Commercial Intern (Marketing/Sales)

Commercial Internship Opportunities @ Glanbia

Join this dynamic team focused on delivering better nutrition for every step of life’s journey

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Accelerate your future as a Commercial Intern at Glanbia!

Our Pure Ambition Internship Program gives you the opportunity to apply what you are learning in the classroom to meaningful, hands-on work. You will gain exposure to business leaders, take ownership of a real-world project, build your professional network, and develop skills that can help launch your sales & marketing career. Glanbia is seeking Commercial Interns to join our 12-week summer internship program.

As a key contributor to the Marketing & Sales Teams, you will support the commercial organization, strengthen your analytical, presentation, storytelling, and influencing skills, and gain hands-on experience working across the business. You will own a meaningful summer project—from development through presentation to the broader organization—while contributing to day-to-day priorities in a fast-paced commercial environment.

What’s In It For You
A paid, 12-week summer internship with hands-on experience in sales and marketing
Ownership of a meaningful project that addresses a real business need and culminates in a presentation to leadership
Coaching, mentorship, and regular feedback from Glanbia leaders and marketing & sales professionals
Professional development workshops, networking opportunities, and social events with your intern cohort
Exposure to brand, product strategy, and other cross-functional teams
The opportunity to be considered for a full-time role after graduation, based on performance and business need
Compensation range of $22 - $25/hour
What You Will Do
Own a marketing- or sales-related project that addresses a relevant business challenge, shaping and developing the work before presenting your findings and recommendations to the broader organization
Support a variety of priorities within your function and contribute to the day-to-day work of the commercial organization
Analyze data and translate findings into clear insights, actions, and recommendations
Collaborate with brand, sales, innovation, finance, and other cross-functional teams to build a holistic understanding of Glanbia’s business and culture
Learn how brand and product strategies are developed and executed for specific consumers and customers in the sports nutrition and healthy lifestyle categories
Participate fully in Pure Ambition program activities, development workshops, networking opportunities, social events, and intern presentations
Minimum Qualifications:
Current undergraduate student pursuing a bachelor's degree in Business, Marketing, or related field with an anticipated graduation date of December 2027 or May/June 2028
Clear written communication and strong interpersonal skills
Self-starter and highly motivated individual with the ability to work independently.

Strong working knowledge of Microsoft Office products (Word, Excel, PowerPoint). Ability to add, subtract, multiply, and divide in all units of measure, using whole numbers, common fractions, and decimals. Ability to compute rate, ratio, and percent and to draw and interpret bar graphs. Where And How You Will Work
This hybrid opportunity will be based on site at our office in

Downers Grove, IL. About Glanbia
Glanbia is a global nutrition company with three divisions: Performance Nutrition, Health & Nutrition, and Dairy Nutrition. Together with our partners, we bring deep expertise in nutrition to customers around the world. We employ approximately 5,800 people, work with leading global food and beverage companies, and sell our brands and ingredients in more than 100 countries. At Glanbia, we celebrate diversity, because we know that our individual strengths make us stronger together.

We welcome and encourage interest from a variety of candidates, we will give your application consideration, without regard to race, color, religion, sex, sexual orientation, gender perception or identity, national origin, age, marital status, protected veteran status, or disability status. At Glanbia, our culture celebrates individuality, knowing that together we are more.