior Chemist plays a critical hands-on role on the R&D team by leading and performing chemical analyzer technology research, new product development, and some sustaining engineering activities. Responsibilities include the researching, developing, vetting, and implementation of new technologies, experimental design, technology and new product qualification testing against product market requirements, quality testing, design for manufacturability and service, technical project management and leadership, and organization/upkeep of the chemistry laboratory and equipment.  

A successful candidate for this role works well in a small group with a dynamic, cross-functional, team environment that spans electrical, optical, software, mechanical, and chemical engineering backgrounds.  If you are motivated by technical challenges that cross-disciplinary boundaries, and value product quality and customer value, this role could be the perfect fit! Position is located in Billerica, MA.

Contributes as part of a cross-functional product development team to develop new products, features, services, and processes.
Works with scientists and engineers, and conducts basic-to-advanced research related to new technologies, product applications, or new products.
Investigates opportunities for product/process improvements, and finds/implements solutions.
Prepares chemical compounds/solutions for testing, development, and research.
Provides applications support to Marketing.
Tests/debugs prototypes of new designs, verifying that specifications are met.
Performs and documents quality tests on chemical products.
Writes alpha/gamma qualification test plans and reports.
Maintains R&D chemistry laboratory, including chemical equipment and supplies 
Writes assembly procedures and QC test procedures for new designs.  Writes and updates operating procedures for existing operations as needed.
Evaluates competitor products and technologies.
Builds and tests prototype chemical products.
Participates in intra-company teams such as Audit, Safety, Recreation, etc…

What You Need to Succeed

Ph.D. or M.S. plus 5 years of relevant experience, or B.S./B.A. plus 10 years of relevant experience in Analytical Chemistry, Physical Chemistry, Electrochemistry, or Chemical Instrumentation is required.  Alternative disciplines considered.
Experience in chemical/electrochemical sensor research and product development is required.
Experience with (Capillary) Electrophoresis system development desired.  Microchip CE design highly valuable.  
Experience with trace chemical, particle, or microbial detection technologies is desirable.
Experience in analytical validation methods, chemical separation technologies, optical or spectroscopic detection methods, chemometrics, advanced data analysis, process control, and/or water purification chemistry is desirable.
Leadership/organizational/project management skills are desirable.
Proficient in the use of standard Microsoft Office tools.

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.









Mettler-Toledo Thornton Inc. [Massachusetts]

900 Middlesex Turnpike Billerica, MA 01821 United States

+1 (781) 301-8600