Commercial Sales Engineer Internships
Commercial sales engineer internships give university students, recent graduates, and early-career switchers hands-on project experience, mentorship from working engineers, and, at many employers, a path toward a full-time offer. Openings are concentrated in {{top_industries_phrase}}, with Palantir Technologies, GAF, and Tesla among the employers posting roles now.
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Showing 5 of 6+ Commercial Sales Engineer Internships
At GAF, we cover more than just buildings. We cover each other. Under this roof, you will have the tools and resources you need to begin, grow, and develop in your career. Under this roof, you will experience our incredible culture and be empowered to support your teammates, your customers and especially your community through collaboration. Under this roof, we define the future while leading the present through our commitment to continuous improvement and never being satisfied with the status quo. We are GAF. And under this roof, we protect what matters most.
Job Title: R&D Commercial Product Development Engineer Intern
Introduction:
At GAF, we cover more than buildings. We cover each other. No matter what role, tenure, or track, under this roof you are empowered to be there for your teammates, your customers, and especially your community. Under this roof, we don’t back down from hard work– we support one another in pursuit of something bigger. We define the future while leading the present. And under this roof, we own our opportunities. Becoming the market leader only happens when everyone feels they have the opportunity, and the support, to thrive. We are GAF. And under this roof, we protect what matters most.
Summary:
We are seeking a highly motivated and technically minded candidate for a 3-month internship within our R&D Digital Transformation group. This role bridges experimental formulation chemistry with modern data science, self-service machine learning, and laboratory automation platforms. Working directly alongside formulation scientists and R&D leaders, the intern will aggregate and refine historical trial data, build predictive machine learning models, design adaptive Design of Experiments (DOE) campaigns, and establish structured workflows within our Laboratory Information Management System (LIMS) and Electronic Lab Notebooks (ELN).
Essential Duties:
- Extract, clean, and standardize complex historical formulation datasets from legacy spreadsheets, LIMS, and experimental records.
- Perform automated statistical analyses to uncover critical ingredient-property relationships.
- Develop analytical summaries and interactive dashboards to present insights to R&D stakeholders.
- Train, evaluate, and fine-tune supervised machine learning models to accurately predict physical, mechanical, and rheological material properties.
- Apply inverse prediction algorithms, optimization techniques, and grid searches to identify candidate formulation recipes.
- Design multi-run DOE test protocols that effectively balance data exploration with practical laboratory validation.
- Assist in configuring LIMS templates and structured ELN procedures to streamline benchtop data capture.
- Standardize end-to-end work orders connecting raw material formulations, processing steps, and characterization results into a seamless data pipeline.
- Support digital knowledge management initiatives by organizing, tagging, and integrating technical literature, reports, and standard operating procedures into central repositories.
Under This Roof, We Require
- Education: Currently pursuing a Bachelor's degree in Chemistry, Chemical Engineering, Materials Science, or a related scientific/engineering discipline.
- Programming & Software: Proficiency with Python, statistical DOE tools, Google Workspace, and exposure to generative AI platforms.
- Domain Knowledge: Solid foundational knowledge of general chemistry, material science, polymer chemistry, formulation principles, and analytical characterization.
- Communication & Collaboration: Strong interpersonal and communication skills with the ability to translate complex data science concepts into clear insights for experimental scientists and leadership.
Under This Roof, We Also Value
- Hands-on experience with LIMS or Electronic Lab Notebook (ELN) platforms.Familiarity with applied machine learning in chemistry or materials science (e.g., ensemble modeling, multi-objective optimization, transfer learning).
- Practical experience constructing agentic workflows or automated solution pipelines.Prior wet lab or industrial chemistry laboratory experience.
How We Protect What Matters Most
- Professional growth and development are very important to us! We offer internal training programs and courses, in addition to our on the job experiences.
- We put diversity and inclusion into action with our Employee Resource Groups, which unite employees based on common perspectives, identities, demographic factors, or out of a desire to be an ally.
GAF complies with federal, state, and local disability laws and makes reasonable accommodations for applicants and employees with disabilities. If a reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact HR Services at 833-HR-XPERT.
Pay Transparency
Base salary and/or rate of pay ranges listed are exclusive of fringe benefits and potential bonuses. Individual compensation offers will be determined based on a variety of factors, including but not limited to geographic location, relevant candidate experience and skill, education, and/or qualifications. Base Hourly Rate: $20.00
GAF complies with federal, state, and local disability laws and makes reasonable accommodations for applicants and employees with disabilities. If a reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact HR Services at 833-HR-XPERT.
At GAF, we cover more than just buildings. We cover each other. Under this roof, you will have the tools and resources you need to begin, grow, and develop in your career. Under this roof, you will experience our incredible culture and be empowered to support your teammates, your customers and especially your community through collaboration. Under this roof, we define the future while leading the present through our commitment to continuous improvement and never being satisfied with the status quo. We are GAF. And under this roof, we protect what matters most.
Job Title: R&D Commercial Product Development Engineer Intern
Introduction:
At GAF, we cover more than buildings. We cover each other. No matter what role, tenure, or track, under this roof you are empowered to be there for your teammates, your customers, and especially your community. Under this roof, we don’t back down from hard work– we support one another in pursuit of something bigger. We define the future while leading the present. And under this roof, we own our opportunities. Becoming the market leader only happens when everyone feels they have the opportunity, and the support, to thrive. We are GAF. And under this roof, we protect what matters most.
Summary:
We are seeking a highly motivated and technically minded candidate for a 3-month internship within our R&D Digital Transformation group. This role bridges experimental formulation chemistry with modern data science, self-service machine learning, and laboratory automation platforms. Working directly alongside formulation scientists and R&D leaders, the intern will aggregate and refine historical trial data, build predictive machine learning models, design adaptive Design of Experiments (DOE) campaigns, and establish structured workflows within our Laboratory Information Management System (LIMS) and Electronic Lab Notebooks (ELN).
Essential Duties:
- Extract, clean, and standardize complex historical formulation datasets from legacy spreadsheets, LIMS, and experimental records.
- Perform automated statistical analyses to uncover critical ingredient-property relationships.
- Develop analytical summaries and interactive dashboards to present insights to R&D stakeholders.
- Train, evaluate, and fine-tune supervised machine learning models to accurately predict physical, mechanical, and rheological material properties.
- Apply inverse prediction algorithms, optimization techniques, and grid searches to identify candidate formulation recipes.
- Design multi-run DOE test protocols that effectively balance data exploration with practical laboratory validation.
- Assist in configuring LIMS templates and structured ELN procedures to streamline benchtop data capture.
- Standardize end-to-end work orders connecting raw material formulations, processing steps, and characterization results into a seamless data pipeline.
- Support digital knowledge management initiatives by organizing, tagging, and integrating technical literature, reports, and standard operating procedures into central repositories.
Under This Roof, We Require
- Education: Currently pursuing a Bachelor's degree in Chemistry, Chemical Engineering, Materials Science, or a related scientific/engineering discipline.
- Programming & Software: Proficiency with Python, statistical DOE tools, Google Workspace, and exposure to generative AI platforms.
- Domain Knowledge: Solid foundational knowledge of general chemistry, material science, polymer chemistry, formulation principles, and analytical characterization.
- Communication & Collaboration: Strong interpersonal and communication skills with the ability to translate complex data science concepts into clear insights for experimental scientists and leadership.
Under This Roof, We Also Value
- Hands-on experience with LIMS or Electronic Lab Notebook (ELN) platforms.Familiarity with applied machine learning in chemistry or materials science (e.g., ensemble modeling, multi-objective optimization, transfer learning).
- Practical experience constructing agentic workflows or automated solution pipelines.Prior wet lab or industrial chemistry laboratory experience.
How We Protect What Matters Most
- Professional growth and development are very important to us! We offer internal training programs and courses, in addition to our on the job experiences.
- We put diversity and inclusion into action with our Employee Resource Groups, which unite employees based on common perspectives, identities, demographic factors, or out of a desire to be an ally.
GAF complies with federal, state, and local disability laws and makes reasonable accommodations for applicants and employees with disabilities. If a reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact HR Services at 833-HR-XPERT.
Pay Transparency
Base salary and/or rate of pay ranges listed are exclusive of fringe benefits and potential bonuses. Individual compensation offers will be determined based on a variety of factors, including but not limited to geographic location, relevant candidate experience and skill, education, and/or qualifications. Base Hourly Rate: $20.00
GAF complies with federal, state, and local disability laws and makes reasonable accommodations for applicants and employees with disabilities. If a reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact HR Services at 833-HR-XPERT.
Commercial Sales Engineer Internship Market
Who's Hiring
Tips for Your Commercial Sales Engineer Internship Search
Apply earlier than you think necessary
Large employers close their summer commercial sales engineer internship cohorts as early as October or November the year before. Smaller companies and co-op programs post closer to start dates, so openings appear across the full year. Start searching in the fall and check back regularly rather than waiting for a single season.
Build a portfolio before you send the first application
Hiring teams for commercial sales engineer interns expect limited work history and assess candidates on documented projects instead. Put together two or three complete examples, a technical product demonstration, a customer-facing case study, or a CAD or design portfolio, that show both engineering judgment and the ability to explain value to a non-technical audience.
Work your campus network alongside direct applications
Campus career fairs surface structured internship programs tied to your university, and recruiters there often move faster for students they meet in person. Professors and career center staff frequently know which employers recruit from your school before roles post publicly. Applying directly to companies running smaller cohorts at the same time widens the pool you reach.
Practice the technical screen out loud before applying
Commercial sales engineer intern interviews typically include a technical component, expect product or solution demonstrations, technical problem-solving scenarios, or case conversations where you explain engineering trade-offs to a customer. Practice your answers aloud, walking through your reasoning step by step, because interviewers weigh how you think as much as the final answer.
Target structured internship programs at larger companies
Many large employers run rotational or cohort-based commercial sales engineer programs built to train candidates new to the field. These programs offer structured mentorship and exposure to multiple product lines or territories. They recruit early and fill their first wave fast, so identify the ones that fit your background and get applications in before the initial deadline.
Set your work-type filter before you start searching
On-site roles are 100% of the commercial sales engineer internships listed here. Decide what arrangement you can realistically commit to before you start sorting through listings. Filtering by location and work type upfront keeps your search focused and means you're not spending time on roles you can't accept.
Commercial Sales Engineer Internships: Frequently Asked Questions
How do I get a commercial sales engineer internship?
Lead with coursework, personal projects, and a portfolio rather than work history, hiring teams expect limited experience at the intern level. For commercial sales engineer candidates, the concrete artifact is a documented technical project or product demonstration that shows you can bridge engineering and customer-facing problem-solving. Pair direct applications with campus career fairs, where recruiters often move faster for students they meet in person.
Can a commercial sales engineer internship turn into a full-time job?
Many employers extend return offers to strong interns, but conversion is never guaranteed. What actually drives it for commercial sales engineer interns is consistent performance on real customer and technical work, the team's open headcount at the time of the offer, and how early you signal interest. Position yourself for one, but keep applying to other roles so you're not counting on it.
When should I apply for commercial sales engineer internships?
Earlier than most students expect. Large employers recruit summer interns the preceding fall, often closing cohorts before the new year. Smaller companies and co-op programs post closer to their start dates, so openings appear year-round. Checking listings regularly rather than waiting for a single recruiting season is the most reliable way to catch roles as they open.
Are commercial sales engineer internships paid?
Most professional commercial sales engineer internships in the U.S. are paid. Compensation varies by company size, industry, and location, and the specifics depend on what each employer discloses. Listings show compensation detail where the employer includes it, so you can compare opportunities directly as you search.
What should a commercial sales engineer internship resume include?
Lead with two or three complete, documented projects rather than work history, name the tools used and link to the work where possible. For commercial sales engineer candidates, the most useful proof is a technical demonstration, a customer-facing case study, or a CAD or product design portfolio that shows both engineering depth and communication skill. Add relevant coursework and keep the resume to one page.
Are there remote commercial sales engineer internships?
Yes. Remote and hybrid roles make up 0% of the commercial sales engineer internship listings here, with the rest on-site. Remote cohorts fill fast, so apply early and filter by work type to see them. Deciding what arrangement you can commit to before you start searching saves time and keeps your applications focused.
Can international students get commercial sales engineer internships?
Yes. F-1 students can intern through CPT while enrolled or through OPT work authorization after finishing a degree, and the employer does not have to file anything for either, so many companies are open to international interns. Confirm your eligibility and timing with your university's international student office before accepting an offer.
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