R&D Chemistry Intern - AI Liquid Cooling Lab

About PFX™

We engineer leading fluid solutions that keep the world moving and we’re building a better future while we do it. As a vertically integrated global powerhouse, we operate 17 manufacturing facilities and 4 R&D centers across the world, delivering performance from lab to road in over 40 countries.

PFX Group™ brings together a family of trusted companies including Recochem, Prestone, Adam’s Polishes, B&B Blending, Kost USA, Ultra Clear, POR and Auto-Chem, each with deep expertise, regional insight, and a shared commitment to engineering excellence.

From automotive and heavy-duty thermal management systems to household and industrial solutions, our products are built for performance, reliability, and a commitment to sustainability. Join us and be part of a team that’s redefining what’s possible in fluid technology.

Position Overview:

The AI Liquid Cooling Lab Intern will support the high visibility, high growth, data center liquid cooling business at PFX. Working alongside senior lab personnel, the role will develop technical solutions to enable effective thermal management of IT hardware used by hyperscale AI Factories leveraging an established background in organic chemistry, analytical chemistry, physical chemistry, or related discipline. In this role, the accepted candidate will be responsible for preparing coolant formulations, conducting fluid bench tests, maintaining comprehensive documentation, managing production samples, and investigating production quality improvements. This role will be expected to work cross-functionally with analytical, quality, and engineering departments.

We are currently seeking an applicant interested in an internship position at the Prestone Technology Center supporting PFX’s existing data center heat transfer fluid products and developing innovative technologies for cooling the next generation of AI hardware. This role will provide the accepted candidate the opportunity to support research activities, production, product stewardship, and technical growth. A person who is pursuing a chemistry undergraduate degree is preferred. Experience in a wet-chemistry lab is required Job assignments are varied; thus, flexibility is essential.

This is a fully on-site position based at our Danbury, CT location that will be offered during the Summer 2026, lasting for approximately 10-12 weeks. Work schedule is Monday-Friday, 40 hours/week. No housing or relocation assistance provided.

As part of the Research and Development team an intern must be able to work on multiple R&D or Development test items simultaneously. Duties include but are not limited to preparing blends of heat transfer fluids/coolants, setting up, maintaining, and tearing down various bench tests, logging and managing the testing of samples received from production or customer sites. An interest in automobile technology is highly desirable.

Minimum Requirements:

• Minimum education required is a High School degree and enrollment in undergraduate program.
• Minimum of 2 semesters equivalent of hands-on experience in a university, government, or commercial wet chemistry laboratory (organic, analytical, etc.).
• Must be able to follow instructions, work independently and safely in a laboratory environment and work on several projects at the same time.
• Ability to work well with peers across multiple disciplines is required.

Principal Duties and Responsibilities:

Job assignments are varied, and flexibility is essential. Basic requirements include

• Conducts activities following established Corporate and Site Safety procedures and notifies the Supervisor of any unsafe conditions or practices in the area.
• Prepares blends from provided formulations and blend instructions
• Set up, monitoring, and tear down of laboratory bench testing
• Manages incoming samples from production/customers (log, transfer, schedule testing, report results)
• Records and tabulates data in laboratory notebook in legal form following defined procedures.
• Observes irregularities, unusual behavior, or trends in tests, and communicates observations to Supervising Managers.
• Communicates the results of work to Supervisors following prescribed procedures.

Key Responsibilities

• Plan, schedule and carry out to completion, laboratory experiments assigned by supervisor with supervision of a senior lab member. Communicates results, conclusions and recommendations in person and in formal written reports.
• Must be able to safely follow detailed procedures, making observations, recording test data into spreadsheets and laboratory notebooks, and summarizing data into presentable form.
• Ensure that experiments are completed on time, and data is well organized and reported
• Possess good oral communication skills and a flexible approach to work. Conducts self in a professional manner and exerts a positive impact upon the morale and attitude of other team members.